diff --git a/bundle.js b/bundle.js
index 064700e..73324e0 100644
--- a/bundle.js
+++ b/bundle.js
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Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this)}addScalar(e){return this.x+=e,this.y+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this)}subScalar(e){return this.x-=e,this.y-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this}multiply(e){return this.x*=e.x,this.y*=e.y,this}multiplyScalar(e){return this.x*=e,this.y*=e,this}divide(e){return this.x/=e.x,this.y/=e.y,this}divideScalar(e){return this.multiplyScalar(1/e)}applyMatrix3(e){const t=this.x,n=this.y,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6],this.y=i[1]*t+i[4]*n+i[7],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(e){return this.x*e.x+this.y*e.y}cross(e){return this.x*e.y-this.y*e.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y;return t*t+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){const n=Math.cos(t),i=Math.sin(t),r=this.x-e.x,a=this.y-e.y;return this.x=r*n-a*i+e.x,this.y=r*i+a*n+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}}E.prototype.isVector2=!0;class S{constructor(){this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,r,a,o,s,l){const c=this.elements;return c[0]=e,c[1]=i,c[2]=o,c[3]=t,c[4]=r,c[5]=s,c[6]=n,c[7]=a,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[3],s=n[6],l=n[1],c=n[4],u=n[7],h=n[2],d=n[5],p=n[8],f=i[0],m=i[3],g=i[6],v=i[1],y=i[4],x=i[7],_=i[2],b=i[5],w=i[8];return r[0]=a*f+o*v+s*_,r[3]=a*m+o*y+s*b,r[6]=a*g+o*x+s*w,r[1]=l*f+c*v+u*_,r[4]=l*m+c*y+u*b,r[7]=l*g+c*x+u*w,r[2]=h*f+d*v+p*_,r[5]=h*m+d*y+p*b,r[8]=h*g+d*x+p*w,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8];return t*a*c-t*o*l-n*r*c+n*o*s+i*r*l-i*a*s}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],u=c*a-o*l,h=o*s-c*r,d=l*r-a*s,p=t*u+n*h+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const f=1/p;return e[0]=u*f,e[1]=(i*l-c*n)*f,e[2]=(o*n-i*a)*f,e[3]=h*f,e[4]=(c*t-i*s)*f,e[5]=(i*r-o*t)*f,e[6]=d*f,e[7]=(n*s-l*t)*f,e[8]=(a*t-n*r)*f,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,i,r,a,o){const s=Math.cos(r),l=Math.sin(r);return this.set(n*s,n*l,-n*(s*a+l*o)+a+e,-i*l,i*s,-i*(-l*a+s*o)+o+t,0,0,1),this}scale(e,t){const n=this.elements;return n[0]*=e,n[3]*=e,n[6]*=e,n[1]*=t,n[4]*=t,n[7]*=t,this}rotate(e){const t=Math.cos(e),n=Math.sin(e),i=this.elements,r=i[0],a=i[3],o=i[6],s=i[1],l=i[4],c=i[7];return i[0]=t*r+n*s,i[3]=t*a+n*l,i[6]=t*o+n*c,i[1]=-n*r+t*s,i[4]=-n*a+t*l,i[7]=-n*o+t*c,this}translate(e,t){const n=this.elements;return n[0]+=e*n[2],n[3]+=e*n[5],n[6]+=e*n[8],n[1]+=t*n[2],n[4]+=t*n[5],n[7]+=t*n[8],this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<9;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return(new this.constructor).fromArray(this.elements)}}let T;S.prototype.isMatrix3=!0;let L=0;class A extends M{constructor(e=A.DEFAULT_IMAGE,t=A.DEFAULT_MAPPING,n=1001,i=1001,r=1006,a=1008,o=1023,s=1009,l=1,c=3e3){super(),Object.defineProperty(this,"id",{value:L++}),this.uuid=w.generateUUID(),this.name="",this.image=e,this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=l,this.format=o,this.internalFormat=null,this.type=s,this.offset=new E(0,0),this.repeat=new E(1,1),this.center=new E(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new S,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.version=0,this.onUpdate=null}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){const i=this.image;if(void 0===i.uuid&&(i.uuid=w.generateUUID()),!t&&void 0===e.images[i.uuid]){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(R(i[e].image)):t.push(R(i[e]))}else t=R(i);e.images[i.uuid]={uuid:i.uuid,url:t}}n.image=i.uuid}return t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(300!==this.mapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case i:e.x=e.x-Math.floor(e.x);break;case r:e.x=e.x<0?0:1;break;case a:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case i:e.y=e.y-Math.floor(e.y);break;case r:e.y=e.y<0?0:1;break;case a:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&this.version++}}function R(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?function(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===T&&(T=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),T.width=e.width,T.height=e.height;const n=T.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=T}return t.width>2048||t.height>2048?t.toDataURL("image/jpeg",.6):t.toDataURL("image/png")}(e):e.data?{data:Array.prototype.slice.call(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}A.DEFAULT_IMAGE=void 0,A.DEFAULT_MAPPING=300,A.prototype.isTexture=!0;class P extends A{constructor(e,t,n,i,r,a,s,l,c,u,h,d){super(null,a,s,l,c,u,i,r,h,d),this.image={data:e||null,width:t||1,height:n||1},this.magFilter=void 0!==c?c:o,this.minFilter=void 0!==u?u:o,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}}P.prototype.isDataTexture=!0;class C{constructor(e=0,t=0,n=0,i=1){this._x=e,this._y=t,this._z=n,this._w=i}static slerp(e,t,n,i){return n.copy(e).slerp(t,i)}static slerpFlat(e,t,n,i,r,a,o){let s=n[i+0],l=n[i+1],c=n[i+2],u=n[i+3];const h=r[a+0],d=r[a+1],p=r[a+2],f=r[a+3];if(0===o)return e[t+0]=s,e[t+1]=l,e[t+2]=c,void(e[t+3]=u);if(1===o)return e[t+0]=h,e[t+1]=d,e[t+2]=p,void(e[t+3]=f);if(u!==f||s!==h||l!==d||c!==p){let e=1-o;const t=s*h+l*d+c*p+u*f,n=t>=0?1:-1,i=1-t*t;if(i>Number.EPSILON){const r=Math.sqrt(i),a=Math.atan2(r,t*n);e=Math.sin(e*a)/r,o=Math.sin(o*a)/r}const r=o*n;if(s=s*e+h*r,l=l*e+d*r,c=c*e+p*r,u=u*e+f*r,e===1-o){const e=1/Math.sqrt(s*s+l*l+c*c+u*u);s*=e,l*=e,c*=e,u*=e}}e[t]=s,e[t+1]=l,e[t+2]=c,e[t+3]=u}static multiplyQuaternionsFlat(e,t,n,i,r,a){const o=n[i],s=n[i+1],l=n[i+2],c=n[i+3],u=r[a],h=r[a+1],d=r[a+2],p=r[a+3];return e[t]=o*p+c*u+s*d-l*h,e[t+1]=s*p+c*h+l*u-o*d,e[t+2]=l*p+c*d+o*h-s*u,e[t+3]=c*p-o*u-s*h-l*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!e||!e.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=e._x,i=e._y,r=e._z,a=e._order,o=Math.cos,s=Math.sin,l=o(n/2),c=o(i/2),u=o(r/2),h=s(n/2),d=s(i/2),p=s(r/2);switch(a){case"XYZ":this._x=h*c*u+l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u-h*d*p;break;case"YXZ":this._x=h*c*u+l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u+h*d*p;break;case"ZXY":this._x=h*c*u-l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u-h*d*p;break;case"ZYX":this._x=h*c*u-l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u+h*d*p;break;case"YZX":this._x=h*c*u+l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u-h*d*p;break;case"XZY":this._x=h*c*u-l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u+h*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],i=t[4],r=t[8],a=t[1],o=t[5],s=t[9],l=t[2],c=t[6],u=t[10],h=n+o+u;if(h>0){const e=.5/Math.sqrt(h+1);this._w=.25/e,this._x=(c-s)*e,this._y=(r-l)*e,this._z=(a-i)*e}else if(n>o&&n>u){const e=2*Math.sqrt(1+n-o-u);this._w=(c-s)/e,this._x=.25*e,this._y=(i+a)/e,this._z=(r+l)/e}else if(o>u){const e=2*Math.sqrt(1+o-n-u);this._w=(r-l)/e,this._x=(i+a)/e,this._y=.25*e,this._z=(s+c)/e}else{const e=2*Math.sqrt(1+u-n-o);this._w=(a-i)/e,this._x=(r+l)/e,this._y=(s+c)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<1e-6?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(w.clamp(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(0===n)return this;const i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return void 0!==t?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const n=e._x,i=e._y,r=e._z,a=e._w,o=t._x,s=t._y,l=t._z,c=t._w;return this._x=n*c+a*o+i*l-r*s,this._y=i*c+a*s+r*o-n*l,this._z=r*c+a*l+n*s-i*o,this._w=a*c-n*o-i*s-r*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const n=this._x,i=this._y,r=this._z,a=this._w;let o=a*e._w+n*e._x+i*e._y+r*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;const s=1-o*o;if(s<=Number.EPSILON){const e=1-t;return this._w=e*a+t*this._w,this._x=e*n+t*this._x,this._y=e*i+t*this._y,this._z=e*r+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(s),c=Math.atan2(l,o),u=Math.sin((1-t)*c)/l,h=Math.sin(t*c)/l;return this._w=a*u+this._w*h,this._x=n*u+this._x*h,this._y=i*u+this._y*h,this._z=r*u+this._z*h,this._onChangeCallback(),this}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}C.prototype.isQuaternion=!0;class D{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return void 0===n&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(I.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(I.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,r=e.elements,a=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,i=this.z,r=e.x,a=e.y,o=e.z,s=e.w,l=s*t+a*i-o*n,c=s*n+o*t-r*i,u=s*i+r*n-a*t,h=-r*t-a*n-o*i;return this.x=l*s+h*-r+c*-o-u*-a,this.y=c*s+h*-a+u*-r-l*-o,this.z=u*s+h*-o+l*-a-c*-r,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return void 0!==t?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,i=e.y,r=e.z,a=t.x,o=t.y,s=t.z;return this.x=i*s-r*o,this.y=r*a-n*s,this.z=n*o-i*a,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return N.copy(this).projectOnVector(e),this.sub(N)}reflect(e){return this.sub(N.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(w.clamp(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}}D.prototype.isVector3=!0;const N=new D,I=new C;class O{constructor(e=new D(1/0,1/0,1/0),t=new D(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.length;s<l;s+=3){const l=e[s],c=e[s+1],u=e[s+2];l<t&&(t=l),c<n&&(n=c),u<i&&(i=u),l>r&&(r=l),c>a&&(a=c),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.count;s<l;s++){const l=e.getX(s),c=e.getY(s),u=e.getZ(s);l<t&&(t=l),c<n&&(n=c),u<i&&(i=u),l>r&&(r=l),c>a&&(a=c),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=F.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e){return this.makeEmpty(),this.expandByObject(e)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return void 0===e&&(console.warn("THREE.Box3: .getCenter() target is now required"),e=new D),this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return void 0===e&&(console.warn("THREE.Box3: .getSize() target is now required"),e=new D),this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e){e.updateWorldMatrix(!1,!1);const t=e.geometry;void 0!==t&&(null===t.boundingBox&&t.computeBoundingBox(),U.copy(t.boundingBox),U.applyMatrix4(e.matrixWorld),this.union(U));const n=e.children;for(let e=0,t=n.length;e<t;e++)this.expandByObject(n[e]);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return void 0===t&&(console.warn("THREE.Box3: .getParameter() target is now required"),t=new D),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,F),F.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(j),X.subVectors(this.max,j),k.subVectors(e.a,j),B.subVectors(e.b,j),H.subVectors(e.c,j),G.subVectors(B,k),V.subVectors(H,B),W.subVectors(k,H);let t=[0,-G.z,G.y,0,-V.z,V.y,0,-W.z,W.y,G.z,0,-G.x,V.z,0,-V.x,W.z,0,-W.x,-G.y,G.x,0,-V.y,V.x,0,-W.y,W.x,0];return!!Z(t,k,B,H,X)&&(t=[1,0,0,0,1,0,0,0,1],!!Z(t,k,B,H,X)&&(q.crossVectors(G,V),t=[q.x,q.y,q.z],Z(t,k,B,H,X)))}clampPoint(e,t){return void 0===t&&(console.warn("THREE.Box3: .clampPoint() target is now required"),t=new D),t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return F.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return void 0===e&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(e.center),e.radius=.5*this.getSize(F).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(z[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),z[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),z[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),z[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),z[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),z[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),z[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),z[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(z)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}O.prototype.isBox3=!0;const z=[new D,new D,new D,new D,new D,new D,new D,new D],F=new D,U=new O,k=new D,B=new D,H=new D,G=new D,V=new D,W=new D,j=new D,X=new D,q=new D,Y=new D;function Z(e,t,n,i,r){for(let a=0,o=e.length-3;a<=o;a+=3){Y.fromArray(e,a);const o=r.x*Math.abs(Y.x)+r.y*Math.abs(Y.y)+r.z*Math.abs(Y.z),s=t.dot(Y),l=n.dot(Y),c=i.dot(Y);if(Math.max(-Math.max(s,l,c),Math.min(s,l,c))>o)return!1}return!0}const J=new O;class Q{constructor(e=new D,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;void 0!==t?n.copy(t):J.setFromPoints(e).getCenter(n);let i=0;for(let t=0,r=e.length;t<r;t++)i=Math.max(i,n.distanceToSquared(e[t]));return this.radius=Math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const n=this.center.distanceToSquared(e);return void 0===t&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),t=new D),t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return void 0===e&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),e=new O),this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const K=new D,$=new D,ee=new S;class te{constructor(e=new D(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const i=K.subVectors(n,t).cross($.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return void 0===t&&(console.warn("THREE.Plane: .projectPoint() target is now required"),t=new D),t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){void 0===t&&(console.warn("THREE.Plane: .intersectLine() target is now required"),t=new D);const n=e.delta(K),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(e.start)?t.copy(e.start):void 0;const r=-(e.start.dot(this.normal)+this.constant)/i;return r<0||r>1?void 0:t.copy(n).multiplyScalar(r).add(e.start)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return void 0===e&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),e=new D),e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const n=t||ee.getNormalMatrix(e),i=this.coplanarPoint(K).applyMatrix4(e),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}te.prototype.isPlane=!0;const ne=new Q,ie=new D;class re{constructor(e=new te,t=new te,n=new te,i=new te,r=new te,a=new te){this.planes=[e,t,n,i,r,a]}set(e,t,n,i,r,a){const o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){const t=this.planes,n=e.elements,i=n[0],r=n[1],a=n[2],o=n[3],s=n[4],l=n[5],c=n[6],u=n[7],h=n[8],d=n[9],p=n[10],f=n[11],m=n[12],g=n[13],v=n[14],y=n[15];return t[0].setComponents(o-i,u-s,f-h,y-m).normalize(),t[1].setComponents(o+i,u+s,f+h,y+m).normalize(),t[2].setComponents(o+r,u+l,f+d,y+g).normalize(),t[3].setComponents(o-r,u-l,f-d,y-g).normalize(),t[4].setComponents(o-a,u-c,f-p,y-v).normalize(),t[5].setComponents(o+a,u+c,f+p,y+v).normalize(),this}intersectsObject(e){const t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),ne.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(ne)}intersectsSprite(e){return ne.center.set(0,0,0),ne.radius=.7071067811865476,ne.applyMatrix4(e.matrixWorld),this.intersectsSphere(ne)}intersectsSphere(e){const t=this.planes,n=e.center,i=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<i)return!1;return!0}intersectsBox(e){const t=this.planes;for(let n=0;n<6;n++){const i=t[n];if(ie.x=i.normal.x>0?e.max.x:e.min.x,ie.y=i.normal.y>0?e.max.y:e.min.y,ie.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(ie)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}class ae{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,r,a,o,s,l,c,u,h,d,p,f,m){const g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=o,g[13]=s,g[2]=l,g[6]=c,g[10]=u,g[14]=h,g[3]=d,g[7]=p,g[11]=f,g[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ae).fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,n=e.elements,i=1/oe.setFromMatrixColumn(e,0).length(),r=1/oe.setFromMatrixColumn(e,1).length(),a=1/oe.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const t=this.elements,n=e.x,i=e.y,r=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(i),l=Math.sin(i),c=Math.cos(r),u=Math.sin(r);if("XYZ"===e.order){const e=a*c,n=a*u,i=o*c,r=o*u;t[0]=s*c,t[4]=-s*u,t[8]=l,t[1]=n+i*l,t[5]=e-r*l,t[9]=-o*s,t[2]=r-e*l,t[6]=i+n*l,t[10]=a*s}else if("YXZ"===e.order){const e=s*c,n=s*u,i=l*c,r=l*u;t[0]=e+r*o,t[4]=i*o-n,t[8]=a*l,t[1]=a*u,t[5]=a*c,t[9]=-o,t[2]=n*o-i,t[6]=r+e*o,t[10]=a*s}else if("ZXY"===e.order){const e=s*c,n=s*u,i=l*c,r=l*u;t[0]=e-r*o,t[4]=-a*u,t[8]=i+n*o,t[1]=n+i*o,t[5]=a*c,t[9]=r-e*o,t[2]=-a*l,t[6]=o,t[10]=a*s}else if("ZYX"===e.order){const e=a*c,n=a*u,i=o*c,r=o*u;t[0]=s*c,t[4]=i*l-n,t[8]=e*l+r,t[1]=s*u,t[5]=r*l+e,t[9]=n*l-i,t[2]=-l,t[6]=o*s,t[10]=a*s}else if("YZX"===e.order){const e=a*s,n=a*l,i=o*s,r=o*l;t[0]=s*c,t[4]=r-e*u,t[8]=i*u+n,t[1]=u,t[5]=a*c,t[9]=-o*c,t[2]=-l*c,t[6]=n*u+i,t[10]=e-r*u}else if("XZY"===e.order){const e=a*s,n=a*l,i=o*s,r=o*l;t[0]=s*c,t[4]=-u,t[8]=l*c,t[1]=e*u+r,t[5]=a*c,t[9]=n*u-i,t[2]=i*u-n,t[6]=o*c,t[10]=r*u+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(le,e,ce)}lookAt(e,t,n){const i=this.elements;return de.subVectors(e,t),0===de.lengthSq()&&(de.z=1),de.normalize(),ue.crossVectors(n,de),0===ue.lengthSq()&&(1===Math.abs(n.z)?de.x+=1e-4:de.z+=1e-4,de.normalize(),ue.crossVectors(n,de)),ue.normalize(),he.crossVectors(de,ue),i[0]=ue.x,i[4]=he.x,i[8]=de.x,i[1]=ue.y,i[5]=he.y,i[9]=de.y,i[2]=ue.z,i[6]=he.z,i[10]=de.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[4],s=n[8],l=n[12],c=n[1],u=n[5],h=n[9],d=n[13],p=n[2],f=n[6],m=n[10],g=n[14],v=n[3],y=n[7],x=n[11],_=n[15],b=i[0],w=i[4],M=i[8],E=i[12],S=i[1],T=i[5],L=i[9],A=i[13],R=i[2],P=i[6],C=i[10],D=i[14],N=i[3],I=i[7],O=i[11],z=i[15];return r[0]=a*b+o*S+s*R+l*N,r[4]=a*w+o*T+s*P+l*I,r[8]=a*M+o*L+s*C+l*O,r[12]=a*E+o*A+s*D+l*z,r[1]=c*b+u*S+h*R+d*N,r[5]=c*w+u*T+h*P+d*I,r[9]=c*M+u*L+h*C+d*O,r[13]=c*E+u*A+h*D+d*z,r[2]=p*b+f*S+m*R+g*N,r[6]=p*w+f*T+m*P+g*I,r[10]=p*M+f*L+m*C+g*O,r[14]=p*E+f*A+m*D+g*z,r[3]=v*b+y*S+x*R+_*N,r[7]=v*w+y*T+x*P+_*I,r[11]=v*M+y*L+x*C+_*O,r[15]=v*E+y*A+x*D+_*z,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[4],i=e[8],r=e[12],a=e[1],o=e[5],s=e[9],l=e[13],c=e[2],u=e[6],h=e[10],d=e[14];return e[3]*(+r*s*u-i*l*u-r*o*h+n*l*h+i*o*d-n*s*d)+e[7]*(+t*s*d-t*l*h+r*a*h-i*a*d+i*l*c-r*s*c)+e[11]*(+t*l*u-t*o*d-r*a*u+n*a*d+r*o*c-n*l*c)+e[15]*(-i*o*c-t*s*u+t*o*h+i*a*u-n*a*h+n*s*c)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],u=e[9],h=e[10],d=e[11],p=e[12],f=e[13],m=e[14],g=e[15],v=u*m*l-f*h*l+f*s*d-o*m*d-u*s*g+o*h*g,y=p*h*l-c*m*l-p*s*d+a*m*d+c*s*g-a*h*g,x=c*f*l-p*u*l+p*o*d-a*f*d-c*o*g+a*u*g,_=p*u*s-c*f*s-p*o*h+a*f*h+c*o*m-a*u*m,b=t*v+n*y+i*x+r*_;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const w=1/b;return e[0]=v*w,e[1]=(f*h*r-u*m*r-f*i*d+n*m*d+u*i*g-n*h*g)*w,e[2]=(o*m*r-f*s*r+f*i*l-n*m*l-o*i*g+n*s*g)*w,e[3]=(u*s*r-o*h*r-u*i*l+n*h*l+o*i*d-n*s*d)*w,e[4]=y*w,e[5]=(c*m*r-p*h*r+p*i*d-t*m*d-c*i*g+t*h*g)*w,e[6]=(p*s*r-a*m*r-p*i*l+t*m*l+a*i*g-t*s*g)*w,e[7]=(a*h*r-c*s*r+c*i*l-t*h*l-a*i*d+t*s*d)*w,e[8]=x*w,e[9]=(p*u*r-c*f*r-p*n*d+t*f*d+c*n*g-t*u*g)*w,e[10]=(a*f*r-p*o*r+p*n*l-t*f*l-a*n*g+t*o*g)*w,e[11]=(c*o*r-a*u*r-c*n*l+t*u*l+a*n*d-t*o*d)*w,e[12]=_*w,e[13]=(c*f*i-p*u*i+p*n*h-t*f*h-c*n*m+t*u*m)*w,e[14]=(p*o*i-a*f*i-p*n*s+t*f*s+a*n*m-t*o*m)*w,e[15]=(a*u*i-c*o*i+c*n*s-t*u*s-a*n*h+t*o*h)*w,this}scale(e){const t=this.elements,n=e.x,i=e.y,r=e.z;return t[0]*=n,t[4]*=i,t[8]*=r,t[1]*=n,t[5]*=i,t[9]*=r,t[2]*=n,t[6]*=i,t[10]*=r,t[3]*=n,t[7]*=i,t[11]*=r,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const n=Math.cos(t),i=Math.sin(t),r=1-n,a=e.x,o=e.y,s=e.z,l=r*a,c=r*o;return this.set(l*a+n,l*o-i*s,l*s+i*o,0,l*o+i*s,c*o+n,c*s-i*a,0,l*s-i*o,c*s+i*a,r*s*s+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n){return this.set(1,t,n,0,e,1,n,0,e,t,1,0,0,0,0,1),this}compose(e,t,n){const i=this.elements,r=t._x,a=t._y,o=t._z,s=t._w,l=r+r,c=a+a,u=o+o,h=r*l,d=r*c,p=r*u,f=a*c,m=a*u,g=o*u,v=s*l,y=s*c,x=s*u,_=n.x,b=n.y,w=n.z;return i[0]=(1-(f+g))*_,i[1]=(d+x)*_,i[2]=(p-y)*_,i[3]=0,i[4]=(d-x)*b,i[5]=(1-(h+g))*b,i[6]=(m+v)*b,i[7]=0,i[8]=(p+y)*w,i[9]=(m-v)*w,i[10]=(1-(h+f))*w,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){const i=this.elements;let r=oe.set(i[0],i[1],i[2]).length();const a=oe.set(i[4],i[5],i[6]).length(),o=oe.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),e.x=i[12],e.y=i[13],e.z=i[14],se.copy(this);const s=1/r,l=1/a,c=1/o;return se.elements[0]*=s,se.elements[1]*=s,se.elements[2]*=s,se.elements[4]*=l,se.elements[5]*=l,se.elements[6]*=l,se.elements[8]*=c,se.elements[9]*=c,se.elements[10]*=c,t.setFromRotationMatrix(se),n.x=r,n.y=a,n.z=o,this}makePerspective(e,t,n,i,r,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const o=this.elements,s=2*r/(t-e),l=2*r/(n-i),c=(t+e)/(t-e),u=(n+i)/(n-i),h=-(a+r)/(a-r),d=-2*a*r/(a-r);return o[0]=s,o[4]=0,o[8]=c,o[12]=0,o[1]=0,o[5]=l,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=h,o[14]=d,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,r,a){const o=this.elements,s=1/(t-e),l=1/(n-i),c=1/(a-r),u=(t+e)*s,h=(n+i)*l,d=(a+r)*c;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*l,o[9]=0,o[13]=-h,o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-d,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}ae.prototype.isMatrix4=!0;const oe=new D,se=new ae,le=new D(0,0,0),ce=new D(1,1,1),ue=new D,he=new D,de=new D;class pe{constructor(e=0,t=0,n=0,i=1){this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,r=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*r,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,r;const a=.01,o=.1,s=e.elements,l=s[0],c=s[4],u=s[8],h=s[1],d=s[5],p=s[9],f=s[2],m=s[6],g=s[10];if(Math.abs(c-h)<a&&Math.abs(u-f)<a&&Math.abs(p-m)<a){if(Math.abs(c+h)<o&&Math.abs(u+f)<o&&Math.abs(p+m)<o&&Math.abs(l+d+g-3)<o)return this.set(1,0,0,0),this;t=Math.PI;const e=(l+1)/2,s=(d+1)/2,v=(g+1)/2,y=(c+h)/4,x=(u+f)/4,_=(p+m)/4;return e>s&&e>v?e<a?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(e),i=y/n,r=x/n):s>v?s<a?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(s),n=y/i,r=_/i):v<a?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=x/r,i=_/r),this.set(n,i,r,t),this}let v=Math.sqrt((m-p)*(m-p)+(u-f)*(u-f)+(h-c)*(h-c));return Math.abs(v)<.001&&(v=1),this.x=(m-p)/v,this.y=(u-f)/v,this.z=(h-c)/v,this.w=Math.acos((l+d+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}pe.prototype.isVector4=!0;const 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this.constructor(this.array,this.itemSize).copy(this)},toJSON:function(){return{itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized}}}),Te.prototype=Object.create(Se.prototype),Te.prototype.constructor=Te,Le.prototype=Object.create(Se.prototype),Le.prototype.constructor=Le,Ae.prototype=Object.create(Se.prototype),Ae.prototype.constructor=Ae,Re.prototype=Object.create(Se.prototype),Re.prototype.constructor=Re,Pe.prototype=Object.create(Se.prototype),Pe.prototype.constructor=Pe,Ce.prototype=Object.create(Se.prototype),Ce.prototype.constructor=Ce,De.prototype=Object.create(Se.prototype),De.prototype.constructor=De,Ne.prototype=Object.create(Se.prototype),Ne.prototype.constructor=Ne,Ne.prototype.isFloat16BufferAttribute=!0,Ie.prototype=Object.create(Se.prototype),Ie.prototype.constructor=Ie,Oe.prototype=Object.create(Se.prototype),Oe.prototype.constructor=Oe;const ze=new ae,Fe=new C;class Ue{constructor(e=0,t=0,n=0,i=Ue.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._order=i||this._order,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t,n){const i=w.clamp,r=e.elements,a=r[0],o=r[4],s=r[8],l=r[1],c=r[5],u=r[9],h=r[2],d=r[6],p=r[10];switch(t=t||this._order){case"XYZ":this._y=Math.asin(i(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-u,p),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-i(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(s,p),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,a),this._z=0);break;case"ZXY":this._x=Math.asin(i(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,p),this._z=Math.atan2(-o,c)):(this._y=0,this._z=Math.atan2(l,a));break;case"ZYX":this._y=Math.asin(-i(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,p),this._z=Math.atan2(l,a)):(this._x=0,this._z=Math.atan2(-o,c));break;case"YZX":this._z=Math.asin(i(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,a)):(this._x=0,this._y=Math.atan2(s,p));break;case"XZY":this._z=Math.asin(-i(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-u,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!1!==n&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return ze.makeRotationFromQuaternion(e),this.setFromRotationMatrix(ze,t,n)}setFromVector3(e,t){return this.set(e.x,e.y,e.z,t||this._order)}reorder(e){return Fe.setFromEuler(this),this.setFromQuaternion(Fe,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new D(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}Ue.prototype.isEuler=!0,Ue.DefaultOrder="XYZ",Ue.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class ke{constructor(){this.mask=1}set(e){this.mask=1<<e|0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return 0!=(this.mask&e.mask)}}let Be=0;const He=new D,Ge=new C,Ve=new ae,We=new D,je=new D,Xe=new D,qe=new C,Ye=new D(1,0,0),Ze=new D(0,1,0),Je=new D(0,0,1),Qe={type:"added"},Ke={type:"removed"};function $e(){Object.defineProperty(this,"id",{value:Be++}),this.uuid=w.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=$e.DefaultUp.clone();const e=new D,t=new Ue,n=new C,i=new D(1,1,1);t._onChange((function(){n.setFromEuler(t,!1)})),n._onChange((function(){t.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new ae},normalMatrix:{value:new S}}),this.matrix=new ae,this.matrixWorld=new ae,this.matrixAutoUpdate=$e.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new ke,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}function et(e){if(0===e.length)return-1/0;let t=e[0];for(let n=1,i=e.length;n<i;++n)e[n]>t&&(t=e[n]);return t}$e.DefaultUp=new D(0,1,0),$e.DefaultMatrixAutoUpdate=!0,$e.prototype=Object.assign(Object.create(M.prototype),{constructor:$e,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix4:function(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(e){return this.quaternion.premultiply(e),this},setRotationFromAxisAngle:function(e,t){this.quaternion.setFromAxisAngle(e,t)},setRotationFromEuler:function(e){this.quaternion.setFromEuler(e,!0)},setRotationFromMatrix:function(e){this.quaternion.setFromRotationMatrix(e)},setRotationFromQuaternion:function(e){this.quaternion.copy(e)},rotateOnAxis:function(e,t){return Ge.setFromAxisAngle(e,t),this.quaternion.multiply(Ge),this},rotateOnWorldAxis:function(e,t){return Ge.setFromAxisAngle(e,t),this.quaternion.premultiply(Ge),this},rotateX:function(e){return this.rotateOnAxis(Ye,e)},rotateY:function(e){return this.rotateOnAxis(Ze,e)},rotateZ:function(e){return this.rotateOnAxis(Je,e)},translateOnAxis:function(e,t){return He.copy(e).applyQuaternion(this.quaternion),this.position.add(He.multiplyScalar(t)),this},translateX:function(e){return this.translateOnAxis(Ye,e)},translateY:function(e){return this.translateOnAxis(Ze,e)},translateZ:function(e){return this.translateOnAxis(Je,e)},localToWorld:function(e){return e.applyMatrix4(this.matrixWorld)},worldToLocal:function(e){return e.applyMatrix4(Ve.copy(this.matrixWorld).invert())},lookAt:function(e,t,n){e.isVector3?We.copy(e):We.set(e,t,n);const i=this.parent;this.updateWorldMatrix(!0,!1),je.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Ve.lookAt(je,We,this.up):Ve.lookAt(We,je,this.up),this.quaternion.setFromRotationMatrix(Ve),i&&(Ve.extractRotation(i.matrixWorld),Ge.setFromRotationMatrix(Ve),this.quaternion.premultiply(Ge.invert()))},add:function(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(Qe)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)},remove:function(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Ke)),this},clear:function(){for(let e=0;e<this.children.length;e++){const t=this.children[e];t.parent=null,t.dispatchEvent(Ke)}return this.children.length=0,this},attach:function(e){return this.updateWorldMatrix(!0,!1),Ve.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),Ve.multiply(e.parent.matrixWorld)),e.applyMatrix4(Ve),this.add(e),e.updateWorldMatrix(!1,!0),this},getObjectById:function(e){return this.getObjectByProperty("id",e)},getObjectByName:function(e){return this.getObjectByProperty("name",e)},getObjectByProperty:function(e,t){if(this[e]===t)return this;for(let n=0,i=this.children.length;n<i;n++){const i=this.children[n].getObjectByProperty(e,t);if(void 0!==i)return i}},getWorldPosition:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),e=new D),this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),e=new C),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(je,e,Xe),e},getWorldScale:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),e=new D),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(je,qe,e),e},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),e=new D),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()},raycast:function(){},traverse:function(e){e(this);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverse(e)},traverseVisible:function(e){if(!1===this.visible)return;e(this);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverseVisible(e)},traverseAncestors:function(e){const t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].updateMatrixWorld(e)},updateWorldMatrix:function(e,t){const n=this.parent;if(!0===e&&null!==n&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===t){const e=this.children;for(let t=0,n=e.length;t<n;t++)e[t].updateWorldMatrix(!1,!0)}},toJSON:function(e){const t=void 0===e||"string"==typeof e,n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const i={};function r(t,n){return void 0===t[n.uuid]&&(t[n.uuid]=n.toJSON(e)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON()),this.isMesh||this.isLine||this.isPoints){i.geometry=r(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const n=t.shapes;if(Array.isArray(n))for(let t=0,i=n.length;t<i;t++){const i=n[t];r(e.shapes,i)}else r(e.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(e.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let n=0,i=this.material.length;n<i;n++)t.push(r(e.materials,this.material[n]));i.material=t}else i.material=r(e.materials,this.material);if(this.children.length>0){i.children=[];for(let t=0;t<this.children.length;t++)i.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){i.animations=[];for(let t=0;t<this.animations.length;t++){const n=this.animations[t];i.animations.push(r(e.animations,n))}}if(t){const t=a(e.geometries),i=a(e.materials),r=a(e.textures),o=a(e.images),s=a(e.shapes),l=a(e.skeletons),c=a(e.animations);t.length>0&&(n.geometries=t),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),o.length>0&&(n.images=o),s.length>0&&(n.shapes=s),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c)}return n.object=i,n;function a(e){const t=[];for(const n in e){const i=e[n];delete i.metadata,t.push(i)}return t}},clone:function(e){return(new this.constructor).copy(this,e)},copy:function(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){const n=e.children[t];this.add(n.clone())}return this}}),Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array;let tt=0;const nt=new ae,it=new $e,rt=new D,at=new O,ot=new O,st=new D;function lt(){Object.defineProperty(this,"id",{value:tt++}),this.uuid=w.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}lt.prototype=Object.assign(Object.create(M.prototype),{constructor:lt,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(e){return Array.isArray(e)?this.index=new(et(e)>65535?De:Pe)(e,1):this.index=e,this},getAttribute:function(e){return this.attributes[e]},setAttribute:function(e,t){return this.attributes[e]=t,this},deleteAttribute:function(e){return delete this.attributes[e],this},hasAttribute:function(e){return void 0!==this.attributes[e]},addGroup:function(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})},clearGroups:function(){this.groups=[]},setDrawRange:function(e,t){this.drawRange.start=e,this.drawRange.count=t},applyMatrix4:function(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const t=(new S).getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(e),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(e){return nt.makeRotationX(e),this.applyMatrix4(nt),this},rotateY:function(e){return nt.makeRotationY(e),this.applyMatrix4(nt),this},rotateZ:function(e){return nt.makeRotationZ(e),this.applyMatrix4(nt),this},translate:function(e,t,n){return nt.makeTranslation(e,t,n),this.applyMatrix4(nt),this},scale:function(e,t,n){return nt.makeScale(e,t,n),this.applyMatrix4(nt),this},lookAt:function(e){return it.lookAt(e),it.updateMatrix(),this.applyMatrix4(it.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(rt).negate(),this.translate(rt.x,rt.y,rt.z),this},setFromPoints:function(e){const t=[];for(let n=0,i=e.length;n<i;n++){const i=e[n];t.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new Ie(t,3)),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new O);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new D(-1/0,-1/0,-1/0),new D(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];at.setFromBufferAttribute(n),this.morphTargetsRelative?(st.addVectors(this.boundingBox.min,at.min),this.boundingBox.expandByPoint(st),st.addVectors(this.boundingBox.max,at.max),this.boundingBox.expandByPoint(st)):(this.boundingBox.expandByPoint(at.min),this.boundingBox.expandByPoint(at.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new Q);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new D,1/0);if(e){const n=this.boundingSphere.center;if(at.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];ot.setFromBufferAttribute(n),this.morphTargetsRelative?(st.addVectors(at.min,ot.min),at.expandByPoint(st),st.addVectors(at.max,ot.max),at.expandByPoint(st)):(at.expandByPoint(ot.min),at.expandByPoint(ot.max))}at.getCenter(n);let i=0;for(let t=0,r=e.count;t<r;t++)st.fromBufferAttribute(e,t),i=Math.max(i,n.distanceToSquared(st));if(t)for(let r=0,a=t.length;r<a;r++){const a=t[r],o=this.morphTargetsRelative;for(let t=0,r=a.count;t<r;t++)st.fromBufferAttribute(a,t),o&&(rt.fromBufferAttribute(e,t),st.add(rt)),i=Math.max(i,n.distanceToSquared(st))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}},computeFaceNormals:function(){},computeTangents:function(){const e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=e.array,i=t.position.array,r=t.normal.array,a=t.uv.array,o=i.length/3;void 0===t.tangent&&this.setAttribute("tangent",new Se(new Float32Array(4*o),4));const s=t.tangent.array,l=[],c=[];for(let e=0;e<o;e++)l[e]=new D,c[e]=new D;const u=new D,h=new D,d=new D,p=new E,f=new E,m=new E,g=new D,v=new D;function y(e,t,n){u.fromArray(i,3*e),h.fromArray(i,3*t),d.fromArray(i,3*n),p.fromArray(a,2*e),f.fromArray(a,2*t),m.fromArray(a,2*n),h.sub(u),d.sub(u),f.sub(p),m.sub(p);const r=1/(f.x*m.y-m.x*f.y);isFinite(r)&&(g.copy(h).multiplyScalar(m.y).addScaledVector(d,-f.y).multiplyScalar(r),v.copy(d).multiplyScalar(f.x).addScaledVector(h,-m.x).multiplyScalar(r),l[e].add(g),l[t].add(g),l[n].add(g),c[e].add(v),c[t].add(v),c[n].add(v))}let x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(let e=0,t=x.length;e<t;++e){const t=x[e],i=t.start;for(let e=i,r=i+t.count;e<r;e+=3)y(n[e+0],n[e+1],n[e+2])}const _=new D,b=new D,w=new D,M=new D;function S(e){w.fromArray(r,3*e),M.copy(w);const t=l[e];_.copy(t),_.sub(w.multiplyScalar(w.dot(t))).normalize(),b.crossVectors(M,t);const n=b.dot(c[e])<0?-1:1;s[4*e]=_.x,s[4*e+1]=_.y,s[4*e+2]=_.z,s[4*e+3]=n}for(let e=0,t=x.length;e<t;++e){const t=x[e],i=t.start;for(let e=i,r=i+t.count;e<r;e+=3)S(n[e+0]),S(n[e+1]),S(n[e+2])}},computeVertexNormals:function(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let n=this.getAttribute("normal");if(void 0===n)n=new Se(new Float32Array(3*t.count),3),this.setAttribute("normal",n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);const i=new D,r=new D,a=new D,o=new D,s=new D,l=new D,c=new D,u=new D;if(e)for(let h=0,d=e.count;h<d;h+=3){const d=e.getX(h+0),p=e.getX(h+1),f=e.getX(h+2);i.fromBufferAttribute(t,d),r.fromBufferAttribute(t,p),a.fromBufferAttribute(t,f),c.subVectors(a,r),u.subVectors(i,r),c.cross(u),o.fromBufferAttribute(n,d),s.fromBufferAttribute(n,p),l.fromBufferAttribute(n,f),o.add(c),s.add(c),l.add(c),n.setXYZ(d,o.x,o.y,o.z),n.setXYZ(p,s.x,s.y,s.z),n.setXYZ(f,l.x,l.y,l.z)}else for(let e=0,o=t.count;e<o;e+=3)i.fromBufferAttribute(t,e+0),r.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),c.subVectors(a,r),u.subVectors(i,r),c.cross(u),n.setXYZ(e+0,c.x,c.y,c.z),n.setXYZ(e+1,c.x,c.y,c.z),n.setXYZ(e+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}},merge:function(e,t){if(!e||!e.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",e);void 0===t&&(t=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const n=this.attributes;for(const i in n){if(void 0===e.attributes[i])continue;const r=n[i].array,a=e.attributes[i],o=a.array,s=a.itemSize*t,l=Math.min(o.length,r.length-s);for(let e=0,t=s;e<l;e++,t++)r[t]=o[e]}return this},normalizeNormals:function(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)st.fromBufferAttribute(e,t),st.normalize(),e.setXYZ(t,st.x,st.y,st.z)},toNonIndexed:function(){function e(e,t){const n=e.array,i=e.itemSize,r=e.normalized,a=new n.constructor(t.length*i);let o=0,s=0;for(let e=0,r=t.length;e<r;e++){o=t[e]*i;for(let e=0;e<i;e++)a[s++]=n[o++]}return new Se(a,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new lt,n=this.index.array,i=this.attributes;for(const r in i){const a=e(i[r],n);t.setAttribute(r,a)}const r=this.morphAttributes;for(const i in r){const a=[],o=r[i];for(let t=0,i=o.length;t<i;t++){const i=e(o[t],n);a.push(i)}t.morphAttributes[i]=a}t.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let e=0,n=a.length;e<n;e++){const n=a[e];t.addGroup(n.start,n.count,n.materialIndex)}return t},toJSON:function(){const e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){const t=this.parameters;for(const n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const t in n){const i=n[t],r=i.toJSON(e.data);""!==i.name&&(r.name=i.name),e.data.attributes[t]=r}const i={};let r=!1;for(const t in this.morphAttributes){const n=this.morphAttributes[t],a=[];for(let t=0,i=n.length;t<i;t++){const i=n[t],r=i.toJSON(e.data);""!==i.name&&(r.name=i.name),a.push(r)}a.length>0&&(i[t]=a,r=!0)}r&&(e.data.morphAttributes=i,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return null!==o&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e},clone:function(){return(new lt).copy(this)},copy:function(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const n=e.index;null!==n&&this.setIndex(n.clone(t));const i=e.attributes;for(const e in i){const n=i[e];this.setAttribute(e,n.clone(t))}const r=e.morphAttributes;for(const e in r){const n=[],i=r[e];for(let e=0,r=i.length;e<r;e++)n.push(i[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;const a=e.groups;for(let e=0,t=a.length;e<t;e++){const t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}const o=e.boundingBox;null!==o&&(this.boundingBox=o.clone());const s=e.boundingSphere;return null!==s&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this},dispose:function(){this.dispatchEvent({type:"dispose"})}});class ct extends lt{constructor(e=1,t=1,n=1,i=1,r=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:i,heightSegments:r,depthSegments:a};const o=this;i=Math.floor(i),r=Math.floor(r),a=Math.floor(a);const s=[],l=[],c=[],u=[];let h=0,d=0;function p(e,t,n,i,r,a,p,f,m,g,v){const y=a/m,x=p/g,_=a/2,b=p/2,w=f/2,M=m+1,E=g+1;let S=0,T=0;const L=new D;for(let a=0;a<E;a++){const o=a*x-b;for(let s=0;s<M;s++){const h=s*y-_;L[e]=h*i,L[t]=o*r,L[n]=w,l.push(L.x,L.y,L.z),L[e]=0,L[t]=0,L[n]=f>0?1:-1,c.push(L.x,L.y,L.z),u.push(s/m),u.push(1-a/g),S+=1}}for(let e=0;e<g;e++)for(let t=0;t<m;t++){const n=h+t+M*e,i=h+t+M*(e+1),r=h+(t+1)+M*(e+1),a=h+(t+1)+M*e;s.push(n,i,a),s.push(i,r,a),T+=6}o.addGroup(d,T,v),d+=T,h+=S}p("z","y","x",-1,-1,n,t,e,a,r,0),p("z","y","x",1,-1,n,t,-e,a,r,1),p("x","z","y",1,1,e,n,t,i,a,2),p("x","z","y",1,-1,e,n,-t,i,a,3),p("x","y","z",1,-1,e,t,n,i,r,4),p("x","y","z",-1,-1,e,t,-n,i,r,5),this.setIndex(s),this.setAttribute("position",new Ie(l,3)),this.setAttribute("normal",new Ie(c,3)),this.setAttribute("uv",new Ie(u,2))}}class ut extends lt{constructor(e=1,t=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:i};const r=e/2,a=t/2,o=Math.floor(n),s=Math.floor(i),l=o+1,c=s+1,u=e/o,h=t/s,d=[],p=[],f=[],m=[];for(let e=0;e<c;e++){const t=e*h-a;for(let n=0;n<l;n++){const i=n*u-r;p.push(i,-t,0),f.push(0,0,1),m.push(n/o),m.push(1-e/s)}}for(let e=0;e<s;e++)for(let t=0;t<o;t++){const n=t+l*e,i=t+l*(e+1),r=t+1+l*(e+1),a=t+1+l*e;d.push(n,i,a),d.push(i,r,a)}this.setIndex(d),this.setAttribute("position",new Ie(p,3)),this.setAttribute("normal",new Ie(f,3)),this.setAttribute("uv",new Ie(m,2))}}let ht=0;function dt(){Object.defineProperty(this,"id",{value:ht++}),this.uuid=w.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=t,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=y,this.stencilZFail=y,this.stencilZPass=y,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}function pt(e){const t={};for(const n in e){t[n]={};for(const i in e[n]){const r=e[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?t[n][i]=r.clone():Array.isArray(r)?t[n][i]=r.slice():t[n][i]=r}}return t}function ft(e){const t={};for(let n=0;n<e.length;n++){const i=pt(e[n]);for(const e in i)t[e]=i[e]}return t}dt.prototype=Object.assign(Object.create(M.prototype),{constructor:dt,isMaterial:!0,onBeforeCompile:function(){},customProgramCacheKey:function(){return this.onBeforeCompile.toString()},setValues:function(e){if(void 0!==e)for(const t in e){const n=e[t];if(void 0===n){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if("shading"===t){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;continue}const i=this[t];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n:console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.")}},toJSON:function(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function i(e){const t=[];for(const n in e){const i=e[n];delete i.metadata,t.push(i)}return t}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),this.sheen&&this.sheen.isColor&&(n.sheen=this.sheen.getHex()),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,n.reflectivity=this.reflectivity,n.refractionRatio=this.refractionRatio,void 0!==this.combine&&(n.combine=this.combine),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity)),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.size&&(n.size=this.size),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){const t=i(e.textures),r=i(e.images);t.length>0&&(n.textures=t),r.length>0&&(n.images=r)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(null!==t){const e=t.length;n=new Array(e);for(let i=0;i!==e;++i)n[i]=t[i].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(dt.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}});const mt={clone:pt,merge:ft};function gt(e){dt.call(this),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="\nvoid main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}\n",this.fragmentShader="\nvoid main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}\n",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&(void 0!==e.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(e))}gt.prototype=Object.create(dt.prototype),gt.prototype.constructor=gt,gt.prototype.isShaderMaterial=!0,gt.prototype.copy=function(e){return dt.prototype.copy.call(this,e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=pt(e.uniforms),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.lights=e.lights,this.clipping=e.clipping,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this},gt.prototype.toJSON=function(e){const t=dt.prototype.toJSON.call(this,e);t.glslVersion=this.glslVersion,t.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?t.uniforms[n]={type:"t",value:i.toJSON(e).uuid}:i&&i.isColor?t.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?t.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?t.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?t.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?t.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?t.uniforms[n]={type:"m4",value:i.toArray()}:t.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;const n={};for(const e in this.extensions)!0===this.extensions[e]&&(n[e]=!0);return Object.keys(n).length>0&&(t.extensions=n),t};const vt=new D,yt=new D,xt=new D,_t=new D,bt=new D,wt=new D,Mt=new D;class Et{constructor(e=new D,t=new D(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return void 0===t&&(console.warn("THREE.Ray: .at() target is now required"),t=new D),t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,vt)),this}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),t=new D),t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=vt.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(vt.copy(this.direction).multiplyScalar(t).add(this.origin),vt.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){yt.copy(e).add(t).multiplyScalar(.5),xt.copy(t).sub(e).normalize(),_t.copy(this.origin).sub(yt);const r=.5*e.distanceTo(t),a=-this.direction.dot(xt),o=_t.dot(this.direction),s=-_t.dot(xt),l=_t.lengthSq(),c=Math.abs(1-a*a);let u,h,d,p;if(c>0)if(u=a*s-o,h=a*o-s,p=r*c,u>=0)if(h>=-p)if(h<=p){const e=1/c;u*=e,h*=e,d=u*(u+a*h+2*o)+h*(a*u+h+2*s)+l}else h=r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h=-r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h<=-p?(u=Math.max(0,-(-a*r+o)),h=u>0?-r:Math.min(Math.max(-r,-s),r),d=-u*u+h*(h+2*s)+l):h<=p?(u=0,h=Math.min(Math.max(-r,-s),r),d=h*(h+2*s)+l):(u=Math.max(0,-(a*r+o)),h=u>0?r:Math.min(Math.max(-r,-s),r),d=-u*u+h*(h+2*s)+l);else h=a>0?-r:r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;return n&&n.copy(this.direction).multiplyScalar(u).add(this.origin),i&&i.copy(xt).multiplyScalar(h).add(yt),d}intersectSphere(e,t){vt.subVectors(e.center,this.origin);const n=vt.dot(this.direction),i=vt.dot(vt)-n*n,r=e.radius*e.radius;if(i>r)return null;const a=Math.sqrt(r-i),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return null===n?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,r,a,o,s;const l=1/this.direction.x,c=1/this.direction.y,u=1/this.direction.z,h=this.origin;return l>=0?(n=(e.min.x-h.x)*l,i=(e.max.x-h.x)*l):(n=(e.max.x-h.x)*l,i=(e.min.x-h.x)*l),c>=0?(r=(e.min.y-h.y)*c,a=(e.max.y-h.y)*c):(r=(e.max.y-h.y)*c,a=(e.min.y-h.y)*c),n>a||r>i?null:((r>n||n!=n)&&(n=r),(a<i||i!=i)&&(i=a),u>=0?(o=(e.min.z-h.z)*u,s=(e.max.z-h.z)*u):(o=(e.max.z-h.z)*u,s=(e.min.z-h.z)*u),n>s||o>i?null:((o>n||n!=n)&&(n=o),(s<i||i!=i)&&(i=s),i<0?null:this.at(n>=0?n:i,t)))}intersectsBox(e){return null!==this.intersectBox(e,vt)}intersectTriangle(e,t,n,i,r){bt.subVectors(t,e),wt.subVectors(n,e),Mt.crossVectors(bt,wt);let a,o=this.direction.dot(Mt);if(o>0){if(i)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}_t.subVectors(this.origin,e);const s=a*this.direction.dot(wt.crossVectors(_t,wt));if(s<0)return null;const l=a*this.direction.dot(bt.cross(_t));if(l<0)return null;if(s+l>o)return null;const c=-a*_t.dot(Mt);return c<0?null:this.at(c/o,r)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}const St=new D,Tt=new D,Lt=new D,At=new D,Rt=new D,Pt=new D,Ct=new D,Dt=new D,Nt=new D,It=new D;class Ot{constructor(e=new D,t=new D,n=new D){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,i){void 0===i&&(console.warn("THREE.Triangle: .getNormal() target is now required"),i=new D),i.subVectors(n,t),St.subVectors(e,t),i.cross(St);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(e,t,n,i,r){St.subVectors(i,t),Tt.subVectors(n,t),Lt.subVectors(e,t);const a=St.dot(St),o=St.dot(Tt),s=St.dot(Lt),l=Tt.dot(Tt),c=Tt.dot(Lt),u=a*l-o*o;if(void 0===r&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),r=new D),0===u)return r.set(-2,-1,-1);const h=1/u,d=(l*s-o*c)*h,p=(a*c-o*s)*h;return r.set(1-d-p,p,d)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,At),At.x>=0&&At.y>=0&&At.x+At.y<=1}static getUV(e,t,n,i,r,a,o,s){return this.getBarycoord(e,t,n,i,At),s.set(0,0),s.addScaledVector(r,At.x),s.addScaledVector(a,At.y),s.addScaledVector(o,At.z),s}static isFrontFacing(e,t,n,i){return St.subVectors(n,t),Tt.subVectors(e,t),St.cross(Tt).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return St.subVectors(this.c,this.b),Tt.subVectors(this.a,this.b),.5*St.cross(Tt).length()}getMidpoint(e){return void 0===e&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),e=new D),e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return Ot.getNormal(this.a,this.b,this.c,e)}getPlane(e){return void 0===e&&(console.warn("THREE.Triangle: .getPlane() target is now required"),e=new te),e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return Ot.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,r){return Ot.getUV(e,this.a,this.b,this.c,t,n,i,r)}containsPoint(e){return Ot.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return Ot.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),t=new D);const n=this.a,i=this.b,r=this.c;let a,o;Rt.subVectors(i,n),Pt.subVectors(r,n),Dt.subVectors(e,n);const s=Rt.dot(Dt),l=Pt.dot(Dt);if(s<=0&&l<=0)return t.copy(n);Nt.subVectors(e,i);const c=Rt.dot(Nt),u=Pt.dot(Nt);if(c>=0&&u<=c)return t.copy(i);const h=s*u-c*l;if(h<=0&&s>=0&&c<=0)return a=s/(s-c),t.copy(n).addScaledVector(Rt,a);It.subVectors(e,r);const d=Rt.dot(It),p=Pt.dot(It);if(p>=0&&d<=p)return t.copy(r);const f=d*l-s*p;if(f<=0&&l>=0&&p<=0)return o=l/(l-p),t.copy(n).addScaledVector(Pt,o);const m=c*p-d*u;if(m<=0&&u-c>=0&&d-p>=0)return Ct.subVectors(r,i),o=(u-c)/(u-c+(d-p)),t.copy(i).addScaledVector(Ct,o);const g=1/(m+f+h);return a=f*g,o=h*g,t.copy(n).addScaledVector(Rt,a).addScaledVector(Pt,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}class zt extends dt{constructor(e){super(),this.type="MeshBasicMaterial",this.color=new _e(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this}}zt.prototype.isMeshBasicMaterial=!0;const Ft=new ae,Ut=new Et,kt=new Q,Bt=new D,Ht=new D,Gt=new D,Vt=new D,Wt=new D,jt=new D,Xt=new D,qt=new D,Yt=new D,Zt=new E,Jt=new E,Qt=new E,Kt=new D,$t=new D;function en(e=new lt,t=new zt){$e.call(this),this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}function tn(e,t,n,i,r,a,o,s,l,c,u,h){Bt.fromBufferAttribute(r,c),Ht.fromBufferAttribute(r,u),Gt.fromBufferAttribute(r,h);const d=e.morphTargetInfluences;if(t.morphTargets&&a&&d){Xt.set(0,0,0),qt.set(0,0,0),Yt.set(0,0,0);for(let e=0,t=a.length;e<t;e++){const t=d[e],n=a[e];0!==t&&(Vt.fromBufferAttribute(n,c),Wt.fromBufferAttribute(n,u),jt.fromBufferAttribute(n,h),o?(Xt.addScaledVector(Vt,t),qt.addScaledVector(Wt,t),Yt.addScaledVector(jt,t)):(Xt.addScaledVector(Vt.sub(Bt),t),qt.addScaledVector(Wt.sub(Ht),t),Yt.addScaledVector(jt.sub(Gt),t)))}Bt.add(Xt),Ht.add(qt),Gt.add(Yt)}e.isSkinnedMesh&&t.skinning&&(e.boneTransform(c,Bt),e.boneTransform(u,Ht),e.boneTransform(h,Gt));const p=function(e,t,n,i,r,a,o,s){let l;if(l=1===t.side?i.intersectTriangle(o,a,r,!0,s):i.intersectTriangle(r,a,o,2!==t.side,s),null===l)return null;$t.copy(s),$t.applyMatrix4(e.matrixWorld);const c=n.ray.origin.distanceTo($t);return c<n.near||c>n.far?null:{distance:c,point:$t.clone(),object:e}}(e,t,n,i,Bt,Ht,Gt,Kt);if(p){s&&(Zt.fromBufferAttribute(s,c),Jt.fromBufferAttribute(s,u),Qt.fromBufferAttribute(s,h),p.uv=Ot.getUV(Kt,Bt,Ht,Gt,Zt,Jt,Qt,new E)),l&&(Zt.fromBufferAttribute(l,c),Jt.fromBufferAttribute(l,u),Qt.fromBufferAttribute(l,h),p.uv2=Ot.getUV(Kt,Bt,Ht,Gt,Zt,Jt,Qt,new E));const e={a:c,b:u,c:h,normal:new D,materialIndex:0};Ot.getNormal(Bt,Ht,Gt,e.normal),p.face=e}return p}en.prototype=Object.assign(Object.create($e.prototype),{constructor:en,isMesh:!0,copy:function(e){return $e.prototype.copy.call(this,e),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(e,t){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0===i)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),kt.copy(n.boundingSphere),kt.applyMatrix4(r),!1===e.ray.intersectsSphere(kt))return;if(Ft.copy(r).invert(),Ut.copy(e.ray).applyMatrix4(Ft),null!==n.boundingBox&&!1===Ut.intersectsBox(n.boundingBox))return;let a;if(n.isBufferGeometry){const r=n.index,o=n.attributes.position,s=n.morphAttributes.position,l=n.morphTargetsRelative,c=n.attributes.uv,u=n.attributes.uv2,h=n.groups,d=n.drawRange;if(null!==r)if(Array.isArray(i))for(let n=0,p=h.length;n<p;n++){const p=h[n],f=i[p.materialIndex];for(let n=Math.max(p.start,d.start),i=Math.min(p.start+p.count,d.start+d.count);n<i;n+=3){const i=r.getX(n),h=r.getX(n+1),d=r.getX(n+2);a=tn(this,f,e,Ut,o,s,l,c,u,i,h,d),a&&(a.faceIndex=Math.floor(n/3),a.face.materialIndex=p.materialIndex,t.push(a))}}else for(let n=Math.max(0,d.start),h=Math.min(r.count,d.start+d.count);n<h;n+=3){const h=r.getX(n),d=r.getX(n+1),p=r.getX(n+2);a=tn(this,i,e,Ut,o,s,l,c,u,h,d,p),a&&(a.faceIndex=Math.floor(n/3),t.push(a))}else if(void 0!==o)if(Array.isArray(i))for(let n=0,r=h.length;n<r;n++){const r=h[n],p=i[r.materialIndex];for(let n=Math.max(r.start,d.start),i=Math.min(r.start+r.count,d.start+d.count);n<i;n+=3)a=tn(this,p,e,Ut,o,s,l,c,u,n,n+1,n+2),a&&(a.faceIndex=Math.floor(n/3),a.face.materialIndex=r.materialIndex,t.push(a))}else for(let n=Math.max(0,d.start),r=Math.min(o.count,d.start+d.count);n<r;n+=3)a=tn(this,i,e,Ut,o,s,l,c,u,n,n+1,n+2),a&&(a.faceIndex=Math.floor(n/3),t.push(a))}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}});const nn={alphamap_fragment:"\n#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n\n#endif\n",alphamap_pars_fragment:"\n#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",alphatest_fragment:"\n#ifdef ALPHATEST\n\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n\n#endif\n",aomap_fragment:"\n#ifdef USE_AOMAP\n\n\t// reads channel R, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\n\t#endif\n\n#endif\n",aomap_pars_fragment:"\n#ifdef USE_AOMAP\n\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n\n#endif\n",begin_vertex:"\nvec3 transformed = vec3( position );\n",beginnormal_vertex:"\nvec3 objectNormal = vec3( normal );\n\n#ifdef USE_TANGENT\n\n\tvec3 objectTangent = vec3( tangent.xyz );\n\n#endif\n",bsdfs:'\n\n// Analytical approximation of the DFG LUT, one half of the\n// split-sum approximation used in indirect specular lighting.\n// via \'environmentBRDF\' from "Physically Based Shading on Mobile"\n// https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\n\tvec4 r = roughness * c0 + c1;\n\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n\n}\n\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\n\t// based upon Frostbite 3 Moving to Physically-based Rendering\n\t// page 32, equation 26: E[window1]\n\t// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\n\t// this is intended to be used on spot and point lights who are represented as luminous intensity\n\t// but who must be converted to luminous irradiance for surface lighting calculation\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\n\tif( cutoffDistance > 0.0 ) {\n\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\n\t}\n\n\treturn distanceFalloff;\n\n#else\n\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\n\t}\n\n\treturn 1.0;\n\n#endif\n\n}\n\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\n\treturn RECIPROCAL_PI * diffuseColor;\n\n} // validated\n\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\n\t// Original approximation by Christophe Schlick \'94\n\t// float fresnel = pow( 1.0 - dotLH, 5.0 );\n\n\t// Optimized variant (presented by Epic at SIGGRAPH \'13)\n\t// https://cdn2.unrealengine.com/Resources/files/2013SiggraphPresentationsNotes-26915738.pdf\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n\n} // validated\n\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\n\t// See F_Schlick\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\n\treturn Fr * fresnel + F0;\n\n}\n\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (34)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\t// geometry term (normalized) = G(l)⋅G(v) / 4(n⋅l)(n⋅v)\n\t// also see #12151\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\n\treturn 1.0 / ( gl * gv );\n\n} // validated\n\n// Moving Frostbite to Physically Based Rendering 3.0 - page 12, listing 2\n// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\tfloat a2 = pow2( alpha );\n\n\t// dotNL and dotNV are explicitly swapped. This is not a mistake.\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\n\treturn 0.5 / max( gv + gl, EPSILON );\n\n}\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (33)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; // avoid alpha = 0 with dotNH = 1\n\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n\n}\n\n// GGX Distribution, Schlick Fresnel, GGX-Smith Visibility\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat alpha = pow2( roughness ); // UE4\'s roughness\n\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\n\tfloat D = D_GGX( alpha, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// Rect Area Light\n\n// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines\n// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt\n// code: https://github.com/selfshadow/ltc_code/\n\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\n\tfloat dotNV = saturate( dot( N, V ) );\n\n\t// texture parameterized by sqrt( GGX alpha ) and sqrt( 1 - cos( theta ) )\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\treturn uv;\n\n}\n\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\n\t// Real-Time Area Lighting: a Journey from Research to Production (p.102)\n\t// An approximation of the form factor of a horizon-clipped rectangle.\n\n\tfloat l = length( f );\n\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n\n}\n\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\n\tfloat x = dot( v1, v2 );\n\n\tfloat y = abs( x );\n\n\t// rational polynomial approximation to theta / sin( theta ) / 2PI\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\n\treturn cross( v1, v2 ) * theta_sintheta;\n\n}\n\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\n\t// bail if point is on back side of plane of light\n\t// assumes ccw winding order of light vertices\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\n\t// construct orthonormal basis around N\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 ); // negated from paper; possibly due to a different handedness of world coordinate system\n\n\t// compute transform\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\n\t// transform rect\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\n\t// project rect onto sphere\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\n\t// calculate vector form factor\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\n\t// adjust for horizon clipping\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\n/*\n\t// alternate method of adjusting for horizon clipping (see referece)\n\t// refactoring required\n\tfloat len = length( vectorFormFactor );\n\tfloat z = vectorFormFactor.z / len;\n\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\n\t// tabulated horizon-clipped sphere, apparently...\n\tvec2 uv = vec2( z * 0.5 + 0.5, len );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\tfloat scale = texture2D( ltc_2, uv ).w;\n\n\tfloat result = len * scale;\n*/\n\n\treturn vec3( result );\n\n}\n\n// End Rect Area Light\n\n// ref: https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\n\treturn specularColor * brdf.x + brdf.y;\n\n} // validated\n\n// Fdez-Agüera\'s "Multiple-Scattering Microfacet Model for Real-Time Image Based Lighting"\n// Approximates multiscattering in order to preserve energy.\n// http://www.jcgt.org/published/0008/01/03/\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; // 1/21\n\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n\n}\n\nfloat G_BlinnPhong_Implicit( /* const in float dotNL, const in float dotNV */ ) {\n\n\t// geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\n\treturn 0.25;\n\n}\n\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n\n}\n\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\n\t//float dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\t//float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_BlinnPhong_Implicit( /* dotNL, dotNV */ );\n\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// source: http://simonstechblog.blogspot.ca/2011/12/microfacet-brdf.html\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\n\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n\n#if defined( USE_SHEEN )\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L94\nfloat D_Charlie(float roughness, float NoH) {\n\t// Estevez and Kulla 2017, "Production Friendly Microfacet Sheen BRDF"\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125); // 2^(-14/2), so sin2h^2 > 0 in fp16\n\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L136\nfloat V_Neubelt(float NoV, float NoL) {\n\t// Neubelt and Pettineo 2013, "Crafting a Next-gen Material Pipeline for The Order: 1886"\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\n\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n\n}\n\n#endif\n',bumpmap_pars_fragment:"\n#ifdef USE_BUMPMAP\n\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\n\t// Bump Mapping Unparametrized Surfaces on the GPU by Morten S. Mikkelsen\n\t// http://api.unrealengine.com/attachments/Engine/Rendering/LightingAndShadows/BumpMappingWithoutTangentSpace/mm_sfgrad_bump.pdf\n\n\t// Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2)\n\n\tvec2 dHdxy_fwd() {\n\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\n\t\treturn vec2( dBx, dBy );\n\n\t}\n\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\t\t// normalized\n\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\n\t}\n\n#endif\n",clipping_planes_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvec4 plane;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\n\t\tbool clipped = true;\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t\tif ( clipped ) discard;\n\n\t#endif\n\n#endif\n",clipping_planes_pars_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n\n#endif\n",clipping_planes_pars_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n#endif\n",clipping_planes_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvClipPosition = - mvPosition.xyz;\n\n#endif\n",color_fragment:"\n#ifdef USE_COLOR\n\n\tdiffuseColor.rgb *= vColor;\n\n#endif\n",color_pars_fragment:"\n#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",color_pars_vertex:"\n#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\n\tvarying vec3 vColor;\n\n#endif\n",color_vertex:"\n#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\n\tvColor = vec3( 1.0 );\n\n#endif\n\n#ifdef USE_COLOR\n\n\tvColor.xyz *= color.xyz;\n\n#endif\n\n#ifdef USE_INSTANCING_COLOR\n\n\tvColor.xyz *= instanceColor.xyz;\n\n#endif\n",common:"\n#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n\n#ifndef saturate\n// <tonemapping_pars_fragment> may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\n\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\n// expects values in the range of [0,1]x[0,1], returns values in the [0,1] range.\n// do not collapse into a single function per: http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\n\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\n\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\n\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n}\n\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t// dir can be either a direction vector or a normal vector\n\t// upper-left 3x3 of matrix is assumed to be orthogonal\n\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n\n}\n\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\n\treturn - distance * planeNormal + point;\n\n}\n\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n\n}\n\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n\n}\n\nmat3 transposeMat3( const in mat3 m ) {\n\n\tmat3 tmp;\n\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\n\treturn tmp;\n\n}\n\n// https://en.wikipedia.org/wiki/Relative_luminance\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\n\treturn dot( weights, color.rgb );\n\n}\n\nbool isPerspectiveMatrix( mat4 m ) {\n\n\treturn m[ 2 ][ 3 ] == - 1.0;\n\n}\n\nvec2 equirectUv( in vec3 dir ) {\n\n\t// dir is assumed to be unit length\n\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\n\treturn vec2( u, v );\n\n}\n",cube_uv_reflection_fragment:"\n#ifdef ENVMAP_TYPE_CUBE_UV\n\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\n\t// These shader functions convert between the UV coordinates of a single face of\n\t// a cubemap, the 0-5 integer index of a cube face, and the direction vector for\n\t// sampling a textureCube (not generally normalized ).\n\n\tfloat getFace( vec3 direction ) {\n\n\t\tvec3 absDirection = abs( direction );\n\n\t\tfloat face = - 1.0;\n\n\t\tif ( absDirection.x > absDirection.z ) {\n\n\t\t\tif ( absDirection.x > absDirection.y )\n\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\n\t\t\telse\n\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\n\t\t} else {\n\n\t\t\tif ( absDirection.z > absDirection.y )\n\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\n\t\t\telse\n\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\n\t\t}\n\n\t\treturn face;\n\n\t}\n\n\t// RH coordinate system; PMREM face-indexing convention\n\tvec2 getUV( vec3 direction, float face ) {\n\n\t\tvec2 uv;\n\n\t\tif ( face == 0.0 ) {\n\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x ); // pos x\n\n\t\t} else if ( face == 1.0 ) {\n\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y ); // pos y\n\n\t\t} else if ( face == 2.0 ) {\n\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z ); // pos z\n\n\t\t} else if ( face == 3.0 ) {\n\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x ); // neg x\n\n\t\t} else if ( face == 4.0 ) {\n\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y ); // neg y\n\n\t\t} else {\n\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z ); // neg z\n\n\t\t}\n\n\t\treturn 0.5 * ( uv + 1.0 );\n\n\t}\n\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\n\t\tfloat face = getFace( direction );\n\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\n\t\tfloat faceSize = exp2( mipInt );\n\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\n\t\tvec2 f = fract( uv );\n\n\t\tuv += 0.5 - f;\n\n\t\tif ( face > 2.0 ) {\n\n\t\t\tuv.y += faceSize;\n\n\t\t\tface -= 3.0;\n\n\t\t}\n\n\t\tuv.x += face * faceSize;\n\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\n\t\t}\n\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\n\t\tuv *= texelSize;\n\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.x += texelSize;\n\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.y += texelSize;\n\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.x -= texelSize;\n\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tvec3 tm = mix( tl, tr, f.x );\n\n\t\tvec3 bm = mix( bl, br, f.x );\n\n\t\treturn mix( tm, bm, f.y );\n\n\t}\n\n\t// These defines must match with PMREMGenerator\n\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\n\tfloat roughnessToMip( float roughness ) {\n\n\t\tfloat mip = 0.0;\n\n\t\tif ( roughness >= r1 ) {\n\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\n\t\t} else if ( roughness >= r4 ) {\n\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\n\t\t} else if ( roughness >= r5 ) {\n\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\n\t\t} else if ( roughness >= r6 ) {\n\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\n\t\t} else {\n\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness ); // 1.16 = 1.79^0.25\n\t\t}\n\n\t\treturn mip;\n\n\t}\n\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\n\t\tfloat mipF = fract( mip );\n\n\t\tfloat mipInt = floor( mip );\n\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\n\t\tif ( mipF == 0.0 ) {\n\n\t\t\treturn vec4( color0, 1.0 );\n\n\t\t} else {\n\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\n\t\t}\n\n\t}\n\n#endif\n",defaultnormal_vertex:"\nvec3 transformedNormal = objectNormal;\n\n#ifdef USE_INSTANCING\n\n\t// this is in lieu of a per-instance normal-matrix\n\t// shear transforms in the instance matrix are not supported\n\n\tmat3 m = mat3( instanceMatrix );\n\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\n\ttransformedNormal = m * transformedNormal;\n\n#endif\n\ntransformedNormal = normalMatrix * transformedNormal;\n\n#ifdef FLIP_SIDED\n\n\ttransformedNormal = - transformedNormal;\n\n#endif\n\n#ifdef USE_TANGENT\n\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#ifdef FLIP_SIDED\n\n\t\ttransformedTangent = - transformedTangent;\n\n\t#endif\n\n#endif\n",displacementmap_pars_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n\n#endif\n",displacementmap_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n\n#endif\n",emissivemap_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n\n#endif\n",emissivemap_pars_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tuniform sampler2D emissiveMap;\n\n#endif\n",encodings_fragment:"\ngl_FragColor = linearToOutputTexel( gl_FragColor );\n",encodings_pars_fragment:"\n// For a discussion of what this is, please read this: http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/\n\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\n\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\n\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\n\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\n\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\n\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\n\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n\t// return vec4( value.brg, ( 3.0 + 128.0 ) / 256.0 );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\n\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\n\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\t// NOTE: The implementation with min causes the shader to not compile on\n\t// a common Alcatel A502DL in Chrome 78/Android 8.1. Some research suggests \n\t// that the chipset is Mediatek MT6739 w/ IMG PowerVR GE8100 GPU.\n\t// D = min( floor( D ) / 255.0, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\n\n// LogLuv reference: http://graphicrants.blogspot.ca/2009/04/rgbm-color-encoding.html\n\n// M matrix, for encoding\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\n\n// Inverse M matrix, for decoding\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}\n",envmap_fragment:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvec3 cameraToFrag;\n\n\t\tif ( isOrthographic ) {\n\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\n\t\t}\n\n\t\t// Transforming Normal Vectors with the Inverse Transformation\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#else\n\n\t\tvec3 reflectVec = vReflect;\n\n\t#endif\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\n\t#else\n\n\t\tvec4 envColor = vec4( 0.0 );\n\n\t#endif\n\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\n\t\tenvColor = envMapTexelToLinear( envColor );\n\n\t#endif\n\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\n\t#endif\n\n#endif\n",envmap_common_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif\n",envmap_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float reflectivity;\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n\n#endif\n",envmap_pars_vertex:"\n#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\n\t#else\n\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\n\t#endif\n\n#endif\n",envmap_physical_pars_fragment:"\n#if defined( USE_ENVMAP )\n\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\n\tvec3 getLightProbeIndirectIrradiance( /*const in SpecularLightProbe specularLightProbe,*/ const in GeometricContext geometry, const in int maxMIPLevel ) {\n\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\n\t\t\t// TODO: replace with properly filtered cubemaps and access the irradiance LOD level, be it the last LOD level\n\t\t\t// of a specular cubemap, or just the default level of a specially created irradiance cubemap.\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#else\n\n\t\t\t\t// force the bias high to get the last LOD level as it is the most blurred.\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\n\t\t#else\n\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\n\t\t#endif\n\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\n\t}\n\n\t// Trowbridge-Reitz distribution to Mip level, following the logic of http://casual-effects.blogspot.ca/2011/08/plausible-environment-lighting-in-two.html\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\n\t\t// clamp to allowable LOD ranges.\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\n\t}\n\n\tvec3 getLightProbeIndirectRadiance( /*const in SpecularLightProbe specularLightProbe,*/ const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\n\t\t\t// Mixing the reflection with the normal is more accurate and keeps rough objects from gathering light from behind their tangent plane.\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\n\t\t#endif\n\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\n\t\t#endif\n\n\t\treturn envMapColor.rgb * envMapIntensity;\n\n\t}\n\n#endif\n",envmap_vertex:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvWorldPosition = worldPosition.xyz;\n\n\t#else\n\n\t\tvec3 cameraToVertex;\n\n\t\tif ( isOrthographic ) {\n\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\n\t\t}\n\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\n\t\t#else\n\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n",fog_vertex:"\n#ifdef USE_FOG\n\n\tfogDepth = - mvPosition.z;\n\n#endif\n",fog_pars_vertex:"\n#ifdef USE_FOG\n\n\tvarying float fogDepth;\n\n#endif\n",fog_fragment:"\n#ifdef USE_FOG\n\n\t#ifdef FOG_EXP2\n\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\n\t#else\n\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\n\t#endif\n\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\n#endif\n",fog_pars_fragment:"\n#ifdef USE_FOG\n\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\n\t#ifdef FOG_EXP2\n\n\t\tuniform float fogDensity;\n\n\t#else\n\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\n\t#endif\n\n#endif\n",gradientmap_pars_fragment:"\n\n#ifdef USE_GRADIENTMAP\n\n\tuniform sampler2D gradientMap;\n\n#endif\n\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\n\t// dotNL will be from -1.0 to 1.0\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\n\t#ifdef USE_GRADIENTMAP\n\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\n\t#else\n\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\n\t#endif\n\n}\n",lightmap_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; // factor of PI should not be present; included here to prevent breakage\n\n#endif\n",lightmap_pars_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n\n#endif\n",lights_lambert_vertex:"\nvec3 diffuse = vec3( 1.0 );\n\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\n\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\n\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\n\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\n\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n\n#ifdef DOUBLE_SIDED\n\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n\n#endif\n\n#if NUM_POINT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_SPOT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n/*\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\t// TODO (abelnation): implement\n\n\t}\n\n#endif\n*/\n\n#if NUM_DIR_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_HEMI_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n",lights_pars_begin:"\nuniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\n\n// get the irradiance (radiance convolved with cosine lobe) at the point 'normal' on the unit sphere\n// source: https://graphics.stanford.edu/papers/envmap/envmap.pdf\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\n\t// normal is assumed to have unit length\n\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\n\t// band 0\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\n\t// band 1\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\n\t// band 2\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\n\treturn result;\n\n}\n\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\n\treturn irradiance;\n\n}\n\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\n\tvec3 irradiance = ambientLightColor;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI;\n\n\t#endif\n\n\treturn irradiance;\n\n}\n\n#if NUM_DIR_LIGHTS > 0\n\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\n\t}\n\n#endif\n\n\n#if NUM_POINT_LIGHTS > 0\n\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\n\t}\n\n#endif\n\n\n#if NUM_SPOT_LIGHTS > 0\n\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\n\t\tif ( angleCos > spotLight.coneCos ) {\n\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\n\t\t} else {\n\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\n\t\t}\n\t}\n\n#endif\n\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\n\t// Pre-computed values of LinearTransformedCosine approximation of BRDF\n\t// BRDF approximation Texture is 64x64\n\tuniform sampler2D ltc_1; // RGBA Float\n\tuniform sampler2D ltc_2; // RGBA Float\n\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n\n#endif\n\n\n#if NUM_HEMI_LIGHTS > 0\n\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tirradiance *= PI;\n\n\t\t#endif\n\n\t\treturn irradiance;\n\n\t}\n\n#endif\n",lights_toon_fragment:"\nToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\n",lights_toon_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct ToonMaterial {\n\n\tvec3 diffuseColor;\n\n};\n\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_phong_fragment:"\nBlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",lights_phong_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct BlinnPhongMaterial {\n\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n\n};\n\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n\n}\n\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_physical_fragment:"\nPhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\n\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\n\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );// 0.0525 corresponds to the base mip of a 256 cubemap.\nmaterial.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n\n#ifdef REFLECTIVITY\n\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\n#else\n\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n\n#endif\n\n#ifdef CLEARCOAT\n\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\n\t#ifdef USE_CLEARCOATMAP\n\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\n\t#endif\n\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\n\t#endif\n\n\tmaterial.clearcoat = saturate( material.clearcoat ); // Burley clearcoat model\n\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n\n#endif\n\n#ifdef USE_SHEEN\n\n\tmaterial.sheenColor = sheen;\n\n#endif\n",lights_physical_pars_fragment:"\nstruct PhysicalMaterial {\n\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n\n};\n\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\n\n// Clear coat directional hemishperical reflectance (this approximation should be improved)\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n\n}\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight; // counterclockwise; light shines in local neg z direction\n\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\n\t\t// LTC Fresnel Approximation by Stephen Hill\n\t\t// http://blog.selfshadow.com/publications/s2016-advances/s2016_ltc_fresnel.pdf\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\n\t}\n\n#endif\n\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tccIrradiance *= PI; // punctual light\n\n\t\t#endif\n\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\n\t// Both indirect specular and indirect diffuse light accumulate here\n\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n\n// ref: https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n\n}\n",lights_fragment_begin:"\n/**\n * This is a template that can be used to light a material, it uses pluggable\n * RenderEquations (RE)for specific lighting scenarios.\n *\n * Instructions for use:\n * - Ensure that both RE_Direct, RE_IndirectDiffuse and RE_IndirectSpecular are defined\n * - If you have defined an RE_IndirectSpecular, you need to also provide a Material_LightProbeLOD. <---- ???\n * - Create a material parameter that is to be passed as the third parameter to your lighting functions.\n *\n * TODO:\n * - Add area light support.\n * - Add sphere light support.\n * - Add diffuse light probe (irradiance cubemap) support.\n */\n\nGeometricContext geometry;\n\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n\n#ifdef CLEARCOAT\n\n\tgeometry.clearcoatNormal = clearcoatNormal;\n\n#endif\n\nIncidentLight directLight;\n\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tpointLight = pointLights[ i ];\n\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tspotLight = spotLights[ i ];\n\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tdirectionalLight = directionalLights[ i ];\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\tRectAreaLight rectAreaLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if defined( RE_IndirectDiffuse )\n\n\tvec3 iblIrradiance = vec3( 0.0 );\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t#endif\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n\n#endif\n",lights_fragment_maps:"\n#if defined( RE_IndirectDiffuse )\n\n\t#ifdef USE_LIGHTMAP\n\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tlightMapIrradiance *= PI; // factor of PI should not be present; included here to prevent breakage\n\n\t\t#endif\n\n\t\tirradiance += lightMapIrradiance;\n\n\t#endif\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( /*lightProbe,*/ geometry, maxMipLevel );\n\n\t#endif\n\n#endif\n\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\n\tradiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\n\t#ifdef CLEARCOAT\n\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\n\t#endif\n\n#endif\n",lights_fragment_end:"\n#if defined( RE_IndirectDiffuse )\n\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n\n#endif\n",logdepthbuf_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\t// Doing a strict comparison with == 1.0 can cause noise artifacts\n\t// on some platforms. See issue #17623.\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n\n#endif\n",logdepthbuf_pars_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n\n#endif\n",logdepthbuf_pars_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\n\t#else\n\n\t\tuniform float logDepthBufFC;\n\n\t#endif\n\n#endif\n",logdepthbuf_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\n\t#else\n\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\n\t\t\tgl_Position.z *= gl_Position.w;\n\n\t\t}\n\n\t#endif\n\n#endif\n",map_fragment:"\n#ifdef USE_MAP\n\n\tvec4 texelColor = texture2D( map, vUv );\n\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n\n#endif\n",map_pars_fragment:"\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n",map_particle_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\n#endif\n\n#ifdef USE_MAP\n\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n\n#endif\n",map_particle_pars_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tuniform mat3 uvTransform;\n\n#endif\n\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",metalnessmap_fragment:"\nfloat metalnessFactor = metalness;\n\n#ifdef USE_METALNESSMAP\n\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\n\t// reads channel B, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tmetalnessFactor *= texelMetalness.b;\n\n#endif\n",metalnessmap_pars_fragment:"\n#ifdef USE_METALNESSMAP\n\n\tuniform sampler2D metalnessMap;\n\n#endif\n",morphnormal_vertex:"\n#ifdef USE_MORPHNORMALS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in normal = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\n#endif\n",morphtarget_pars_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\tuniform float morphTargetBaseInfluence;\n\n\t#ifndef USE_MORPHNORMALS\n\n\t\tuniform float morphTargetInfluences[ 8 ];\n\n\t#else\n\n\t\tuniform float morphTargetInfluences[ 4 ];\n\n\t#endif\n\n#endif\n",morphtarget_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in position = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\n\t#ifndef USE_MORPHNORMALS\n\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\n\t#endif\n\n#endif\n",normal_fragment_begin:"\nfloat faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n\n#ifdef FLAT_SHADED\n\n\t// Workaround for Adreno GPUs not able to do dFdx( vViewPosition )\n\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n\n#else\n\n\tvec3 normal = normalize( vNormal );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * faceDirection;\n\n\t#endif\n\n\t#ifdef USE_TANGENT\n\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\n\t\t#endif\n\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n\n// non perturbed normal for clearcoat among others\n\nvec3 geometryNormal = normal;\n\n",normal_fragment_maps:"\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; // overrides both flatShading and attribute normals\n\n\t#ifdef FLIP_SIDED\n\n\t\tnormal = - normal;\n\n\t#endif\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * faceDirection;\n\n\t#endif\n\n\tnormal = normalize( normalMatrix * normal );\n\n#elif defined( TANGENTSPACE_NORMALMAP )\n\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tnormal = normalize( vTBN * mapN );\n\n\t#else\n\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection );\n\n\t#endif\n\n#elif defined( USE_BUMPMAP )\n\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection );\n\n#endif\n",normalmap_pars_fragment:"\n#ifdef USE_NORMALMAP\n\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\n#endif\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tuniform mat3 normalMatrix;\n\n#endif\n\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\n\t// Normal Mapping Without Precomputed Tangents\n\t// http://www.thetenthplanet.de/archives/1180\n\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\n\t\tvec3 N = surf_norm; // normalized\n\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\n\t}\n\n#endif\n",clearcoat_normal_fragment_begin:"\n#ifdef CLEARCOAT\n\n\tvec3 clearcoatNormal = geometryNormal;\n\n#endif\n",clearcoat_normal_fragment_maps:"\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\n\t#else\n\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\n\t#endif\n\n#endif\n",clearcoat_pars_fragment:"\n\n#ifdef USE_CLEARCOATMAP\n\n\tuniform sampler2D clearcoatMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\tuniform sampler2D clearcoatRoughnessMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n\n#endif\n",packing:"\nvec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\n\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\n\nconst float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\n\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\n\nconst float ShiftRight8 = 1. / 256.;\n\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8; // tidy overflow\n\treturn r * PackUpscale;\n}\n\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\n\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\n\n// NOTE: viewZ/eyeZ is < 0 when in front of the camera per OpenGL conventions\n\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\n\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n",premultiplied_alpha_fragment:"\n#ifdef PREMULTIPLIED_ALPHA\n\n\t// Get get normal blending with premultipled, use with CustomBlending, OneFactor, OneMinusSrcAlphaFactor, AddEquation.\n\tgl_FragColor.rgb *= gl_FragColor.a;\n\n#endif\n",project_vertex:"\nvec4 mvPosition = vec4( transformed, 1.0 );\n\n#ifdef USE_INSTANCING\n\n\tmvPosition = instanceMatrix * mvPosition;\n\n#endif\n\nmvPosition = modelViewMatrix * mvPosition;\n\ngl_Position = projectionMatrix * mvPosition;\n",dithering_fragment:"\n#ifdef DITHERING\n\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n\n#endif\n",dithering_pars_fragment:"\n#ifdef DITHERING\n\n\t// based on https://www.shadertoy.com/view/MslGR8\n\tvec3 dithering( vec3 color ) {\n\t\t//Calculate grid position\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\n\t\t//Shift the individual colors differently, thus making it even harder to see the dithering pattern\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\n\t\t//modify shift acording to grid position.\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\n\t\t//shift the color by dither_shift\n\t\treturn color + dither_shift_RGB;\n\t}\n\n#endif\n",roughnessmap_fragment:"\nfloat roughnessFactor = roughness;\n\n#ifdef USE_ROUGHNESSMAP\n\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\n\t// reads channel G, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\troughnessFactor *= texelRoughness.g;\n\n#endif\n",roughnessmap_pars_fragment:"\n#ifdef USE_ROUGHNESSMAP\n\n\tuniform sampler2D roughnessMap;\n\n#endif\n",shadowmap_pars_fragment:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): create uniforms for area light shadows\n\n\t#endif\n\t*/\n\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\n\t}\n\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\n\t}\n\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\n\t\tfloat occlusion = 1.0;\n\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\n\t\tfloat hard_shadow = step( compare , distribution.x ); // Hard Shadow\n\n\t\tif (hard_shadow != 1.0 ) {\n\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance ); // Chebeyshevs inequality\n\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); // 0.3 reduces light bleed\n\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\n\t\t}\n\t\treturn occlusion;\n\n\t}\n\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\n\t\tfloat shadow = 1.0;\n\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\n\t\t// if ( something && something ) breaks ATI OpenGL shader compiler\n\t\t// if ( all( something, something ) ) using this instead\n\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\n\t\tbool frustumTest = all( frustumTestVec );\n\n\t\tif ( frustumTest ) {\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#else // no percentage-closer filtering:\n\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#endif\n\n\t\t}\n\n\t\treturn shadow;\n\n\t}\n\n\t// cubeToUV() maps a 3D direction vector suitable for cube texture mapping to a 2D\n\t// vector suitable for 2D texture mapping. This code uses the following layout for the\n\t// 2D texture:\n\t//\n\t// xzXZ\n\t//  y Y\n\t//\n\t// Y - Positive y direction\n\t// y - Negative y direction\n\t// X - Positive x direction\n\t// x - Negative x direction\n\t// Z - Positive z direction\n\t// z - Negative z direction\n\t//\n\t// Source and test bed:\n\t// https://gist.github.com/tschw/da10c43c467ce8afd0c4\n\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\n\t\t// Number of texels to avoid at the edge of each square\n\n\t\tvec3 absV = abs( v );\n\n\t\t// Intersect unit cube\n\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\n\t\t// Apply scale to avoid seams\n\n\t\t// two texels less per square (one texel will do for NEAREST)\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\n\t\t// Unwrap\n\n\t\t// space: -1 ... 1 range for each square\n\t\t//\n\t\t// #X##\t\tdim    := ( 4 , 2 )\n\t\t//  # #\t\tcenter := ( 1 , 1 )\n\n\t\tvec2 planar = v.xy;\n\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\n\t\tif ( absV.z >= almostOne ) {\n\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\n\t\t} else if ( absV.x >= almostOne ) {\n\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\n\t\t} else if ( absV.y >= almostOne ) {\n\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\n\t\t}\n\n\t\t// Transform to UV space\n\n\t\t// scale := 0.5 / dim\n\t\t// translate := ( center + 0.5 ) / dim\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\n\t}\n\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\n\t\t// for point lights, the uniform @vShadowCoord is re-purposed to hold\n\t\t// the vector from the light to the world-space position of the fragment.\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\n\t\t// dp = normalized distance from light to fragment position\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); // need to clamp?\n\t\tdp += shadowBias;\n\n\t\t// bd3D = base direction 3D\n\t\tvec3 bd3D = normalize( lightToPosition );\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#else // no percentage-closer filtering\n\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\n\t\t#endif\n\n\t}\n\n#endif\n",shadowmap_pars_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): uniforms for area light shadows\n\n\t#endif\n\t*/\n\n#endif\n",shadowmap_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\t// Offsetting the position used for querying occlusion along the world normal can be used to reduce shadow acne.\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\n\t#endif\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update vAreaShadowCoord with area light info\n\n\t#endif\n\t*/\n\n#endif\n",shadowmask_pars_fragment:"\nfloat getShadowMask() {\n\n\tfloat shadow = 1.0;\n\n\t#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\tDirectionalLightShadow directionalLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\tSpotLightShadow spotLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\tPointLightShadow pointLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update shadow for Area light\n\n\t#endif\n\t*/\n\n\t#endif\n\n\treturn shadow;\n\n}\n",skinbase_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n\n#endif\n",skinning_pars_vertex:"\n#ifdef USE_SKINNING\n\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\n\t#ifdef BONE_TEXTURE\n\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\n\t\t\ty = dy * ( y + 0.5 );\n\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\n\t\t\treturn bone;\n\n\t\t}\n\n\t#else\n\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\n\t\t}\n\n\t#endif\n\n#endif\n",skinning_vertex:"\n#ifdef USE_SKINNING\n\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n\n#endif\n",skinnormal_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\n\t#ifdef USE_TANGENT\n\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#endif\n\n#endif\n",specularmap_fragment:"\nfloat specularStrength;\n\n#ifdef USE_SPECULARMAP\n\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n\n#else\n\n\tspecularStrength = 1.0;\n\n#endif\n",specularmap_pars_fragment:"\n#ifdef USE_SPECULARMAP\n\n\tuniform sampler2D specularMap;\n\n#endif\n",tonemapping_fragment:"\n#if defined( TONE_MAPPING )\n\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\n#endif\n",tonemapping_pars_fragment:"\n#ifndef saturate\n// <common> may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n\nuniform float toneMappingExposure;\n\n// exposure only\nvec3 LinearToneMapping( vec3 color ) {\n\n\treturn toneMappingExposure * color;\n\n}\n\n// source: https://www.cs.utah.edu/~reinhard/cdrom/\nvec3 ReinhardToneMapping( vec3 color ) {\n\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n\n}\n\n// source: http://filmicworlds.com/blog/filmic-tonemapping-operators/\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\n\t// optimized filmic operator by Jim Hejl and Richard Burgess-Dawson\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n\n}\n\n// source: https://github.com/selfshadow/ltc_code/blob/master/webgl/shaders/ltc/ltc_blit.fs\nvec3 RRTAndODTFit( vec3 v ) {\n\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n\n}\n\n// this implementation of ACES is modified to accommodate a brighter viewing environment.\n// the scale factor of 1/0.6 is subjective. see discussion in #19621.\n\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\n\t// sRGB => XYZ => D65_2_D60 => AP1 => RRT_SAT\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ), // transposed from source\n\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\n\t// ODT_SAT => XYZ => D60_2_D65 => sRGB\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ), // transposed from source\n\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\n\tcolor *= toneMappingExposure / 0.6;\n\n\tcolor = ACESInputMat * color;\n\n\t// Apply RRT and ODT\n\tcolor = RRTAndODTFit( color );\n\n\tcolor = ACESOutputMat * color;\n\n\t// Clamp to [0, 1]\n\treturn saturate( color );\n\n}\n\nvec3 CustomToneMapping( vec3 color ) { return color; }\n",transmissionmap_fragment:"\n#ifdef USE_TRANSMISSIONMAP\n\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n\n#endif\n",transmissionmap_pars_fragment:"\n#ifdef USE_TRANSMISSIONMAP\n\n\tuniform sampler2D transmissionMap;\n\n#endif\n",uv_pars_fragment:"\n#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\n\tvarying vec2 vUv;\n\n#endif\n",uv_pars_vertex:"\n#ifdef USE_UV\n\n\t#ifdef UVS_VERTEX_ONLY\n\n\t\tvec2 vUv;\n\n\t#else\n\n\t\tvarying vec2 vUv;\n\n\t#endif\n\n\tuniform mat3 uvTransform;\n\n#endif\n",uv_vertex:"\n#ifdef USE_UV\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n#endif\n",uv2_pars_fragment:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvarying vec2 vUv2;\n\n#endif\n",uv2_pars_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\n\tuniform mat3 uv2Transform;\n\n#endif\n",uv2_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n\n#endif\n",worldpos_vertex:"\n#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\n\t#ifdef USE_INSTANCING\n\n\t\tworldPosition = instanceMatrix * worldPosition;\n\n\t#endif\n\n\tworldPosition = modelMatrix * worldPosition;\n\n#endif\n",background_frag:"\nuniform sampler2D t2D;\n\nvarying vec2 vUv;\n\nvoid main() {\n\n\tvec4 texColor = texture2D( t2D, vUv );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",background_vert:"\nvarying vec2 vUv;\nuniform mat3 uvTransform;\n\nvoid main() {\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n\n}\n",cube_frag:"\n#include <envmap_common_pars_fragment>\nuniform float opacity;\n\nvarying vec3 vWorldDirection;\n\n#include <cube_uv_reflection_fragment>\n\nvoid main() {\n\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",cube_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n\tgl_Position.z = gl_Position.w; // set z to camera.far\n\n}\n",depth_frag:"\n#if DEPTH_PACKING == 3200\n\n\tuniform float opacity;\n\n#endif\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tdiffuseColor.a = opacity;\n\n\t#endif\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\t#include <logdepthbuf_fragment>\n\n\t// Higher precision equivalent of gl_FragCoord.z. This assumes depthRange has been left to its default values.\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\n\t#elif DEPTH_PACKING == 3201\n\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\n\t#endif\n\n}\n",depth_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\n// This is used for computing an equivalent of gl_FragCoord.z that is as high precision as possible.\n// Some platforms compute gl_FragCoord at a lower precision which makes the manually computed value better for\n// depth-based postprocessing effects. Reproduced on iPad with A10 processor / iPadOS 13.3.1.\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvHighPrecisionZW = gl_Position.zw;\n\n}\n",distanceRGBA_frag:"\n#define DISTANCE\n\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main () {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist ); // clamp to [ 0, 1 ]\n\n\tgl_FragColor = packDepthToRGBA( dist );\n\n}\n",distanceRGBA_vert:"\n#define DISTANCE\n\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvWorldPosition = worldPosition.xyz;\n\n}\n",equirect_frag:"\nuniform sampler2D tEquirect;\n\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvec3 direction = normalize( vWorldDirection );\n\n\tvec2 sampleUV = equirectUv( direction );\n\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",equirect_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n}\n",linedashed_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\nuniform float dashSize;\nuniform float totalSize;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\n\t\tdiscard;\n\n\t}\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\n\toutgoingLight = diffuseColor.rgb; // simple shader\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\n}\n",linedashed_vert:"\nuniform float scale;\nattribute float lineDistance;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\tvLineDistance = scale * lineDistance;\n\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n",meshbasic_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\n\t// accumulation (baked indirect lighting only)\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\n\t#endif\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshbasic_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_ENVMAP\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshlambert_frag:"\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\n\t#endif\n\n\t#include <lightmap_fragment>\n\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\n\t#else\n\n\t\treflectedLight.directDiffuse = vLightFront;\n\n\t#endif\n\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\n\t// modulation\n\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n",meshlambert_vert:"\n#define LAMBERT\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",meshmatcap_frag:"\n#define MATCAP\n\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; // 0.495 to remove artifacts caused by undersized matcap disks\n\n\t#ifdef USE_MATCAP\n\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\n\t#else\n\n\t\tvec4 matcapColor = vec4( 1.0 );\n\n\t#endif\n\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshmatcap_vert:"\n#define MATCAP\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\t\tvNormal = normalize( transformedNormal );\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n}\n",meshtoon_frag:"\n#define TOON\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshtoon_vert:"\n#define TOON\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshphong_frag:"\n#define PHONG\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphong_vert:"\n#define PHONG\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshphysical_frag:"\n#define STANDARD\n\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <transmissionmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <transmissionmap_fragment>\n\n\t// accumulation\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t// this is a stub for the transmission model\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphysical_vert:"\n#define STANDARD\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",normal_frag:"\n#define NORMAL\n\nuniform float opacity;\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\n}\n",normal_vert:"\n#define NORMAL\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvViewPosition = - mvPosition.xyz;\n\n#endif\n\n}\n",points_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\n}\n",points_vert:"\nuniform float size;\nuniform float scale;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\n\tgl_PointSize = size;\n\n\t#ifdef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\n\t#endif\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n\n}\n",shadow_frag:"\nuniform vec3 color;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n\nvoid main() {\n\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",shadow_vert:"\n#include <common>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\n\nvoid main() {\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",sprite_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",sprite_vert:"\nuniform float rotation;\nuniform vec2 center;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\n\t#ifndef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\n\t#endif\n\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\n\tmvPosition.xy += rotatedPosition;\n\n\tgl_Position = projectionMatrix * mvPosition;\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n"},rn={common:{diffuse:{value:new _e(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new S},uv2Transform:{value:new S},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new E(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new _e(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new _e(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},uvTransform:{value:new S}},sprite:{diffuse:{value:new _e(15658734)},opacity:{value:1},center:{value:new E(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new S}}},an={basic:{uniforms:ft([rn.common,rn.specularmap,rn.envmap,rn.aomap,rn.lightmap,rn.fog]),vertexShader:nn.meshbasic_vert,fragmentShader:nn.meshbasic_frag},lambert:{uniforms:ft([rn.common,rn.specularmap,rn.envmap,rn.aomap,rn.lightmap,rn.emissivemap,rn.fog,rn.lights,{emissive:{value:new _e(0)}}]),vertexShader:nn.meshlambert_vert,fragmentShader:nn.meshlambert_frag},phong:{uniforms:ft([rn.common,rn.specularmap,rn.envmap,rn.aomap,rn.lightmap,rn.emissivemap,rn.bumpmap,rn.normalmap,rn.displacementmap,rn.fog,rn.lights,{emissive:{value:new _e(0)},specular:{value:new _e(1118481)},shininess:{value:30}}]),vertexShader:nn.meshphong_vert,fragmentShader:nn.meshphong_frag},standard:{uniforms:ft([rn.common,rn.envmap,rn.aomap,rn.lightmap,rn.emissivemap,rn.bumpmap,rn.normalmap,rn.displacementmap,rn.roughnessmap,rn.metalnessmap,rn.fog,rn.lights,{emissive:{value:new _e(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:nn.meshphysical_vert,fragmentShader:nn.meshphysical_frag},toon:{uniforms:ft([rn.common,rn.aomap,rn.lightmap,rn.emissivemap,rn.bumpmap,rn.normalmap,rn.displacementmap,rn.gradientmap,rn.fog,rn.lights,{emissive:{value:new 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n=c.attributes,i=e.attributes;let r=0;for(const e in i){const t=n[e],a=i[e];if(void 0===t)return!0;if(t.attribute!==a)return!0;if(t.data!==a.data)return!0;r++}return c.attributesNum!==r||c.index!==t}(y,x),_&&function(e,t){const n={},i=e.attributes;let r=0;for(const e in i){const t=i[e],a={};a.attribute=t,t.data&&(a.data=t.data),n[e]=a,r++}c.attributes=n,c.attributesNum=r,c.index=t}(y,x)}else{const e=!0===l.wireframe;c.geometry===y.id&&c.program===h.id&&c.wireframe===e||(c.geometry=y.id,c.program=h.id,c.wireframe=e,_=!0)}!0===r.isInstancedMesh&&(_=!0),null!==x&&n.update(x,e.ELEMENT_ARRAY_BUFFER),_&&(function(r,a,o,s){if(!1===i.isWebGL2&&(r.isInstancedMesh||s.isInstancedBufferGeometry)&&null===t.get("ANGLE_instanced_arrays"))return;p();const l=s.attributes,c=o.getAttributes(),u=a.defaultAttributeValues;for(const t in c){const i=c[t];if(i>=0){const a=l[t];if(void 0!==a){const t=a.normalized,r=a.itemSize,o=n.get(a);if(void 0===o)continue;const 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ln(e,t,n,i){const r=i.isWebGL2;let a;this.setMode=function(e){a=e},this.render=function(t,i){e.drawArrays(a,t,i),n.update(i,a,1)},this.renderInstances=function(i,o,s){if(0===s)return;let l,c;if(r)l=e,c="drawArraysInstanced";else if(l=t.get("ANGLE_instanced_arrays"),c="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[c](a,i,o,s),n.update(o,a,s)}}function cn(e,t,n){let i;function r(t){if("highp"===t){if(e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.HIGH_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0)return"highp";t="mediump"}return"mediump"===t&&e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.MEDIUM_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}const a="undefined"!=typeof WebGL2RenderingContext&&e instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&e instanceof WebGL2ComputeRenderingContext;let o=void 0!==n.precision?n.precision:"highp";const s=r(o);s!==o&&(console.warn("THREE.WebGLRenderer:",o,"not supported, using",s,"instead."),o=s);const l=!0===n.logarithmicDepthBuffer,c=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),u=e.getParameter(e.MAX_VERTEX_TEXTURE_IMAGE_UNITS),h=e.getParameter(e.MAX_TEXTURE_SIZE),d=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),p=e.getParameter(e.MAX_VERTEX_ATTRIBS),f=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),m=e.getParameter(e.MAX_VARYING_VECTORS),g=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),v=u>0,y=a||t.has("OES_texture_float");return{isWebGL2:a,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===t.has("EXT_texture_filter_anisotropic")){const n=t.get("EXT_texture_filter_anisotropic");i=e.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:o,logarithmicDepthBuffer:l,maxTextures:c,maxVertexTextures:u,maxTextureSize:h,maxCubemapSize:d,maxAttributes:p,maxVertexUniforms:f,maxVaryings:m,maxFragmentUniforms:g,vertexTextures:v,floatFragmentTextures:y,floatVertexTextures:v&&y,maxSamples:a?e.getParameter(e.MAX_SAMPLES):0}}function un(e){const t=this;let n=null,i=0,r=!1,a=!1;const o=new te,s=new S,l={value:null,needsUpdate:!1};function c(){l.value!==n&&(l.value=n,l.needsUpdate=i>0),t.numPlanes=i,t.numIntersection=0}function u(e,n,i,r){const a=null!==e?e.length:0;let c=null;if(0!==a){if(c=l.value,!0!==r||null===c){const t=i+4*a,r=n.matrixWorldInverse;s.getNormalMatrix(r),(null===c||c.length<t)&&(c=new Float32Array(t));for(let t=0,n=i;t!==a;++t,n+=4)o.copy(e[t]).applyMatrix4(r,s),o.normal.toArray(c,n),c[n+3]=o.constant}l.value=c,l.needsUpdate=!0}return t.numPlanes=a,t.numIntersection=0,c}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(e,t,a){const o=0!==e.length||t||0!==i||r;return r=t,n=u(e,a,0),i=e.length,o},this.beginShadows=function(){a=!0,u(null)},this.endShadows=function(){a=!1,c()},this.setState=function(t,o,s){const h=t.clippingPlanes,d=t.clipIntersection,p=t.clipShadows,f=e.get(t);if(!r||null===h||0===h.length||a&&!p)a?u(null):c();else{const e=a?0:i,t=4*e;let r=f.clippingState||null;l.value=r,r=u(h,o,t,s);for(let e=0;e!==t;++e)r[e]=n[e];f.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=e}}}an.physical={uniforms:ft([an.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new E(1,1)},clearcoatNormalMap:{value:null},sheen:{value:new _e(0)},transmission:{value:0},transmissionMap:{value:null}}]),vertexShader:nn.meshphysical_vert,fragmentShader:nn.meshphysical_frag};class hn extends M{constructor(e,t,n){super(),this.width=e,this.height=t,this.depth=1,this.scissor=new pe(0,0,e,t),this.scissorTest=!1,this.viewport=new pe(0,0,e,t),n=n||{},this.texture=new A(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.image={},this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:s,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null}setTexture(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}setSize(e,t,n=1){this.width===e&&this.height===t&&this.depth===n||(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}function dn(){$e.call(this),this.type="Camera",this.matrixWorldInverse=new ae,this.projectionMatrix=new ae,this.projectionMatrixInverse=new ae}function pn(e=50,t=1,n=.1,i=2e3){dn.call(this),this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}hn.prototype.isWebGLRenderTarget=!0,dn.prototype=Object.assign(Object.create($e.prototype),{constructor:dn,isCamera:!0,copy:function(e,t){return $e.prototype.copy.call(this,e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),e=new D),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()},updateMatrixWorld:function(e){$e.prototype.updateMatrixWorld.call(this,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()},updateWorldMatrix:function(e,t){$e.prototype.updateWorldMatrix.call(this,e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()},clone:function(){return(new this.constructor).copy(this)}}),pn.prototype=Object.assign(Object.create(dn.prototype),{constructor:pn,isPerspectiveCamera:!0,copy:function(e,t){return dn.prototype.copy.call(this,e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this},setFocalLength:function(e){const t=.5*this.getFilmHeight()/e;this.fov=2*w.RAD2DEG*Math.atan(t),this.updateProjectionMatrix()},getFocalLength:function(){const e=Math.tan(.5*w.DEG2RAD*this.fov);return.5*this.getFilmHeight()/e},getEffectiveFOV:function(){return 2*w.RAD2DEG*Math.atan(Math.tan(.5*w.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(e,t,n,i,r,a){this.aspect=e/t,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){const e=this.near;let t=e*Math.tan(.5*w.DEG2RAD*this.fov)/this.zoom,n=2*t,i=this.aspect*n,r=-.5*i;const a=this.view;if(null!==this.view&&this.view.enabled){const e=a.fullWidth,o=a.fullHeight;r+=a.offsetX*i/e,t-=a.offsetY*n/o,i*=a.width/e,n*=a.height/o}const o=this.filmOffset;0!==o&&(r+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()},toJSON:function(e){const t=$e.prototype.toJSON.call(this,e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}});const fn=90;class mn extends $e{constructor(e,t,n){if(super(),this.type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=n;const i=new pn(fn,1,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new D(1,0,0)),this.add(i);const r=new pn(fn,1,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new D(-1,0,0)),this.add(r);const a=new pn(fn,1,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new D(0,1,0)),this.add(a);const o=new pn(fn,1,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new D(0,-1,0)),this.add(o);const s=new pn(fn,1,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new D(0,0,1)),this.add(s);const l=new pn(fn,1,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new D(0,0,-1)),this.add(l)}update(e,t){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[i,r,a,o,s,l]=this.children,c=e.xr.enabled,u=e.getRenderTarget();e.xr.enabled=!1;const h=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,r),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,s),n.texture.generateMipmaps=h,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(u),e.xr.enabled=c}}class gn extends A{constructor(e,t,n,i,r,a,o,s,l,c){super(e=void 0!==e?e:[],t=void 0!==t?t:301,n,i,r,a,o=void 0!==o?o:p,s,l,c),this._needsFlipEnvMap=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}gn.prototype.isCubeTexture=!0;class vn extends hn{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n),super(e,e,t),t=t||{},this.texture=new gn(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:s,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=f,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={tEquirect:{value:null}},i="\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",r="\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t",a=new ct(5,5,5),o=new gt({name:"CubemapFromEquirect",uniforms:pt(n),vertexShader:i,fragmentShader:r,side:1,blending:0});o.uniforms.tEquirect.value=t;const l=new en(a,o),c=t.minFilter;return 1008===t.minFilter&&(t.minFilter=s),new mn(1,10,this).update(e,l),t.minFilter=c,l.geometry.dispose(),l.material.dispose(),this}clear(e,t,n,i){const r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,n,i);e.setRenderTarget(r)}}function yn(e){let t=new WeakMap;function n(e,t){return 303===t?e.mapping=301:304===t&&(e.mapping=302),e}function i(e){const n=e.target;n.removeEventListener("dispose",i);const r=t.get(n);void 0!==r&&(t.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const a=r.mapping;if(303===a||304===a){if(t.has(r))return n(t.get(r).texture,r.mapping);{const a=r.image;if(a&&a.height>0){const o=e.getRenderTarget(),s=new vn(a.height/2);return s.fromEquirectangularTexture(e,r),t.set(r,s),e.setRenderTarget(o),r.addEventListener("dispose",i),n(s.texture,r.mapping)}return null}}}return r},dispose:function(){t=new WeakMap}}}function xn(e){const t={};function n(n){if(void 0!==t[n])return t[n];let i;switch(n){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(n)}return t[n]=i,i}return{has:function(e){return null!==n(e)},init:function(e){e.isWebGL2?n("EXT_color_buffer_float"):(n("WEBGL_depth_texture"),n("OES_texture_float"),n("OES_texture_half_float"),n("OES_texture_half_float_linear"),n("OES_standard_derivatives"),n("OES_element_index_uint"),n("OES_vertex_array_object"),n("ANGLE_instanced_arrays")),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float")},get:function(e){const t=n(e);return null===t&&console.warn("THREE.WebGLRenderer: "+e+" extension not supported."),t}}}function _n(e,t,n,i){const r={},a=new WeakMap;function o(e){const s=e.target;null!==s.index&&t.remove(s.index);for(const e in s.attributes)t.remove(s.attributes[e]);s.removeEventListener("dispose",o),delete r[s.id];const l=a.get(s);l&&(t.remove(l),a.delete(s)),i.releaseStatesOfGeometry(s),!0===s.isInstancedBufferGeometry&&delete s._maxInstanceCount,n.memory.geometries--}function s(e){const n=[],i=e.index,r=e.attributes.position;let o=0;if(null!==i){const e=i.array;o=i.version;for(let t=0,i=e.length;t<i;t+=3){const i=e[t+0],r=e[t+1],a=e[t+2];n.push(i,r,r,a,a,i)}}else{const e=r.array;o=r.version;for(let t=0,i=e.length/3-1;t<i;t+=3){const e=t+0,i=t+1,r=t+2;n.push(e,i,i,r,r,e)}}const s=new(et(n)>65535?De:Pe)(n,1);s.version=o;const l=a.get(e);l&&t.remove(l),a.set(e,s)}return{get:function(e,t){return!0===r[t.id]||(t.addEventListener("dispose",o),r[t.id]=!0,n.memory.geometries++),t},update:function(n){const i=n.attributes;for(const n in i)t.update(i[n],e.ARRAY_BUFFER);const r=n.morphAttributes;for(const n in r){const i=r[n];for(let n=0,r=i.length;n<r;n++)t.update(i[n],e.ARRAY_BUFFER)}},getWireframeAttribute:function(e){const t=a.get(e);if(t){const n=e.index;null!==n&&t.version<n.version&&s(e)}else s(e);return a.get(e)}}}function bn(e,t,n,i){const r=i.isWebGL2;let a,o,s;this.setMode=function(e){a=e},this.setIndex=function(e){o=e.type,s=e.bytesPerElement},this.render=function(t,i){e.drawElements(a,i,o,t*s),n.update(i,a,1)},this.renderInstances=function(i,l,c){if(0===c)return;let u,h;if(r)u=e,h="drawElementsInstanced";else if(u=t.get("ANGLE_instanced_arrays"),h="drawElementsInstancedANGLE",null===u)return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");u[h](a,l,o,i*s,c),n.update(l,a,c)}}function wn(e){const t={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:t,programs:null,autoReset:!0,reset:function(){t.frame++,t.calls=0,t.triangles=0,t.points=0,t.lines=0},update:function(n,i,r){switch(t.calls++,i){case e.TRIANGLES:t.triangles+=r*(n/3);break;case e.LINES:t.lines+=r*(n/2);break;case e.LINE_STRIP:t.lines+=r*(n-1);break;case e.LINE_LOOP:t.lines+=r*n;break;case e.POINTS:t.points+=r*n;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",i)}}}}function Mn(e,t){return e[0]-t[0]}function En(e,t){return Math.abs(t[1])-Math.abs(e[1])}function Sn(e){const t={},n=new Float32Array(8),i=[];for(let e=0;e<8;e++)i[e]=[e,0];return{update:function(r,a,o,s){const l=r.morphTargetInfluences,c=void 0===l?0:l.length;let u=t[a.id];if(void 0===u){u=[];for(let e=0;e<c;e++)u[e]=[e,0];t[a.id]=u}for(let e=0;e<c;e++){const t=u[e];t[0]=e,t[1]=l[e]}u.sort(En);for(let e=0;e<8;e++)e<c&&u[e][1]?(i[e][0]=u[e][0],i[e][1]=u[e][1]):(i[e][0]=Number.MAX_SAFE_INTEGER,i[e][1]=0);i.sort(Mn);const h=o.morphTargets&&a.morphAttributes.position,d=o.morphNormals&&a.morphAttributes.normal;let p=0;for(let e=0;e<8;e++){const t=i[e],r=t[0],o=t[1];r!==Number.MAX_SAFE_INTEGER&&o?(h&&a.getAttribute("morphTarget"+e)!==h[r]&&a.setAttribute("morphTarget"+e,h[r]),d&&a.getAttribute("morphNormal"+e)!==d[r]&&a.setAttribute("morphNormal"+e,d[r]),n[e]=o,p+=o):(h&&!0===a.hasAttribute("morphTarget"+e)&&a.deleteAttribute("morphTarget"+e),d&&!0===a.hasAttribute("morphNormal"+e)&&a.deleteAttribute("morphNormal"+e),n[e]=0)}const f=a.morphTargetsRelative?1:1-p;s.getUniforms().setValue(e,"morphTargetBaseInfluence",f),s.getUniforms().setValue(e,"morphTargetInfluences",n)}}}function Tn(e,t,n,i){let r=new WeakMap;function a(e){const t=e.target;t.removeEventListener("dispose",a),n.remove(t.instanceMatrix),null!==t.instanceColor&&n.remove(t.instanceColor)}return{update:function(o){const s=i.render.frame,l=o.geometry,c=t.get(o,l);return r.get(c)!==s&&(t.update(c),r.set(c,s)),o.isInstancedMesh&&(!1===o.hasEventListener("dispose",a)&&o.addEventListener("dispose",a),n.update(o.instanceMatrix,e.ARRAY_BUFFER),null!==o.instanceColor&&n.update(o.instanceColor,e.ARRAY_BUFFER)),c},dispose:function(){r=new WeakMap}}}vn.prototype.isWebGLCubeRenderTarget=!0;class Ln extends A{constructor(e=null,t=1,n=1,i=1){super(null),this.image={data:e,width:t,height:n,depth:i},this.magFilter=o,this.minFilter=o,this.wrapR=r,this.generateMipmaps=!1,this.flipY=!1,this.needsUpdate=!0}}Ln.prototype.isDataTexture2DArray=!0;class An extends A{constructor(e=null,t=1,n=1,i=1){super(null),this.image={data:e,width:t,height:n,depth:i},this.magFilter=o,this.minFilter=o,this.wrapR=r,this.generateMipmaps=!1,this.flipY=!1,this.needsUpdate=!0}}An.prototype.isDataTexture3D=!0;const Rn=new A,Pn=new Ln,Cn=new An,Dn=new gn,Nn=[],In=[],On=new Float32Array(16),zn=new Float32Array(9),Fn=new Float32Array(4);function Un(e,t,n){const i=e[0];if(i<=0||i>0)return e;const r=t*n;let a=Nn[r];if(void 0===a&&(a=new Float32Array(r),Nn[r]=a),0!==t){i.toArray(a,0);for(let i=1,r=0;i!==t;++i)r+=n,e[i].toArray(a,r)}return a}function kn(e,t){if(e.length!==t.length)return!1;for(let n=0,i=e.length;n<i;n++)if(e[n]!==t[n])return!1;return!0}function Bn(e,t){for(let n=0,i=t.length;n<i;n++)e[n]=t[n]}function Hn(e,t){let n=In[t];void 0===n&&(n=new Int32Array(t),In[t]=n);for(let i=0;i!==t;++i)n[i]=e.allocateTextureUnit();return n}function Gn(e,t){const n=this.cache;n[0]!==t&&(e.uniform1f(this.addr,t),n[0]=t)}function Vn(e,t){const n=this.cache;if(void 0!==t.x)n[0]===t.x&&n[1]===t.y||(e.uniform2f(this.addr,t.x,t.y),n[0]=t.x,n[1]=t.y);else{if(kn(n,t))return;e.uniform2fv(this.addr,t),Bn(n,t)}}function Wn(e,t){const n=this.cache;if(void 0!==t.x)n[0]===t.x&&n[1]===t.y&&n[2]===t.z||(e.uniform3f(this.addr,t.x,t.y,t.z),n[0]=t.x,n[1]=t.y,n[2]=t.z);else if(void 0!==t.r)n[0]===t.r&&n[1]===t.g&&n[2]===t.b||(e.uniform3f(this.addr,t.r,t.g,t.b),n[0]=t.r,n[1]=t.g,n[2]=t.b);else{if(kn(n,t))return;e.uniform3fv(this.addr,t),Bn(n,t)}}function jn(e,t){const n=this.cache;if(void 0!==t.x)n[0]===t.x&&n[1]===t.y&&n[2]===t.z&&n[3]===t.w||(e.uniform4f(this.addr,t.x,t.y,t.z,t.w),n[0]=t.x,n[1]=t.y,n[2]=t.z,n[3]=t.w);else{if(kn(n,t))return;e.uniform4fv(this.addr,t),Bn(n,t)}}function Xn(e,t){const n=this.cache,i=t.elements;if(void 0===i){if(kn(n,t))return;e.uniformMatrix2fv(this.addr,!1,t),Bn(n,t)}else{if(kn(n,i))return;Fn.set(i),e.uniformMatrix2fv(this.addr,!1,Fn),Bn(n,i)}}function qn(e,t){const n=this.cache,i=t.elements;if(void 0===i){if(kn(n,t))return;e.uniformMatrix3fv(this.addr,!1,t),Bn(n,t)}else{if(kn(n,i))return;zn.set(i),e.uniformMatrix3fv(this.addr,!1,zn),Bn(n,i)}}function Yn(e,t){const n=this.cache,i=t.elements;if(void 0===i){if(kn(n,t))return;e.uniformMatrix4fv(this.addr,!1,t),Bn(n,t)}else{if(kn(n,i))return;On.set(i),e.uniformMatrix4fv(this.addr,!1,On),Bn(n,i)}}function Zn(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.safeSetTexture2D(t||Rn,r)}function Jn(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTexture2DArray(t||Pn,r)}function Qn(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTexture3D(t||Cn,r)}function Kn(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.safeSetTextureCube(t||Dn,r)}function $n(e,t){const n=this.cache;n[0]!==t&&(e.uniform1i(this.addr,t),n[0]=t)}function ei(e,t){const n=this.cache;kn(n,t)||(e.uniform2iv(this.addr,t),Bn(n,t))}function ti(e,t){const n=this.cache;kn(n,t)||(e.uniform3iv(this.addr,t),Bn(n,t))}function ni(e,t){const n=this.cache;kn(n,t)||(e.uniform4iv(this.addr,t),Bn(n,t))}function ii(e,t){const n=this.cache;n[0]!==t&&(e.uniform1ui(this.addr,t),n[0]=t)}function ri(e,t){e.uniform1fv(this.addr,t)}function ai(e,t){e.uniform1iv(this.addr,t)}function oi(e,t){e.uniform2iv(this.addr,t)}function si(e,t){e.uniform3iv(this.addr,t)}function li(e,t){e.uniform4iv(this.addr,t)}function ci(e,t){const n=Un(t,this.size,2);e.uniform2fv(this.addr,n)}function ui(e,t){const n=Un(t,this.size,3);e.uniform3fv(this.addr,n)}function hi(e,t){const n=Un(t,this.size,4);e.uniform4fv(this.addr,n)}function di(e,t){const n=Un(t,this.size,4);e.uniformMatrix2fv(this.addr,!1,n)}function pi(e,t){const n=Un(t,this.size,9);e.uniformMatrix3fv(this.addr,!1,n)}function fi(e,t){const n=Un(t,this.size,16);e.uniformMatrix4fv(this.addr,!1,n)}function mi(e,t,n){const 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0!==r.depthPacking&&r.depthPacking,index0AttributeName:r.index0AttributeName,extensionDerivatives:r.extensions&&r.extensions.derivatives,extensionFragDepth:r.extensions&&r.extensions.fragDepth,extensionDrawBuffers:r.extensions&&r.extensions.drawBuffers,extensionShaderTextureLOD:r.extensions&&r.extensions.shaderTextureLOD,rendererExtensionFragDepth:s||n.has("EXT_frag_depth"),rendererExtensionDrawBuffers:s||n.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:s||n.has("EXT_shader_texture_lod"),customProgramCacheKey:r.customProgramCacheKey()}},getProgramCacheKey:function(t){const n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.fragmentShader),n.push(t.vertexShader)),void 0!==t.defines)for(const e in t.defines)n.push(e),n.push(t.defines[e]);if(!1===t.isRawShaderMaterial){for(let e=0;e<f.length;e++)n.push(t[f[e]]);n.push(e.outputEncoding),n.push(e.gammaFactor)}return n.push(t.customProgramCacheKey),n.join()},getUniforms:function(e){const t=p[e.type];let n;if(t){const e=an[t];n=mt.clone(e.uniforms)}else n=e.uniforms;return n},acquireProgram:function(t,n){let i;for(let e=0,t=o.length;e<t;e++){const t=o[e];if(t.cacheKey===n){i=t,++i.usedTimes;break}}return void 0===i&&(i=new Vi(e,n,t,r),o.push(i)),i},releaseProgram:function(e){if(0==--e.usedTimes){const t=o.indexOf(e);o[t]=o[o.length-1],o.pop(),e.destroy()}},programs:o}}function ji(){let e=new WeakMap;return{get:function(t){let n=e.get(t);return void 0===n&&(n={},e.set(t,n)),n},remove:function(t){e.delete(t)},update:function(t,n,i){e.get(t)[n]=i},dispose:function(){e=new WeakMap}}}function Xi(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.program!==t.program?e.program.id-t.program.id:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function qi(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Yi(e){const t=[];let n=0;const i=[],r=[],a={id:-1};function o(i,r,o,s,l,c){let u=t[n];const h=e.get(o);return void 0===u?(u={id:i.id,object:i,geometry:r,material:o,program:h.program||a,groupOrder:s,renderOrder:i.renderOrder,z:l,group:c},t[n]=u):(u.id=i.id,u.object=i,u.geometry=r,u.material=o,u.program=h.program||a,u.groupOrder=s,u.renderOrder=i.renderOrder,u.z=l,u.group=c),n++,u}return{opaque:i,transparent:r,init:function(){n=0,i.length=0,r.length=0},push:function(e,t,n,a,s,l){const c=o(e,t,n,a,s,l);(!0===n.transparent?r:i).push(c)},unshift:function(e,t,n,a,s,l){const c=o(e,t,n,a,s,l);(!0===n.transparent?r:i).unshift(c)},finish:function(){for(let e=n,i=t.length;e<i;e++){const n=t[e];if(null===n.id)break;n.id=null,n.object=null,n.geometry=null,n.material=null,n.program=null,n.group=null}},sort:function(e,t){i.length>1&&i.sort(e||Xi),r.length>1&&r.sort(t||qi)}}}function Zi(e){let t=new WeakMap;return{get:function(n,i){let r;return!1===t.has(n)?(r=new Yi(e),t.set(n,[r])):i>=t.get(n).length?(r=new Yi(e),t.get(n).push(r)):r=t.get(n)[i],r},dispose:function(){t=new WeakMap}}}function Ji(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":n={direction:new D,color:new _e};break;case"SpotLight":n={position:new D,direction:new D,color:new _e,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new D,color:new _e,distance:0,decay:0};break;case"HemisphereLight":n={direction:new D,skyColor:new _e,groundColor:new _e};break;case"RectAreaLight":n={color:new _e,position:new D,halfWidth:new D,halfHeight:new D}}return e[t.id]=n,n}}}let Qi=0;function Ki(e,t){return(t.castShadow?1:0)-(e.castShadow?1:0)}function $i(e,t){const n=new Ji,i=function(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new E};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new E,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let e=0;e<9;e++)r.probe.push(new D);const a=new D,o=new ae,s=new ae;return{setup:function(a){let o=0,s=0,l=0;for(let e=0;e<9;e++)r.probe[e].set(0,0,0);let c=0,u=0,h=0,d=0,p=0,f=0,m=0,g=0;a.sort(Ki);for(let e=0,t=a.length;e<t;e++){const t=a[e],v=t.color,y=t.intensity,x=t.distance,_=t.shadow&&t.shadow.map?t.shadow.map.texture:null;if(t.isAmbientLight)o+=v.r*y,s+=v.g*y,l+=v.b*y;else if(t.isLightProbe)for(let e=0;e<9;e++)r.probe[e].addScaledVector(t.sh.coefficients[e],y);else if(t.isDirectionalLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,r.directionalShadow[c]=n,r.directionalShadowMap[c]=_,r.directionalShadowMatrix[c]=t.shadow.matrix,f++}r.directional[c]=e,c++}else if(t.isSpotLight){const e=n.get(t);if(e.position.setFromMatrixPosition(t.matrixWorld),e.color.copy(v).multiplyScalar(y),e.distance=x,e.coneCos=Math.cos(t.angle),e.penumbraCos=Math.cos(t.angle*(1-t.penumbra)),e.decay=t.decay,t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,r.spotShadow[h]=n,r.spotShadowMap[h]=_,r.spotShadowMatrix[h]=t.shadow.matrix,g++}r.spot[h]=e,h++}else if(t.isRectAreaLight){const e=n.get(t);e.color.copy(v).multiplyScalar(y),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),r.rectArea[d]=e,d++}else if(t.isPointLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),e.distance=t.distance,e.decay=t.decay,t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,n.shadowCameraNear=e.camera.near,n.shadowCameraFar=e.camera.far,r.pointShadow[u]=n,r.pointShadowMap[u]=_,r.pointShadowMatrix[u]=t.shadow.matrix,m++}r.point[u]=e,u++}else if(t.isHemisphereLight){const e=n.get(t);e.skyColor.copy(t.color).multiplyScalar(y),e.groundColor.copy(t.groundColor).multiplyScalar(y),r.hemi[p]=e,p++}}d>0&&(t.isWebGL2||!0===e.has("OES_texture_float_linear")?(r.rectAreaLTC1=rn.LTC_FLOAT_1,r.rectAreaLTC2=rn.LTC_FLOAT_2):!0===e.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=rn.LTC_HALF_1,r.rectAreaLTC2=rn.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=s,r.ambient[2]=l;const v=r.hash;v.directionalLength===c&&v.pointLength===u&&v.spotLength===h&&v.rectAreaLength===d&&v.hemiLength===p&&v.numDirectionalShadows===f&&v.numPointShadows===m&&v.numSpotShadows===g||(r.directional.length=c,r.spot.length=h,r.rectArea.length=d,r.point.length=u,r.hemi.length=p,r.directionalShadow.length=f,r.directionalShadowMap.length=f,r.pointShadow.length=m,r.pointShadowMap.length=m,r.spotShadow.length=g,r.spotShadowMap.length=g,r.directionalShadowMatrix.length=f,r.pointShadowMatrix.length=m,r.spotShadowMatrix.length=g,v.directionalLength=c,v.pointLength=u,v.spotLength=h,v.rectAreaLength=d,v.hemiLength=p,v.numDirectionalShadows=f,v.numPointShadows=m,v.numSpotShadows=g,r.version=Qi++)},setupView:function(e,t){let n=0,i=0,l=0,c=0,u=0;const h=t.matrixWorldInverse;for(let t=0,d=e.length;t<d;t++){const d=e[t];if(d.isDirectionalLight){const e=r.directional[n];e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(h),n++}else if(d.isSpotLight){const e=r.spot[l];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(h),l++}else if(d.isRectAreaLight){const e=r.rectArea[c];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),s.identity(),o.copy(d.matrixWorld),o.premultiply(h),s.extractRotation(o),e.halfWidth.set(.5*d.width,0,0),e.halfHeight.set(0,.5*d.height,0),e.halfWidth.applyMatrix4(s),e.halfHeight.applyMatrix4(s),c++}else if(d.isPointLight){const e=r.point[i];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),i++}else if(d.isHemisphereLight){const e=r.hemi[u];e.direction.setFromMatrixPosition(d.matrixWorld),e.direction.transformDirection(h),e.direction.normalize(),u++}}},state:r}}function er(e,t){const n=new $i(e,t),i=[],r=[];return{init:function(){i.length=0,r.length=0},state:{lightsArray:i,shadowsArray:r,lights:n},setupLights:function(){n.setup(i)},setupLightsView:function(e){n.setupView(i,e)},pushLight:function(e){i.push(e)},pushShadow:function(e){r.push(e)}}}function tr(e,t){let n=new WeakMap;return{get:function(i,r=0){let a;return!1===n.has(i)?(a=new er(e,t),n.set(i,[a])):r>=n.get(i).length?(a=new er(e,t),n.get(i).push(a)):a=n.get(i)[r],a},dispose:function(){n=new WeakMap}}}class nr extends dt{constructor(e){super(),this.type="MeshDepthMaterial",this.depthPacking=3200,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}nr.prototype.isMeshDepthMaterial=!0;class ir extends dt{constructor(e){super(),this.type="MeshDistanceMaterial",this.referencePosition=new D,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}function rr(e,t,n){let i=new re;const r=new E,a=new E,l=new pe,c=[],u=[],h={},d={0:1,1:0,2:2},p=new gt({defines:{SAMPLE_RATE:2/8,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new E},radius:{value:4}},vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}\n",fragmentShader:"\nuniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n\n#include <packing>\n\nvoid main() {\n\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\n\t// This seems totally useless but it's a crazy work around for a Adreno compiler bug\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n\n\tfor ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n\n\t\t#ifdef HORIZONTAL_PASS\n\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\n\t\t#else\n\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\n\t\t#endif\n\n\t}\n\n\tmean = mean * HALF_SAMPLE_RATE;\n\tsquared_mean = squared_mean * HALF_SAMPLE_RATE;\n\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n\n}\n"}),m=p.clone();m.defines.HORIZONTAL_PASS=1;const g=new lt;g.setAttribute("position",new Se(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const v=new en(g,p),y=this;function x(n,i){const r=t.update(v);p.uniforms.shadow_pass.value=n.map.texture,p.uniforms.resolution.value=n.mapSize,p.uniforms.radius.value=n.radius,e.setRenderTarget(n.mapPass),e.clear(),e.renderBufferDirect(i,null,r,p,v,null),m.uniforms.shadow_pass.value=n.mapPass.texture,m.uniforms.resolution.value=n.mapSize,m.uniforms.radius.value=n.radius,e.setRenderTarget(n.map),e.clear(),e.renderBufferDirect(i,null,r,m,v,null)}function _(e,t,n){const i=e<<0|t<<1|n<<2;let r=c[i];return void 0===r&&(r=new nr({depthPacking:3201,morphTargets:e,skinning:t}),c[i]=r),r}function b(e,t,n){const i=e<<0|t<<1|n<<2;let r=u[i];return void 0===r&&(r=new ir({morphTargets:e,skinning:t}),u[i]=r),r}function w(t,n,i,r,a,o,s){let l=null,c=_,u=t.customDepthMaterial;if(!0===r.isPointLight&&(c=b,u=t.customDistanceMaterial),void 0===u){let e=!1;!0===i.morphTargets&&(e=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);let r=!1;!0===t.isSkinnedMesh&&(!0===i.skinning?r=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",t)),l=c(e,r,!0===t.isInstancedMesh)}else l=u;if(e.localClippingEnabled&&!0===i.clipShadows&&0!==i.clippingPlanes.length){const e=l.uuid,t=i.uuid;let n=h[e];void 0===n&&(n={},h[e]=n);let r=n[t];void 0===r&&(r=l.clone(),n[t]=r),l=r}return l.visible=i.visible,l.wireframe=i.wireframe,l.side=3===s?null!==i.shadowSide?i.shadowSide:i.side:null!==i.shadowSide?i.shadowSide:d[i.side],l.clipShadows=i.clipShadows,l.clippingPlanes=i.clippingPlanes,l.clipIntersection=i.clipIntersection,l.wireframeLinewidth=i.wireframeLinewidth,l.linewidth=i.linewidth,!0===r.isPointLight&&!0===l.isMeshDistanceMaterial&&(l.referencePosition.setFromMatrixPosition(r.matrixWorld),l.nearDistance=a,l.farDistance=o),l}function M(n,r,a,o,s){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);const i=t.update(n),r=n.material;if(Array.isArray(r)){const t=i.groups;for(let l=0,c=t.length;l<c;l++){const c=t[l],u=r[c.materialIndex];if(u&&u.visible){const t=w(n,i,u,o,a.near,a.far,s);e.renderBufferDirect(a,null,i,t,n,c)}}}else if(r.visible){const t=w(n,i,r,o,a.near,a.far,s);e.renderBufferDirect(a,null,i,t,n,null)}}const l=n.children;for(let e=0,t=l.length;e<t;e++)M(l[e],r,a,o,s)}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=1,this.render=function(t,c,u){if(!1===y.enabled)return;if(!1===y.autoUpdate&&!1===y.needsUpdate)return;if(0===t.length)return;const h=e.getRenderTarget(),d=e.getActiveCubeFace(),p=e.getActiveMipmapLevel(),m=e.state;m.setBlending(0),m.buffers.color.setClear(1,1,1,1),m.buffers.depth.setTest(!0),m.setScissorTest(!1);for(let h=0,d=t.length;h<d;h++){const d=t[h],p=d.shadow;if(void 0===p){console.warn("THREE.WebGLShadowMap:",d,"has no shadow.");continue}if(!1===p.autoUpdate&&!1===p.needsUpdate)continue;r.copy(p.mapSize);const g=p.getFrameExtents();if(r.multiply(g),a.copy(p.mapSize),(r.x>n||r.y>n)&&(r.x>n&&(a.x=Math.floor(n/g.x),r.x=a.x*g.x,p.mapSize.x=a.x),r.y>n&&(a.y=Math.floor(n/g.y),r.y=a.y*g.y,p.mapSize.y=a.y)),null===p.map&&!p.isPointLightShadow&&3===this.type){const e={minFilter:s,magFilter:s,format:f};p.map=new hn(r.x,r.y,e),p.map.texture.name=d.name+".shadowMap",p.mapPass=new hn(r.x,r.y,e),p.camera.updateProjectionMatrix()}if(null===p.map){const e={minFilter:o,magFilter:o,format:f};p.map=new 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e.RGBA_INTEGER;if(33776===n||33777===n||33778===n||33779===n){if(r=t.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(33776===n)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===n)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===n)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===n)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===n||35841===n||35842===n||35843===n){if(r=t.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(35840===n)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===n)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===n)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===n)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===n)return r=t.get("WEBGL_compressed_texture_etc1"),null!==r?r.COMPRESSED_RGB_ETC1_WEBGL:null;if((37492===n||37496===n)&&(r=t.get("WEBGL_compressed_texture_etc"),null!==r)){if(37492===n)return r.COMPRESSED_RGB8_ETC2;if(37496===n)return r.COMPRESSED_RGBA8_ETC2_EAC}return 37808===n||37809===n||37810===n||37811===n||37812===n||37813===n||37814===n||37815===n||37816===n||37817===n||37818===n||37819===n||37820===n||37821===n||37840===n||37841===n||37842===n||37843===n||37844===n||37845===n||37846===n||37847===n||37848===n||37849===n||37850===n||37851===n||37852===n||37853===n?(r=t.get("WEBGL_compressed_texture_astc"),null!==r?n:null):36492===n?(r=t.get("EXT_texture_compression_bptc"),null!==r?n:null):n===d?i?e.UNSIGNED_INT_24_8:(r=t.get("WEBGL_depth_texture"),null!==r?r.UNSIGNED_INT_24_8_WEBGL:null):void 0}}}function lr(e=[]){pn.call(this),this.cameras=e}ir.prototype.isMeshDistanceMaterial=!0,lr.prototype=Object.assign(Object.create(pn.prototype),{constructor:lr,isArrayCamera:!0});class cr extends $e{constructor(){super(),this.type="Group"}}function ur(){this._targetRay=null,this._grip=null,this._hand=null}function hr(e,t){const n=this;let i=null,r=1,a=null,o="local-floor",s=null;const l=[],c=new Map,u=new pn;u.layers.enable(1),u.viewport=new pe;const h=new pn;h.layers.enable(2),h.viewport=new pe;const d=[u,h],p=new lr;p.layers.enable(1),p.layers.enable(2);let f=null,m=null;function g(e){const t=c.get(e.inputSource);t&&t.dispatchEvent({type:e.type,data:e.inputSource})}function v(){c.forEach((function(e,t){e.disconnect(t)})),c.clear(),f=null,m=null,e.setFramebuffer(null),e.setRenderTarget(e.getRenderTarget()),M.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function y(e){const t=i.inputSources;for(let e=0;e<l.length;e++)c.set(t[e],l[e]);for(let t=0;t<e.removed.length;t++){const n=e.removed[t],i=c.get(n);i&&(i.dispatchEvent({type:"disconnected",data:n}),c.delete(n))}for(let t=0;t<e.added.length;t++){const n=e.added[t],i=c.get(n);i&&i.dispatchEvent({type:"connected",data:n})}}this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=l[e];return void 0===t&&(t=new ur,l[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=l[e];return void 0===t&&(t=new 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s={antialias:e.antialias,alpha:e.alpha,depth:e.depth,stencil:e.stencil,framebufferScaleFactor:r},l=new XRWebGLLayer(i,t,s);i.updateRenderState({baseLayer:l}),a=await i.requestReferenceSpace(o),M.setContext(i),M.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}};const x=new D,_=new D;function b(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.getCamera=function(e){p.near=h.near=u.near=e.near,p.far=h.far=u.far=e.far,f===p.near&&m===p.far||(i.updateRenderState({depthNear:p.near,depthFar:p.far}),f=p.near,m=p.far);const t=e.parent,n=p.cameras;b(p,t);for(let e=0;e<n.length;e++)b(n[e],t);e.matrixWorld.copy(p.matrixWorld),e.matrix.copy(p.matrix),e.matrix.decompose(e.position,e.quaternion,e.scale);const r=e.children;for(let e=0,t=r.length;e<t;e++)r[e].updateMatrixWorld(!0);return 2===n.length?function(e,t,n){x.setFromMatrixPosition(t.matrixWorld),_.setFromMatrixPosition(n.matrixWorld);const i=x.distanceTo(_),r=t.projectionMatrix.elements,a=n.projectionMatrix.elements,o=r[14]/(r[10]-1),s=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],u=(r[8]-1)/r[0],h=(a[8]+1)/a[0],d=o*u,p=o*h,f=i/(-u+h),m=f*-u;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(f),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();const g=o+f,v=s+f,y=d-m,b=p+(i-m),w=l*s/v*g,M=c*s/v*g;e.projectionMatrix.makePerspective(y,b,w,M,g,v)}(p,u,h):p.projectionMatrix.copy(u.projectionMatrix),p};let w=null;const M=new be;M.setAnimationLoop((function(t,n){if(s=n.getViewerPose(a),null!==s){const t=s.views,n=i.renderState.baseLayer;e.setFramebuffer(n.framebuffer);let r=!1;t.length!==p.cameras.length&&(p.cameras.length=0,r=!0);for(let e=0;e<t.length;e++){const i=t[e],a=n.getViewport(i),o=d[e];o.matrix.fromArray(i.transform.matrix),o.projectionMatrix.fromArray(i.projectionMatrix),o.viewport.set(a.x,a.y,a.width,a.height),0===e&&p.matrix.copy(o.matrix),!0===r&&p.cameras.push(o)}}const r=i.inputSources;for(let e=0;e<l.length;e++){const t=l[e],i=r[e];t.update(i,n,a)}w&&w(t,n)})),this.setAnimationLoop=function(e){w=e},this.dispose=function(){}}function dr(e){function t(t,n){t.opacity.value=n.opacity,n.color&&t.diffuse.value.copy(n.color),n.emissive&&t.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(t.map.value=n.map),n.alphaMap&&(t.alphaMap.value=n.alphaMap),n.specularMap&&(t.specularMap.value=n.specularMap);const i=e.get(n).envMap;if(i){t.envMap.value=i,t.flipEnvMap.value=i.isCubeTexture&&i._needsFlipEnvMap?-1:1,t.reflectivity.value=n.reflectivity,t.refractionRatio.value=n.refractionRatio;const r=e.get(i).__maxMipLevel;void 0!==r&&(t.maxMipLevel.value=r)}let r,a;n.lightMap&&(t.lightMap.value=n.lightMap,t.lightMapIntensity.value=n.lightMapIntensity),n.aoMap&&(t.aoMap.value=n.aoMap,t.aoMapIntensity.value=n.aoMapIntensity),n.map?r=n.map:n.specularMap?r=n.specularMap:n.displacementMap?r=n.displacementMap:n.normalMap?r=n.normalMap:n.bumpMap?r=n.bumpMap:n.roughnessMap?r=n.roughnessMap:n.metalnessMap?r=n.metalnessMap:n.alphaMap?r=n.alphaMap:n.emissiveMap?r=n.emissiveMap:n.clearcoatMap?r=n.clearcoatMap:n.clearcoatNormalMap?r=n.clearcoatNormalMap:n.clearcoatRoughnessMap&&(r=n.clearcoatRoughnessMap),void 0!==r&&(r.isWebGLRenderTarget&&(r=r.texture),!0===r.matrixAutoUpdate&&r.updateMatrix(),t.uvTransform.value.copy(r.matrix)),n.aoMap?a=n.aoMap:n.lightMap&&(a=n.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),t.uv2Transform.value.copy(a.matrix))}function n(t,n){t.roughness.value=n.roughness,t.metalness.value=n.metalness,n.roughnessMap&&(t.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(t.metalnessMap.value=n.metalnessMap),n.emissiveMap&&(t.emissiveMap.value=n.emissiveMap),n.bumpMap&&(t.bumpMap.value=n.bumpMap,t.bumpScale.value=n.bumpScale,1===n.side&&(t.bumpScale.value*=-1)),n.normalMap&&(t.normalMap.value=n.normalMap,t.normalScale.value.copy(n.normalScale),1===n.side&&t.normalScale.value.negate()),n.displacementMap&&(t.displacementMap.value=n.displacementMap,t.displacementScale.value=n.displacementScale,t.displacementBias.value=n.displacementBias),e.get(n).envMap&&(t.envMapIntensity.value=n.envMapIntensity)}return{refreshFogUniforms:function(e,t){e.fogColor.value.copy(t.color),t.isFog?(e.fogNear.value=t.near,e.fogFar.value=t.far):t.isFogExp2&&(e.fogDensity.value=t.density)},refreshMaterialUniforms:function(e,i,r,a){i.isMeshBasicMaterial?t(e,i):i.isMeshLambertMaterial?(t(e,i),function(e,t){t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap)}(e,i)):i.isMeshToonMaterial?(t(e,i),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshPhongMaterial?(t(e,i),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshStandardMaterial?(t(e,i),i.isMeshPhysicalMaterial?function(e,t){n(e,t),e.reflectivity.value=t.reflectivity,e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.sheen&&e.sheen.value.copy(t.sheen),t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap),t.clearcoatNormalMap&&(e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),e.clearcoatNormalMap.value=t.clearcoatNormalMap,1===t.side&&e.clearcoatNormalScale.value.negate()),e.transmission.value=t.transmission,t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap)}(e,i):n(e,i)):i.isMeshMatcapMaterial?(t(e,i),function(e,t){t.matcap&&(e.matcap.value=t.matcap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshDepthMaterial?(t(e,i),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshDistanceMaterial?(t(e,i),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias),e.referencePosition.value.copy(t.referencePosition),e.nearDistance.value=t.nearDistance,e.farDistance.value=t.farDistance}(e,i)):i.isMeshNormalMaterial?(t(e,i),function(e,t){t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity}(e,i),i.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,i)):i.isPointsMaterial?function(e,t,n,i){let r;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*n,e.scale.value=.5*i,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?r=t.map:t.alphaMap&&(r=t.alphaMap),void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),e.uvTransform.value.copy(r.matrix))}(e,i,r,a):i.isSpriteMaterial?function(e,t){let n;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?n=t.map:t.alphaMap&&(n=t.alphaMap),void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),e.uvTransform.value.copy(n.matrix))}(e,i):i.isShadowMaterial?(e.color.value.copy(i.color),e.opacity.value=i.opacity):i.isShaderMaterial&&(i.uniformsNeedUpdate=!1)}}}function pr(e){const t=void 0!==(e=e||{}).canvas?e.canvas:function(){const e=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");return e.style.display="block",e}(),n=void 0!==e.context?e.context:null,i=void 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if(e.isImmediateRenderObject)i&&q.setFromMatrixPosition(e.matrixWorld).applyMatrix4(X),p.push(e,null,e.material,n,q.z,null);else if((e.isMesh||e.isLine||e.isPoints)&&(e.isSkinnedMesh&&e.skeleton.frame!==$.render.frame&&(e.skeleton.update(),e.skeleton.frame=$.render.frame),!e.frustumCulled||V.intersectsObject(e))){i&&q.setFromMatrixPosition(e.matrixWorld).applyMatrix4(X);const t=se.update(e),r=e.material;if(Array.isArray(r)){const i=t.groups;for(let a=0,o=i.length;a<o;a++){const o=i[a],s=r[o.materialIndex];s&&s.visible&&p.push(e,t,s,n,q.z,o)}}else r.visible&&p.push(e,t,r,n,q.z,null)}const r=e.children;for(let e=0,a=r.length;e<a;e++)Ie(r[e],t,n,i)}function Oe(e,t,n){const i=!0===t.isScene?t.overrideMaterial:null;for(let r=0,a=e.length;r<a;r++){const a=e[r],o=a.object,s=a.geometry,l=null===i?a.material:i,c=a.group;if(n.isArrayCamera){const e=n.cameras;for(let n=0,i=e.length;n<i;n++){const i=e[n];o.layers.test(i.layers)&&(K.viewport(C.copy(i.viewport)),m.setupLightsView(i),ze(o,t,i,s,l,c))}}else ze(o,t,n,s,l,c)}}function ze(e,t,n,i,r,a){if(e.onBeforeRender(x,t,n,i,r,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),e.isImmediateRenderObject){const i=Ue(n,t,r,e);K.setMaterial(r),xe.reset(),function(e,t){e.render((function(e){x.renderBufferImmediate(e,t)}))}(e,i)}else x.renderBufferDirect(n,t,i,r,e,a);e.onAfterRender(x,t,n,i,r,a)}function Fe(e,t,n){!0!==t.isScene&&(t=Y);const i=ee.get(e),r=m.state.lights,a=m.state.shadowsArray,o=r.state.version,s=le.getParameters(e,r.state,a,t,n),l=le.getProgramCacheKey(s);let c=i.program,u=!0;if(i.environment=e.isMeshStandardMaterial?t.environment:null,i.fog=t.fog,i.envMap=ne.get(e.envMap||i.environment),void 0===c)e.addEventListener("dispose",Pe);else if(c.cacheKey!==l)Ce(e);else if(i.lightsStateVersion!==o)u=!1;else{if(void 0!==s.shaderID)return;u=!1}u&&(s.uniforms=le.getUniforms(e),e.onBeforeCompile(s,x),c=le.acquireProgram(s,l),i.program=c,i.uniforms=s.uniforms,i.outputEncoding=s.outputEncoding);const h=i.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(i.numClippingPlanes=de.numPlanes,i.numIntersection=de.numIntersection,h.clippingPlanes=de.uniform),i.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),i.lightsStateVersion=o,i.needsLights&&(h.ambientLightColor.value=r.state.ambient,h.lightProbe.value=r.state.probe,h.directionalLights.value=r.state.directional,h.directionalLightShadows.value=r.state.directionalShadow,h.spotLights.value=r.state.spot,h.spotLightShadows.value=r.state.spotShadow,h.rectAreaLights.value=r.state.rectArea,h.ltc_1.value=r.state.rectAreaLTC1,h.ltc_2.value=r.state.rectAreaLTC2,h.pointLights.value=r.state.point,h.pointLightShadows.value=r.state.pointShadow,h.hemisphereLights.value=r.state.hemi,h.directionalShadowMap.value=r.state.directionalShadowMap,h.directionalShadowMatrix.value=r.state.directionalShadowMatrix,h.spotShadowMap.value=r.state.spotShadowMap,h.spotShadowMatrix.value=r.state.spotShadowMatrix,h.pointShadowMap.value=r.state.pointShadowMap,h.pointShadowMatrix.value=r.state.pointShadowMatrix);const d=i.program.getUniforms(),p=Mi.seqWithValue(d.seq,h);i.uniformsList=p}function Ue(e,t,n,i){!0!==t.isScene&&(t=Y),te.resetTextureUnits();const r=t.fog,a=n.isMeshStandardMaterial?t.environment:null,o=null===T?x.outputEncoding:T.texture.encoding,s=ne.get(n.envMap||a),l=ee.get(n),c=m.state.lights;if(!0===W&&(!0===j||e!==R)){const t=e===R&&n.id===A;de.setState(n,e,t)}n.version===l.__version?n.fog&&l.fog!==r||l.environment!==a||l.needsLights&&l.lightsStateVersion!==c.state.version?Fe(n,t,i):void 0===l.numClippingPlanes||l.numClippingPlanes===de.numPlanes&&l.numIntersection===de.numIntersection?(l.outputEncoding!==o||l.envMap!==s)&&Fe(n,t,i):Fe(n,t,i):(Fe(n,t,i),l.__version=n.version);let h=!1,d=!1,p=!1;const g=l.program,v=g.getUniforms(),y=l.uniforms;if(K.useProgram(g.program)&&(h=!0,d=!0,p=!0),n.id!==A&&(A=n.id,d=!0),h||R!==e){if(v.setValue(Me,"projectionMatrix",e.projectionMatrix),Q.logarithmicDepthBuffer&&v.setValue(Me,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),R!==e&&(R=e,d=!0,p=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshStandardMaterial||n.envMap){const t=v.map.cameraPosition;void 0!==t&&t.setValue(Me,q.setFromMatrixPosition(e.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial)&&v.setValue(Me,"isOrthographic",!0===e.isOrthographicCamera),(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.isShadowMaterial||n.skinning)&&v.setValue(Me,"viewMatrix",e.matrixWorldInverse)}if(n.skinning){v.setOptional(Me,i,"bindMatrix"),v.setOptional(Me,i,"bindMatrixInverse");const e=i.skeleton;if(e){const t=e.bones;if(Q.floatVertexTextures){if(null===e.boneTexture){let n=Math.sqrt(4*t.length);n=w.ceilPowerOfTwo(n),n=Math.max(n,4);const i=new Float32Array(n*n*4);i.set(e.boneMatrices);const r=new P(i,n,n,f,u);e.boneMatrices=i,e.boneTexture=r,e.boneTextureSize=n}v.setValue(Me,"boneTexture",e.boneTexture,te),v.setValue(Me,"boneTextureSize",e.boneTextureSize)}else v.setOptional(Me,e,"boneMatrices")}}var _,b;return(d||l.receiveShadow!==i.receiveShadow)&&(l.receiveShadow=i.receiveShadow,v.setValue(Me,"receiveShadow",i.receiveShadow)),d&&(v.setValue(Me,"toneMappingExposure",x.toneMappingExposure),l.needsLights&&(b=p,(_=y).ambientLightColor.needsUpdate=b,_.lightProbe.needsUpdate=b,_.directionalLights.needsUpdate=b,_.directionalLightShadows.needsUpdate=b,_.pointLights.needsUpdate=b,_.pointLightShadows.needsUpdate=b,_.spotLights.needsUpdate=b,_.spotLightShadows.needsUpdate=b,_.rectAreaLights.needsUpdate=b,_.hemisphereLights.needsUpdate=b),r&&n.fog&&ce.refreshFogUniforms(y,r),ce.refreshMaterialUniforms(y,n,F,z),Mi.upload(Me,l.uniformsList,y,te)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(Mi.upload(Me,l.uniformsList,y,te),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&v.setValue(Me,"center",i.center),v.setValue(Me,"modelViewMatrix",i.modelViewMatrix),v.setValue(Me,"normalMatrix",i.normalMatrix),v.setValue(Me,"modelMatrix",i.matrixWorld),g}Ne.setAnimationLoop((function(e){Te.isPresenting||De&&De(e)})),"undefined"!=typeof window&&Ne.setContext(window),this.setAnimationLoop=function(e){De=e,Te.setAnimationLoop(e),null===e?Ne.stop():Ne.start()},this.render=function(e,t){let n,i;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),i=arguments[3]),void 0!==t&&!0!==t.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===_)return;xe.resetDefaultState(),A=-1,R=null,!0===e.autoUpdate&&e.updateMatrixWorld(),null===t.parent&&t.updateMatrixWorld(),!0===Te.enabled&&!0===Te.isPresenting&&(t=Te.getCamera(t)),!0===e.isScene&&e.onBeforeRender(x,e,t,n||T),m=he.get(e,y.length),m.init(),y.push(m),X.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),V.setFromProjectionMatrix(X),j=this.localClippingEnabled,W=de.init(this.clippingPlanes,j,t),p=ue.get(e,g.length),p.init(),g.push(p),Ie(e,t,0,x.sortObjects),p.finish(),!0===x.sortObjects&&p.sort(U,k),!0===W&&de.beginShadows();const r=m.state.shadowsArray;Le.render(r,e,t),m.setupLights(),m.setupLightsView(t),!0===W&&de.endShadows(),!0===this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),fe.render(p,e,t,i);const a=p.opaque,o=p.transparent;a.length>0&&Oe(a,e,t),o.length>0&&Oe(o,e,t),!0===e.isScene&&e.onAfterRender(x,e,t),null!==T&&(te.updateRenderTargetMipmap(T),te.updateMultisampleRenderTarget(T)),K.buffers.depth.setTest(!0),K.buffers.depth.setMask(!0),K.buffers.color.setMask(!0),K.setPolygonOffset(!1),y.pop(),m=y.length>0?y[y.length-1]:null,g.pop(),p=g.length>0?g[g.length-1]:null},this.setFramebuffer=function(e){b!==e&&null===T&&Me.bindFramebuffer(Me.FRAMEBUFFER,e),b=e},this.getActiveCubeFace=function(){return M},this.getActiveMipmapLevel=function(){return S},this.getRenderTarget=function(){return T},this.setRenderTarget=function(e,t=0,n=0){T=e,M=t,S=n,e&&void 0===ee.get(e).__webglFramebuffer&&te.setupRenderTarget(e);let i=b,r=!1,a=!1;if(e){const n=e.texture;(n.isDataTexture3D||n.isDataTexture2DArray)&&(a=!0);const o=ee.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=o[t],r=!0):i=e.isWebGLMultisampleRenderTarget?ee.get(e).__webglMultisampledFramebuffer:o,C.copy(e.viewport),N.copy(e.scissor),I=e.scissorTest}else C.copy(B).multiplyScalar(F).floor(),N.copy(H).multiplyScalar(F).floor(),I=G;if(L!==i&&(Me.bindFramebuffer(Me.FRAMEBUFFER,i),L=i),K.viewport(C),K.scissor(N),K.setScissorTest(I),r){const i=ee.get(e.texture);Me.framebufferTexture2D(Me.FRAMEBUFFER,Me.COLOR_ATTACHMENT0,Me.TEXTURE_CUBE_MAP_POSITIVE_X+t,i.__webglTexture,n)}else if(a){const i=ee.get(e.texture),r=t||0;Me.framebufferTextureLayer(Me.FRAMEBUFFER,Me.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}},this.readRenderTargetPixels=function(e,t,n,i,r,a,o){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let s=ee.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){let o=!1;s!==L&&(Me.bindFramebuffer(Me.FRAMEBUFFER,s),o=!0);try{const s=e.texture,l=s.format,c=s.type;if(l!==f&&ye.convert(l)!==Me.getParameter(Me.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const d=c===h&&(J.has("EXT_color_buffer_half_float")||Q.isWebGL2&&J.has("EXT_color_buffer_float"));if(!(1009===c||ye.convert(c)===Me.getParameter(Me.IMPLEMENTATION_COLOR_READ_TYPE)||c===u&&(Q.isWebGL2||J.has("OES_texture_float")||J.has("WEBGL_color_buffer_float"))||d))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");Me.checkFramebufferStatus(Me.FRAMEBUFFER)===Me.FRAMEBUFFER_COMPLETE?t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&Me.readPixels(t,n,i,r,ye.convert(l),ye.convert(c),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{o&&Me.bindFramebuffer(Me.FRAMEBUFFER,L)}}},this.copyFramebufferToTexture=function(e,t,n=0){const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),a=Math.floor(t.image.height*i),o=ye.convert(t.format);te.setTexture2D(t,0),Me.copyTexImage2D(Me.TEXTURE_2D,n,o,e.x,e.y,r,a,0),K.unbindTexture()},this.copyTextureToTexture=function(e,t,n,i=0){const r=t.image.width,a=t.image.height,o=ye.convert(n.format),s=ye.convert(n.type);te.setTexture2D(n,0),Me.pixelStorei(Me.UNPACK_FLIP_Y_WEBGL,n.flipY),Me.pixelStorei(Me.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),Me.pixelStorei(Me.UNPACK_ALIGNMENT,n.unpackAlignment),t.isDataTexture?Me.texSubImage2D(Me.TEXTURE_2D,i,e.x,e.y,r,a,o,s,t.image.data):t.isCompressedTexture?Me.compressedTexSubImage2D(Me.TEXTURE_2D,i,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,o,t.mipmaps[0].data):Me.texSubImage2D(Me.TEXTURE_2D,i,e.x,e.y,o,s,t.image),0===i&&n.generateMipmaps&&Me.generateMipmap(Me.TEXTURE_2D),K.unbindTexture()},this.copyTextureToTexture3D=function(e,t,n,i,r=0){if(x.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const{width:a,height:o,data:s}=n.image,l=ye.convert(i.format),c=ye.convert(i.type);let u;if(i.isDataTexture3D)te.setTexture3D(i,0),u=Me.TEXTURE_3D;else{if(!i.isDataTexture2DArray)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");te.setTexture2DArray(i,0),u=Me.TEXTURE_2D_ARRAY}Me.pixelStorei(Me.UNPACK_FLIP_Y_WEBGL,i.flipY),Me.pixelStorei(Me.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),Me.pixelStorei(Me.UNPACK_ALIGNMENT,i.unpackAlignment);const h=Me.getParameter(Me.UNPACK_ROW_LENGTH),d=Me.getParameter(Me.UNPACK_IMAGE_HEIGHT),p=Me.getParameter(Me.UNPACK_SKIP_PIXELS),f=Me.getParameter(Me.UNPACK_SKIP_ROWS),m=Me.getParameter(Me.UNPACK_SKIP_IMAGES);Me.pixelStorei(Me.UNPACK_ROW_LENGTH,a),Me.pixelStorei(Me.UNPACK_IMAGE_HEIGHT,o),Me.pixelStorei(Me.UNPACK_SKIP_PIXELS,e.min.x),Me.pixelStorei(Me.UNPACK_SKIP_ROWS,e.min.y),Me.pixelStorei(Me.UNPACK_SKIP_IMAGES,e.min.z),Me.texSubImage3D(u,r,t.x,t.y,t.z,e.max.x-e.min.x+1,e.max.y-e.min.y+1,e.max.z-e.min.z+1,l,c,s),Me.pixelStorei(Me.UNPACK_ROW_LENGTH,h),Me.pixelStorei(Me.UNPACK_IMAGE_HEIGHT,d),Me.pixelStorei(Me.UNPACK_SKIP_PIXELS,p),Me.pixelStorei(Me.UNPACK_SKIP_ROWS,f),Me.pixelStorei(Me.UNPACK_SKIP_IMAGES,m),0===r&&i.generateMipmaps&&Me.generateMipmap(u),K.unbindTexture()},this.initTexture=function(e){te.setTexture2D(e,0),K.unbindTexture()},this.resetState=function(){K.reset(),xe.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}cr.prototype.isGroup=!0,Object.assign(ur.prototype,{constructor:ur,getHandSpace:function(){return null===this._hand&&(this._hand=new cr,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand},getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new cr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new cr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this},disconnect:function(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this},update:function(e,t,n){let i=null,r=null,a=null;const o=this._targetRay,s=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState)if(l&&e.hand){a=!0;for(const i of e.hand.values()){const e=t.getJointPose(i,n);if(void 0===l.joints[i.jointName]){const e=new cr;e.matrixAutoUpdate=!1,e.visible=!1,l.joints[i.jointName]=e,l.add(e)}const r=l.joints[i.jointName];null!==e&&(r.matrix.fromArray(e.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.jointRadius=e.radius),r.visible=null!==e}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],o=i.position.distanceTo(r.position),s=.02,c=.005;l.inputState.pinching&&o>s+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&o<=s-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==o&&(i=t.getPose(e.targetRaySpace,n),null!==i&&(o.matrix.fromArray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale))),null!==s&&e.gripSpace&&(r=t.getPose(e.gripSpace,n),null!==r&&(s.matrix.fromArray(r.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale)));return null!==o&&(o.visible=null!==i),null!==s&&(s.visible=null!==r),null!==l&&(l.visible=null!==a),this}}),Object.assign(hr.prototype,M.prototype);class fr extends $e{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return null!==this.background&&(t.object.background=this.background.toJSON(e)),null!==this.environment&&(t.object.environment=this.environment.toJSON(e)),null!==this.fog&&(t.object.fog=this.fog.toJSON()),t}}fr.prototype.isScene=!0;class mr extends dt{constructor(e){super(),this.type="LineBasicMaterial",this.color=new _e(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.morphTargets=e.morphTargets,this}}mr.prototype.isLineBasicMaterial=!0;const gr=new D,vr=new D,yr=new ae,xr=new Et,_r=new Q;function br(e=new lt,t=new mr){$e.call(this),this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}br.prototype=Object.assign(Object.create($e.prototype),{constructor:br,isLine:!0,copy:function(e){return $e.prototype.copy.call(this,e),this.material=e.material,this.geometry=e.geometry,this},computeLineDistances:function(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,n=[0];for(let e=1,i=t.count;e<i;e++)gr.fromBufferAttribute(t,e-1),vr.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=gr.distanceTo(vr);e.setAttribute("lineDistance",new Ie(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this},raycast:function(e,t){const n=this.geometry,i=this.matrixWorld,r=e.params.Line.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),_r.copy(n.boundingSphere),_r.applyMatrix4(i),_r.radius+=r,!1===e.ray.intersectsSphere(_r))return;yr.copy(i).invert(),xr.copy(e.ray).applyMatrix4(yr);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,s=new D,l=new D,c=new D,u=new D,h=this.isLineSegments?2:1;if(n.isBufferGeometry){const i=n.index,r=n.attributes.position;if(null!==i){const n=i.array;for(let i=0,a=n.length-1;i<a;i+=h){const a=n[i],h=n[i+1];if(s.fromBufferAttribute(r,a),l.fromBufferAttribute(r,h),xr.distanceSqToSegment(s,l,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const d=e.ray.origin.distanceTo(u);d<e.near||d>e.far||t.push({distance:d,point:c.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this})}}else for(let n=0,i=r.count-1;n<i;n+=h){if(s.fromBufferAttribute(r,n),l.fromBufferAttribute(r,n+1),xr.distanceSqToSegment(s,l,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const i=e.ray.origin.distanceTo(u);i<e.near||i>e.far||t.push({distance:i,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}});const wr=new D,Mr=new D;function Er(e,t){br.call(this,e,t),this.type="LineSegments"}Er.prototype=Object.assign(Object.create(br.prototype),{constructor:Er,isLineSegments:!0,computeLineDistances:function(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,n=[];for(let e=0,i=t.count;e<i;e+=2)wr.fromBufferAttribute(t,e),Mr.fromBufferAttribute(t,e+1),n[e]=0===e?0:n[e-1],n[e+1]=n[e]+wr.distanceTo(Mr);e.setAttribute("lineDistance",new Ie(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}});class Sr extends Er{constructor(e=1){const t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=new lt;n.setAttribute("position",new Ie(t,3)),n.setAttribute("color",new Ie([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3)),super(n,new mr({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}}class Tr extends dn{constructor(e=-1,t=1,n=1,i=-1,r=.1,a=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=i,this.near=r,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}setViewOffset(e,t,n,i,r,a){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-e,a=n+e,o=i+t,s=i-t;if(null!==this.view&&this.view.enabled){const e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=e*this.view.offsetX,a=r+e*this.view.width,o-=t*this.view.offsetY,s=o-t*this.view.height}this.projectionMatrix.makeOrthographic(r,a,o,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=$e.prototype.toJSON.call(this,e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}Tr.prototype.isOrthographicCamera=!0;class Lr extends $e{constructor(e,t=1){super(),this.type="Light",this.color=new _e(e),this.intensity=t}copy(e){return super.copy(e),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}Lr.prototype.isLight=!0;const Ar=new ae,Rr=new D,Pr=new D;class Cr extends class{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.mapSize=new E(512,512),this.map=null,this.mapPass=null,this.matrix=new ae,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new re,this._frameExtents=new E(1,1),this._viewportCount=1,this._viewports=[new pe(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,n=this.matrix;Rr.setFromMatrixPosition(e.matrixWorld),t.position.copy(Rr),Pr.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(Pr),t.updateMatrixWorld(),Ar.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Ar),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(t.projectionMatrix),n.multiply(t.matrixWorldInverse)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}{constructor(){super(new Tr(-5,5,5,-5,.5,500))}}Cr.prototype.isDirectionalLightShadow=!0;class Dr extends Lr{constructor(e,t){super(e,t),this.type="DirectionalLight",this.position.copy($e.DefaultUp),this.updateMatrix(),this.target=new $e,this.shadow=new Cr}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}Dr.prototype.isDirectionalLight=!0;class Nr extends Lr{constructor(e,t){super(e,t),this.type="AmbientLight"}}Nr.prototype.isAmbientLight=!0;class Ir{constructor(e=1,t=0,n=0){return this.radius=e,this.phi=t,this.theta=n,this}set(e,t,n){return this.radius=e,this.phi=t,this.theta=n,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){const e=1e-6;return this.phi=Math.max(e,Math.min(Math.PI-e,this.phi)),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+t*t+n*n),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,n),this.phi=Math.acos(w.clamp(t/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}var Or=function(e,t){var n,i,r,a,o,s;void 0===t&&console.warn('THREE.OrbitControls: The second parameter "domElement" is now mandatory.'),t===document&&console.error('THREE.OrbitControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.'),this.object=e,this.domElement=t,this.enabled=!0,this.target=new D,this.minDistance=0,this.maxDistance=1/0,this.minZoom=0,this.maxZoom=1/0,this.minPolarAngle=0,this.maxPolarAngle=Math.PI,this.minAzimuthAngle=-1/0,this.maxAzimuthAngle=1/0,this.enableDamping=!1,this.dampingFactor=.05,this.enableZoom=!0,this.zoomSpeed=1,this.enableRotate=!0,this.rotateSpeed=1,this.enablePan=!0,this.panSpeed=1,this.screenSpacePanning=!0,this.keyPanSpeed=7,this.autoRotate=!1,this.autoRotateSpeed=2,this.keys={LEFT:37,UP:38,RIGHT:39,BOTTOM:40},this.mouseButtons={LEFT:null,MIDDLE:0,RIGHT:2},this.touches={ONE:0,TWO:2},this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.zoom0=this.object.zoom,this._domElementKeyEvents=null,this.getPolarAngle=function(){return m.phi},this.getAzimuthalAngle=function(){return m.theta},this.listenToKeyEvents=function(e){e.addEventListener("keydown",$),this._domElementKeyEvents=e},this.saveState=function(){l.target0.copy(l.target),l.position0.copy(l.object.position),l.zoom0=l.object.zoom},this.reset=function(){l.target.copy(l.target0),l.object.position.copy(l.position0),l.object.zoom=l.zoom0,l.object.updateProjectionMatrix(),l.dispatchEvent(c),l.update(),p=d.NONE},this.update=(n=new D,i=(new C).setFromUnitVectors(e.up,new D(0,1,0)),r=i.clone().invert(),a=new D,o=new C,s=2*Math.PI,function(){var e=l.object.position;n.copy(e).sub(l.target),n.applyQuaternion(i),m.setFromVector3(n),l.autoRotate&&p===d.NONE&&N(2*Math.PI/60/60*l.autoRotateSpeed),l.enableDamping?(m.theta+=g.theta*l.dampingFactor,m.phi+=g.phi*l.dampingFactor):(m.theta+=g.theta,m.phi+=g.phi);var t=l.minAzimuthAngle,u=l.maxAzimuthAngle;return isFinite(t)&&isFinite(u)&&(t<-Math.PI?t+=s:t>Math.PI&&(t-=s),u<-Math.PI?u+=s:u>Math.PI&&(u-=s),m.theta=t<=u?Math.max(t,Math.min(u,m.theta)):m.theta>(t+u)/2?Math.max(t,m.theta):Math.min(u,m.theta)),m.phi=Math.max(l.minPolarAngle,Math.min(l.maxPolarAngle,m.phi)),m.makeSafe(),m.radius*=v,m.radius=Math.max(l.minDistance,Math.min(l.maxDistance,m.radius)),!0===l.enableDamping?l.target.addScaledVector(y,l.dampingFactor):l.target.add(y),n.setFromSpherical(m),n.applyQuaternion(r),e.copy(l.target).add(n),l.object.lookAt(l.target),!0===l.enableDamping?(g.theta*=1-l.dampingFactor,g.phi*=1-l.dampingFactor,y.multiplyScalar(1-l.dampingFactor)):(g.set(0,0,0),y.set(0,0,0)),v=1,!!(x||a.distanceToSquared(l.object.position)>f||8*(1-o.dot(l.object.quaternion))>f)&&(l.dispatchEvent(c),a.copy(l.object.position),o.copy(l.object.quaternion),x=!1,!0)}),this.dispose=function(){l.domElement.removeEventListener("contextmenu",ie),l.domElement.removeEventListener("pointerdown",Z),l.domElement.removeEventListener("wheel",K),l.domElement.removeEventListener("touchstart",ee),l.domElement.removeEventListener("touchend",ne),l.domElement.removeEventListener("touchmove",te),l.domElement.ownerDocument.removeEventListener("pointermove",J),l.domElement.ownerDocument.removeEventListener("pointerup",Q),null!==l._domElementKeyEvents&&l._domElementKeyEvents.removeEventListener("keydown",$)};var l=this,c={type:"change"},u={type:"start"},h={type:"end"},d={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,TOUCH_ROTATE:3,TOUCH_PAN:4,TOUCH_DOLLY_PAN:5,TOUCH_DOLLY_ROTATE:6},p=d.NONE,f=1e-6,m=new Ir,g=new Ir,v=1,y=new D,x=!1,_=new E,b=new E,w=new E,M=new E,S=new E,T=new E,L=new E,A=new E,R=new E;function P(){return Math.pow(.95,l.zoomSpeed)}function N(e){g.theta-=e}function I(e){g.phi-=e}var O,z=(O=new D,function(e,t){O.setFromMatrixColumn(t,0),O.multiplyScalar(-e),y.add(O)}),F=function(){var e=new D;return function(t,n){!0===l.screenSpacePanning?e.setFromMatrixColumn(n,1):(e.setFromMatrixColumn(n,0),e.crossVectors(l.object.up,e)),e.multiplyScalar(t),y.add(e)}}(),U=function(){var e=new D;return function(t,n){var i=l.domElement;if(l.object.isPerspectiveCamera){var r=l.object.position;e.copy(r).sub(l.target);var a=e.length();a*=Math.tan(l.object.fov/2*Math.PI/180),z(2*t*a/i.clientHeight,l.object.matrix),F(2*n*a/i.clientHeight,l.object.matrix)}else l.object.isOrthographicCamera?(z(t*(l.object.right-l.object.left)/l.object.zoom/i.clientWidth,l.object.matrix),F(n*(l.object.top-l.object.bottom)/l.object.zoom/i.clientHeight,l.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),l.enablePan=!1)}}();function k(e){l.object.isPerspectiveCamera?v/=e:l.object.isOrthographicCamera?(l.object.zoom=Math.max(l.minZoom,Math.min(l.maxZoom,l.object.zoom*e)),l.object.updateProjectionMatrix(),x=!0):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),l.enableZoom=!1)}function B(e){l.object.isPerspectiveCamera?v*=e:l.object.isOrthographicCamera?(l.object.zoom=Math.max(l.minZoom,Math.min(l.maxZoom,l.object.zoom/e)),l.object.updateProjectionMatrix(),x=!0):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),l.enableZoom=!1)}function H(e){_.set(e.clientX,e.clientY)}function G(e){M.set(e.clientX,e.clientY)}function V(e){if(1==e.touches.length)_.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);_.set(t,n)}}function W(e){if(1==e.touches.length)M.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);M.set(t,n)}}function j(e){var t=e.touches[0].pageX-e.touches[1].pageX,n=e.touches[0].pageY-e.touches[1].pageY,i=Math.sqrt(t*t+n*n);L.set(0,i)}function X(e){if(1==e.touches.length)b.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);b.set(t,n)}w.subVectors(b,_).multiplyScalar(l.rotateSpeed);var i=l.domElement;N(2*Math.PI*w.x/i.clientHeight),I(2*Math.PI*w.y/i.clientHeight),_.copy(b)}function q(e){if(1==e.touches.length)S.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);S.set(t,n)}T.subVectors(S,M).multiplyScalar(l.panSpeed),U(T.x,T.y),M.copy(S)}function Y(e){var t=e.touches[0].pageX-e.touches[1].pageX,n=e.touches[0].pageY-e.touches[1].pageY,i=Math.sqrt(t*t+n*n);A.set(0,i),R.set(0,Math.pow(A.y/L.y,l.zoomSpeed)),k(R.y),L.copy(A)}function Z(e){if(!1!==l.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){var t;switch(e.preventDefault(),l.domElement.focus?l.domElement.focus():window.focus(),e.button){case 0:t=l.mouseButtons.LEFT;break;case 1:t=l.mouseButtons.MIDDLE;break;case 2:t=l.mouseButtons.RIGHT;break;default:t=-1}switch(t){case 1:if(!1===l.enableZoom)return;!function(e){L.set(e.clientX,e.clientY)}(e),p=d.DOLLY;break;case 0:if(e.ctrlKey||e.metaKey||e.shiftKey){if(!1===l.enablePan)return;G(e),p=d.PAN}else{if(!1===l.enableRotate)return;H(e),p=d.ROTATE}break;case 2:if(e.ctrlKey||e.metaKey||e.shiftKey){if(!1===l.enableRotate)return;H(e),p=d.ROTATE}else{if(!1===l.enablePan)return;G(e),p=d.PAN}break;default:p=d.NONE}p!==d.NONE&&(l.domElement.ownerDocument.addEventListener("pointermove",J),l.domElement.ownerDocument.addEventListener("pointerup",Q),l.dispatchEvent(u))}(e)}}function J(e){if(!1!==l.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){if(!1!==l.enabled)switch(e.preventDefault(),p){case d.ROTATE:if(!1===l.enableRotate)return;!function(e){b.set(e.clientX,e.clientY),w.subVectors(b,_).multiplyScalar(l.rotateSpeed);var t=l.domElement;N(2*Math.PI*w.x/t.clientHeight),I(2*Math.PI*w.y/t.clientHeight),_.copy(b),l.update()}(e);break;case d.DOLLY:if(!1===l.enableZoom)return;!function(e){A.set(e.clientX,e.clientY),R.subVectors(A,L),R.y>0?k(P()):R.y<0&&B(P()),L.copy(A),l.update()}(e);break;case d.PAN:if(!1===l.enablePan)return;!function(e){S.set(e.clientX,e.clientY),T.subVectors(S,M).multiplyScalar(l.panSpeed),U(T.x,T.y),M.copy(S),l.update()}(e)}}(e)}}function Q(e){switch(e.pointerType){case"mouse":case"pen":l.domElement.ownerDocument.removeEventListener("pointermove",J),l.domElement.ownerDocument.removeEventListener("pointerup",Q),!1!==l.enabled&&(l.dispatchEvent(h),p=d.NONE)}}function K(e){!1===l.enabled||!1===l.enableZoom||p!==d.NONE&&p!==d.ROTATE||(e.preventDefault(),e.stopPropagation(),l.dispatchEvent(u),function(e){e.deltaY<0?B(P()):e.deltaY>0&&k(P()),l.update()}(e),l.dispatchEvent(h))}function $(e){!1!==l.enabled&&!1!==l.enablePan&&function(e){var t=!1;switch(e.keyCode){case l.keys.UP:U(0,l.keyPanSpeed),t=!0;break;case l.keys.BOTTOM:U(0,-l.keyPanSpeed),t=!0;break;case l.keys.LEFT:U(l.keyPanSpeed,0),t=!0;break;case l.keys.RIGHT:U(-l.keyPanSpeed,0),t=!0}t&&(e.preventDefault(),l.update())}(e)}function ee(e){if(!1!==l.enabled){switch(e.preventDefault(),e.touches.length){case 1:switch(l.touches.ONE){case 0:if(!1===l.enableRotate)return;V(e),p=d.TOUCH_ROTATE;break;case 1:if(!1===l.enablePan)return;W(e),p=d.TOUCH_PAN;break;default:p=d.NONE}break;case 2:switch(l.touches.TWO){case 2:if(!1===l.enableZoom&&!1===l.enablePan)return;!function(e){l.enableZoom&&j(e),l.enablePan&&W(e)}(e),p=d.TOUCH_DOLLY_PAN;break;case 3:if(!1===l.enableZoom&&!1===l.enableRotate)return;!function(e){l.enableZoom&&j(e),l.enableRotate&&V(e)}(e),p=d.TOUCH_DOLLY_ROTATE;break;default:p=d.NONE}break;default:p=d.NONE}p!==d.NONE&&l.dispatchEvent(u)}}function te(e){if(!1!==l.enabled)switch(e.preventDefault(),e.stopPropagation(),p){case d.TOUCH_ROTATE:if(!1===l.enableRotate)return;X(e),l.update();break;case d.TOUCH_PAN:if(!1===l.enablePan)return;q(e),l.update();break;case d.TOUCH_DOLLY_PAN:if(!1===l.enableZoom&&!1===l.enablePan)return;!function(e){l.enableZoom&&Y(e),l.enablePan&&q(e)}(e),l.update();break;case d.TOUCH_DOLLY_ROTATE:if(!1===l.enableZoom&&!1===l.enableRotate)return;!function(e){l.enableZoom&&Y(e),l.enableRotate&&X(e)}(e),l.update();break;default:p=d.NONE}}function ne(e){!1!==l.enabled&&(l.dispatchEvent(h),p=d.NONE)}function ie(e){!1!==l.enabled&&e.preventDefault()}l.domElement.addEventListener("contextmenu",ie),l.domElement.addEventListener("pointerdown",Z),l.domElement.addEventListener("wheel",K),l.domElement.addEventListener("touchstart",ee),l.domElement.addEventListener("touchend",ne),l.domElement.addEventListener("touchmove",te),this.update()};(Or.prototype=Object.create(M.prototype)).constructor=Or;var zr=function(e,t){Or.call(this,e,t),this.screenSpacePanning=!1,this.mouseButtons.LEFT=2,this.mouseButtons.RIGHT=0,this.touches.ONE=1,this.touches.TWO=3};(zr.prototype=Object.create(M.prototype)).constructor=zr;var Fr=function(e,t){void 0===t&&console.warn('THREE.TrackballControls: The second parameter "domElement" is now mandatory.'),t===document&&console.error('THREE.TrackballControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.');var n=this,i=-1;this.object=e,this.domElement=t,this.enabled=!0,this.screen={left:0,top:0,width:0,height:0},this.rotateSpeed=3,this.zoomSpeed=1.2,this.panSpeed=70,this.noRotate=!1,this.noZoom=!1,this.noPan=!1,this.staticMoving=!0,this.dynamicDampingFactor=.2,this.minDistance=0,this.maxDistance=1/0,this.keys=[65,83,68],this.mouseButtons={LEFT:null,MIDDLE:0,RIGHT:2},this.target=new D;var r=1e-6,a=new D,o=1,s=i,l=i,c=new D,u=new E,h=new E,d=new D,p=0,f=new E,m=new E,g=0,v=0,y=new E,x=new E;this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.up0=this.object.up.clone(),this.zoom0=this.object.zoom;var _={type:"change"},b={type:"start"},w={type:"end"};this.handleResize=function(){var e=n.domElement.getBoundingClientRect(),t=n.domElement.ownerDocument.documentElement;n.screen.left=e.left+window.pageXOffset-t.clientLeft,n.screen.top=e.top+window.pageYOffset-t.clientTop,n.screen.width=e.width,n.screen.height=e.height};var M,S,T,L,A,R,P,N,I,O,z,F=(M=new E,function(e,t){return M.set((e-n.screen.left)/n.screen.width,(t-n.screen.top)/n.screen.height),M}),U=function(){var e=new E;return function(t,i){return e.set((t-.5*n.screen.width-n.screen.left)/(.5*n.screen.width),(n.screen.height+2*(n.screen.top-i))/n.screen.width),e}}();function k(e){if(!1!==n.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){if(e.preventDefault(),e.stopPropagation(),s===i)switch(e.button){case 0:s=n.mouseButtons.LEFT;break;case 1:s=n.mouseButtons.MIDDLE;break;case 2:s=n.mouseButtons.RIGHT;break;default:s=i}var t=l!==i?l:s;0!==t||n.noRotate?1!==t||n.noZoom?2!==t||n.noPan||(y.copy(F(e.pageX,e.pageY)),x.copy(y)):(f.copy(F(e.pageX,e.pageY)),m.copy(f)):(h.copy(U(e.pageX,e.pageY)),u.copy(h)),n.domElement.ownerDocument.addEventListener("pointermove",B),n.domElement.ownerDocument.addEventListener("pointerup",H),n.dispatchEvent(b)}(e)}}function B(e){if(!1!==n.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){if(!1!==n.enabled){e.preventDefault(),e.stopPropagation();var t=l!==i?l:s;0!==t||n.noRotate?1!==t||n.noZoom?2!==t||n.noPan||x.copy(F(e.pageX,e.pageY)):m.copy(F(e.pageX,e.pageY)):(u.copy(h),h.copy(U(e.pageX,e.pageY))),n.update()}}(e)}}function H(e){if(!1!==n.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){!1!==n.enabled&&(e.preventDefault(),e.stopPropagation(),s=i,n.domElement.ownerDocument.removeEventListener("pointermove",B),n.domElement.ownerDocument.removeEventListener("pointerup",H),n.dispatchEvent(w))}(e)}}function G(e){!1!==n.enabled&&(window.removeEventListener("keydown",G),l===i&&(e.keyCode!==n.keys[0]||n.noRotate?e.keyCode!==n.keys[1]||n.noZoom?e.keyCode!==n.keys[2]||n.noPan||(l=2):l=1:l=0))}function V(){!1!==n.enabled&&(l=i,window.addEventListener("keydown",G))}function W(e){if(!1!==n.enabled&&!0!==n.noZoom){switch(e.preventDefault(),e.stopPropagation(),e.deltaMode){case 2:f.y-=.025*e.deltaY;break;case 1:f.y-=.01*e.deltaY;break;default:f.y-=25e-5*e.deltaY}n.update(),n.dispatchEvent(b),n.dispatchEvent(w)}}function j(e){if(!1!==n.enabled){switch(e.preventDefault(),e.touches.length){case 1:s=3,h.copy(U(e.touches[0].pageX,e.touches[0].pageY)),u.copy(h);break;default:s=4;var t=e.touches[0].pageX-e.touches[1].pageX,i=e.touches[0].pageY-e.touches[1].pageY;v=g=Math.sqrt(t*t+i*i);var r=(e.touches[0].pageX+e.touches[1].pageX)/2,a=(e.touches[0].pageY+e.touches[1].pageY)/2;y.copy(F(r,a)),x.copy(y)}n.dispatchEvent(b)}}function X(e){if(!1!==n.enabled)switch(e.preventDefault(),e.stopPropagation(),e.touches.length){case 1:u.copy(h),h.copy(U(e.touches[0].pageX,e.touches[0].pageY));break;default:var t=e.touches[0].pageX-e.touches[1].pageX,i=e.touches[0].pageY-e.touches[1].pageY;v=Math.sqrt(t*t+i*i);var r=(e.touches[0].pageX+e.touches[1].pageX)/2,a=(e.touches[0].pageY+e.touches[1].pageY)/2;x.copy(F(r,a))}}function q(e){if(!1!==n.enabled){switch(e.touches.length){case 0:s=i;break;case 1:s=3,h.copy(U(e.touches[0].pageX,e.touches[0].pageY)),u.copy(h)}n.dispatchEvent(w)}}function Y(e){!1!==n.enabled&&e.preventDefault()}this.rotateCamera=(T=new D,L=new C,A=new D,R=new D,P=new D,N=new D,function(){N.set(h.x-u.x,h.y-u.y,0),(S=N.length())?(c.copy(n.object.position).sub(n.target),A.copy(c).normalize(),R.copy(n.object.up).normalize(),P.crossVectors(R,A).normalize(),R.setLength(h.y-u.y),P.setLength(h.x-u.x),N.copy(R.add(P)),T.crossVectors(N,c).normalize(),S*=n.rotateSpeed,L.setFromAxisAngle(T,S),c.applyQuaternion(L),n.object.up.applyQuaternion(L),d.copy(T),p=S):!n.staticMoving&&p&&(p*=Math.sqrt(1-n.dynamicDampingFactor),c.copy(n.object.position).sub(n.target),L.setFromAxisAngle(d,p),c.applyQuaternion(L),n.object.up.applyQuaternion(L)),u.copy(h)}),this.zoomCamera=function(){var e;4===s?(e=g/v,g=v,n.object.isPerspectiveCamera?c.multiplyScalar(e):n.object.isOrthographicCamera?(n.object.zoom*=e,n.object.updateProjectionMatrix()):console.warn("THREE.TrackballControls: Unsupported camera type")):(1!=(e=1+(m.y-f.y)*n.zoomSpeed)&&e>0&&(n.object.isPerspectiveCamera?c.multiplyScalar(e):n.object.isOrthographicCamera?(n.object.zoom/=e,n.object.updateProjectionMatrix()):console.warn("THREE.TrackballControls: Unsupported camera type")),n.staticMoving?f.copy(m):f.y+=(m.y-f.y)*this.dynamicDampingFactor)},this.panCamera=(I=new E,O=new D,z=new D,function(){if(I.copy(x).sub(y),I.lengthSq()){if(n.object.isOrthographicCamera){var e=(n.object.right-n.object.left)/n.object.zoom/n.domElement.clientWidth,t=(n.object.top-n.object.bottom)/n.object.zoom/n.domElement.clientWidth;I.x*=e,I.y*=t}I.multiplyScalar(c.length()*n.panSpeed),z.copy(c).cross(n.object.up).setLength(I.x),z.add(O.copy(n.object.up).setLength(I.y)),n.object.position.add(z),n.target.add(z),n.staticMoving?y.copy(x):y.add(I.subVectors(x,y).multiplyScalar(n.dynamicDampingFactor))}}),this.checkDistances=function(){n.noZoom&&n.noPan||(c.lengthSq()>n.maxDistance*n.maxDistance&&(n.object.position.addVectors(n.target,c.setLength(n.maxDistance)),f.copy(m)),c.lengthSq()<n.minDistance*n.minDistance&&(n.object.position.addVectors(n.target,c.setLength(n.minDistance)),f.copy(m)))},this.update=function(){c.subVectors(n.object.position,n.target),n.noRotate||n.rotateCamera(),n.noZoom||n.zoomCamera(),n.noPan||n.panCamera(),n.object.position.addVectors(n.target,c),n.object.isPerspectiveCamera?(n.checkDistances(),n.object.lookAt(n.target),a.distanceToSquared(n.object.position)>r&&(n.dispatchEvent(_),a.copy(n.object.position))):n.object.isOrthographicCamera?(n.object.lookAt(n.target),(a.distanceToSquared(n.object.position)>r||o!==n.object.zoom)&&(n.dispatchEvent(_),a.copy(n.object.position),o=n.object.zoom)):console.warn("THREE.TrackballControls: Unsupported camera type")},this.reset=function(){s=i,l=i,n.target.copy(n.target0),n.object.position.copy(n.position0),n.object.up.copy(n.up0),n.object.zoom=n.zoom0,n.object.updateProjectionMatrix(),c.subVectors(n.object.position,n.target),n.object.lookAt(n.target),n.dispatchEvent(_),a.copy(n.object.position),o=n.object.zoom},this.dispose=function(){n.domElement.removeEventListener("contextmenu",Y),n.domElement.removeEventListener("pointerdown",k),n.domElement.removeEventListener("wheel",W),n.domElement.removeEventListener("touchstart",j),n.domElement.removeEventListener("touchend",q),n.domElement.removeEventListener("touchmove",X),n.domElement.ownerDocument.removeEventListener("pointermove",B),n.domElement.ownerDocument.removeEventListener("pointerup",H),window.removeEventListener("keydown",G),window.removeEventListener("keyup",V)},this.domElement.addEventListener("contextmenu",Y),this.domElement.addEventListener("pointerdown",k),this.domElement.addEventListener("wheel",W),this.domElement.addEventListener("touchstart",j),this.domElement.addEventListener("touchend",q),this.domElement.addEventListener("touchmove",X),this.domElement.ownerDocument.addEventListener("pointermove",B),this.domElement.ownerDocument.addEventListener("pointerup",H),window.addEventListener("keydown",G),window.addEventListener("keyup",V),this.handleResize(),this.update()};(Fr.prototype=Object.create(M.prototype)).constructor=Fr;const Ur=100,kr=1e3,Br=1001,Hr=1002,Gr=1003,Vr=1006,Wr=1008,jr=1012,Xr=1014,qr=1015,Yr=1016,Zr=1020,Jr=1022,Qr=1023,Kr=1026,$r=1027,ea=2300,ta=2301,na=2302,ia=2400,ra=2401,aa=2402,oa=3e3,sa=7680,la=35044,ca=35048,ua="300 es";function ha(){}Object.assign(ha.prototype,{addEventListener:function(e,t){void 0===this._listeners&&(this._listeners={});const n=this._listeners;void 0===n[e]&&(n[e]=[]),-1===n[e].indexOf(t)&&n[e].push(t)},hasEventListener:function(e,t){if(void 0===this._listeners)return!1;const n=this._listeners;return void 0!==n[e]&&-1!==n[e].indexOf(t)},removeEventListener:function(e,t){if(void 0===this._listeners)return;const n=this._listeners[e];if(void 0!==n){const e=n.indexOf(t);-1!==e&&n.splice(e,1)}},dispatchEvent:function(e){if(void 0===this._listeners)return;const t=this._listeners[e.type];if(void 0!==t){e.target=this;const n=t.slice(0);for(let t=0,i=n.length;t<i;t++)n[t].call(this,e)}}});const da=[];for(let e=0;e<256;e++)da[e]=(e<16?"0":"")+e.toString(16);let pa=1234567;const fa={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){const e=4294967295*Math.random()|0,t=4294967295*Math.random()|0,n=4294967295*Math.random()|0,i=4294967295*Math.random()|0;return(da[255&e]+da[e>>8&255]+da[e>>16&255]+da[e>>24&255]+"-"+da[255&t]+da[t>>8&255]+"-"+da[t>>16&15|64]+da[t>>24&255]+"-"+da[63&n|128]+da[n>>8&255]+"-"+da[n>>16&255]+da[n>>24&255]+da[255&i]+da[i>>8&255]+da[i>>16&255]+da[i>>24&255]).toUpperCase()},clamp:function(e,t,n){return Math.max(t,Math.min(n,e))},euclideanModulo:function(e,t){return(e%t+t)%t},mapLinear:function(e,t,n,i,r){return i+(e-t)*(r-i)/(n-t)},lerp:function(e,t,n){return(1-n)*e+n*t},damp:function(e,t,n,i){return fa.lerp(e,t,1-Math.exp(-n*i))},pingpong:function(e,t=1){return t-Math.abs(fa.euclideanModulo(e,2*t)-t)},smoothstep:function(e,t,n){return e<=t?0:e>=n?1:(e=(e-t)/(n-t))*e*(3-2*e)},smootherstep:function(e,t,n){return e<=t?0:e>=n?1:(e=(e-t)/(n-t))*e*e*(e*(6*e-15)+10)},randInt:function(e,t){return e+Math.floor(Math.random()*(t-e+1))},randFloat:function(e,t){return e+Math.random()*(t-e)},randFloatSpread:function(e){return e*(.5-Math.random())},seededRandom:function(e){return void 0!==e&&(pa=e%2147483647),pa=16807*pa%2147483647,(pa-1)/2147483646},degToRad:function(e){return e*fa.DEG2RAD},radToDeg:function(e){return e*fa.RAD2DEG},isPowerOfTwo:function(e){return 0==(e&e-1)&&0!==e},ceilPowerOfTwo:function(e){return Math.pow(2,Math.ceil(Math.log(e)/Math.LN2))},floorPowerOfTwo:function(e){return Math.pow(2,Math.floor(Math.log(e)/Math.LN2))},setQuaternionFromProperEuler:function(e,t,n,i,r){const a=Math.cos,o=Math.sin,s=a(n/2),l=o(n/2),c=a((t+i)/2),u=o((t+i)/2),h=a((t-i)/2),d=o((t-i)/2),p=a((i-t)/2),f=o((i-t)/2);switch(r){case"XYX":e.set(s*u,l*h,l*d,s*c);break;case"YZY":e.set(l*d,s*u,l*h,s*c);break;case"ZXZ":e.set(l*h,l*d,s*u,s*c);break;case"XZX":e.set(s*u,l*f,l*p,s*c);break;case"YXY":e.set(l*p,s*u,l*f,s*c);break;case"ZYZ":e.set(l*f,l*p,s*u,s*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}}};class ma{constructor(e=0,t=0){this.x=e,this.y=t}get width(){return this.x}set width(e){this.x=e}get height(){return this.y}set height(e){this.y=e}set(e,t){return this.x=e,this.y=t,this}setScalar(e){return this.x=e,this.y=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y)}copy(e){return this.x=e.x,this.y=e.y,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this)}addScalar(e){return this.x+=e,this.y+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this)}subScalar(e){return this.x-=e,this.y-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this}multiply(e){return this.x*=e.x,this.y*=e.y,this}multiplyScalar(e){return this.x*=e,this.y*=e,this}divide(e){return this.x/=e.x,this.y/=e.y,this}divideScalar(e){return this.multiplyScalar(1/e)}applyMatrix3(e){const t=this.x,n=this.y,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6],this.y=i[1]*t+i[4]*n+i[7],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(e){return this.x*e.x+this.y*e.y}cross(e){return this.x*e.y-this.y*e.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y;return t*t+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){const n=Math.cos(t),i=Math.sin(t),r=this.x-e.x,a=this.y-e.y;return this.x=r*n-a*i+e.x,this.y=r*i+a*n+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}}ma.prototype.isVector2=!0;class ga{constructor(){this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,r,a,o,s,l){const c=this.elements;return c[0]=e,c[1]=i,c[2]=o,c[3]=t,c[4]=r,c[5]=s,c[6]=n,c[7]=a,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[3],s=n[6],l=n[1],c=n[4],u=n[7],h=n[2],d=n[5],p=n[8],f=i[0],m=i[3],g=i[6],v=i[1],y=i[4],x=i[7],_=i[2],b=i[5],w=i[8];return r[0]=a*f+o*v+s*_,r[3]=a*m+o*y+s*b,r[6]=a*g+o*x+s*w,r[1]=l*f+c*v+u*_,r[4]=l*m+c*y+u*b,r[7]=l*g+c*x+u*w,r[2]=h*f+d*v+p*_,r[5]=h*m+d*y+p*b,r[8]=h*g+d*x+p*w,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8];return t*a*c-t*o*l-n*r*c+n*o*s+i*r*l-i*a*s}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],u=c*a-o*l,h=o*s-c*r,d=l*r-a*s,p=t*u+n*h+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const f=1/p;return e[0]=u*f,e[1]=(i*l-c*n)*f,e[2]=(o*n-i*a)*f,e[3]=h*f,e[4]=(c*t-i*s)*f,e[5]=(i*r-o*t)*f,e[6]=d*f,e[7]=(n*s-l*t)*f,e[8]=(a*t-n*r)*f,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,i,r,a,o){const s=Math.cos(r),l=Math.sin(r);return this.set(n*s,n*l,-n*(s*a+l*o)+a+e,-i*l,i*s,-i*(-l*a+s*o)+o+t,0,0,1),this}scale(e,t){const n=this.elements;return n[0]*=e,n[3]*=e,n[6]*=e,n[1]*=t,n[4]*=t,n[7]*=t,this}rotate(e){const t=Math.cos(e),n=Math.sin(e),i=this.elements,r=i[0],a=i[3],o=i[6],s=i[1],l=i[4],c=i[7];return i[0]=t*r+n*s,i[3]=t*a+n*l,i[6]=t*o+n*c,i[1]=-n*r+t*s,i[4]=-n*a+t*l,i[7]=-n*o+t*c,this}translate(e,t){const n=this.elements;return n[0]+=e*n[2],n[3]+=e*n[5],n[6]+=e*n[8],n[1]+=t*n[2],n[4]+=t*n[5],n[7]+=t*n[8],this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<9;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return(new this.constructor).fromArray(this.elements)}}let va;ga.prototype.isMatrix3=!0;const ya={getDataURL:function(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===va&&(va=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),va.width=e.width,va.height=e.height;const n=va.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=va}return t.width>2048||t.height>2048?t.toDataURL("image/jpeg",.6):t.toDataURL("image/png")}};let xa=0;class _a extends ha{constructor(e=_a.DEFAULT_IMAGE,t=_a.DEFAULT_MAPPING,n=1001,i=1001,r=1006,a=1008,o=1023,s=1009,l=1,c=3e3){super(),Object.defineProperty(this,"id",{value:xa++}),this.uuid=fa.generateUUID(),this.name="",this.image=e,this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=l,this.format=o,this.internalFormat=null,this.type=s,this.offset=new ma(0,0),this.repeat=new ma(1,1),this.center=new ma(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new ga,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.version=0,this.onUpdate=null}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){const i=this.image;if(void 0===i.uuid&&(i.uuid=fa.generateUUID()),!t&&void 0===e.images[i.uuid]){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(ba(i[e].image)):t.push(ba(i[e]))}else t=ba(i);e.images[i.uuid]={uuid:i.uuid,url:t}}n.image=i.uuid}return t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(300!==this.mapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case kr:e.x=e.x-Math.floor(e.x);break;case Br:e.x=e.x<0?0:1;break;case Hr:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case kr:e.y=e.y-Math.floor(e.y);break;case Br:e.y=e.y<0?0:1;break;case Hr:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&this.version++}}function ba(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?ya.getDataURL(e):e.data?{data:Array.prototype.slice.call(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}_a.DEFAULT_IMAGE=void 0,_a.DEFAULT_MAPPING=300,_a.prototype.isTexture=!0;class wa{constructor(e=0,t=0,n=0,i=1){this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,r=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*r,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,r;const a=.01,o=.1,s=e.elements,l=s[0],c=s[4],u=s[8],h=s[1],d=s[5],p=s[9],f=s[2],m=s[6],g=s[10];if(Math.abs(c-h)<a&&Math.abs(u-f)<a&&Math.abs(p-m)<a){if(Math.abs(c+h)<o&&Math.abs(u+f)<o&&Math.abs(p+m)<o&&Math.abs(l+d+g-3)<o)return this.set(1,0,0,0),this;t=Math.PI;const e=(l+1)/2,s=(d+1)/2,v=(g+1)/2,y=(c+h)/4,x=(u+f)/4,_=(p+m)/4;return e>s&&e>v?e<a?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(e),i=y/n,r=x/n):s>v?s<a?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(s),n=y/i,r=_/i):v<a?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=x/r,i=_/r),this.set(n,i,r,t),this}let v=Math.sqrt((m-p)*(m-p)+(u-f)*(u-f)+(h-c)*(h-c));return Math.abs(v)<.001&&(v=1),this.x=(m-p)/v,this.y=(u-f)/v,this.z=(h-c)/v,this.w=Math.acos((l+d+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}wa.prototype.isVector4=!0;class Ma extends ha{constructor(e,t,n){super(),this.width=e,this.height=t,this.depth=1,this.scissor=new wa(0,0,e,t),this.scissorTest=!1,this.viewport=new wa(0,0,e,t),n=n||{},this.texture=new _a(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.image={},this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:Vr,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null}setTexture(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}setSize(e,t,n=1){this.width===e&&this.height===t&&this.depth===n||(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}Ma.prototype.isWebGLRenderTarget=!0,class extends Ma{constructor(e,t,n){super(e,t,n),this.samples=4}copy(e){return super.copy.call(this,e),this.samples=e.samples,this}}.prototype.isWebGLMultisampleRenderTarget=!0;class Ea{constructor(e=0,t=0,n=0,i=1){this._x=e,this._y=t,this._z=n,this._w=i}static slerp(e,t,n,i){return n.copy(e).slerp(t,i)}static slerpFlat(e,t,n,i,r,a,o){let s=n[i+0],l=n[i+1],c=n[i+2],u=n[i+3];const h=r[a+0],d=r[a+1],p=r[a+2],f=r[a+3];if(0===o)return e[t+0]=s,e[t+1]=l,e[t+2]=c,void(e[t+3]=u);if(1===o)return e[t+0]=h,e[t+1]=d,e[t+2]=p,void(e[t+3]=f);if(u!==f||s!==h||l!==d||c!==p){let e=1-o;const t=s*h+l*d+c*p+u*f,n=t>=0?1:-1,i=1-t*t;if(i>Number.EPSILON){const r=Math.sqrt(i),a=Math.atan2(r,t*n);e=Math.sin(e*a)/r,o=Math.sin(o*a)/r}const r=o*n;if(s=s*e+h*r,l=l*e+d*r,c=c*e+p*r,u=u*e+f*r,e===1-o){const e=1/Math.sqrt(s*s+l*l+c*c+u*u);s*=e,l*=e,c*=e,u*=e}}e[t]=s,e[t+1]=l,e[t+2]=c,e[t+3]=u}static multiplyQuaternionsFlat(e,t,n,i,r,a){const o=n[i],s=n[i+1],l=n[i+2],c=n[i+3],u=r[a],h=r[a+1],d=r[a+2],p=r[a+3];return e[t]=o*p+c*u+s*d-l*h,e[t+1]=s*p+c*h+l*u-o*d,e[t+2]=l*p+c*d+o*h-s*u,e[t+3]=c*p-o*u-s*h-l*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!e||!e.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=e._x,i=e._y,r=e._z,a=e._order,o=Math.cos,s=Math.sin,l=o(n/2),c=o(i/2),u=o(r/2),h=s(n/2),d=s(i/2),p=s(r/2);switch(a){case"XYZ":this._x=h*c*u+l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u-h*d*p;break;case"YXZ":this._x=h*c*u+l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u+h*d*p;break;case"ZXY":this._x=h*c*u-l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u-h*d*p;break;case"ZYX":this._x=h*c*u-l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u+h*d*p;break;case"YZX":this._x=h*c*u+l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u-h*d*p;break;case"XZY":this._x=h*c*u-l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u+h*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],i=t[4],r=t[8],a=t[1],o=t[5],s=t[9],l=t[2],c=t[6],u=t[10],h=n+o+u;if(h>0){const e=.5/Math.sqrt(h+1);this._w=.25/e,this._x=(c-s)*e,this._y=(r-l)*e,this._z=(a-i)*e}else if(n>o&&n>u){const e=2*Math.sqrt(1+n-o-u);this._w=(c-s)/e,this._x=.25*e,this._y=(i+a)/e,this._z=(r+l)/e}else if(o>u){const e=2*Math.sqrt(1+o-n-u);this._w=(r-l)/e,this._x=(i+a)/e,this._y=.25*e,this._z=(s+c)/e}else{const e=2*Math.sqrt(1+u-n-o);this._w=(a-i)/e,this._x=(r+l)/e,this._y=(s+c)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<1e-6?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(fa.clamp(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(0===n)return this;const i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return void 0!==t?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const n=e._x,i=e._y,r=e._z,a=e._w,o=t._x,s=t._y,l=t._z,c=t._w;return this._x=n*c+a*o+i*l-r*s,this._y=i*c+a*s+r*o-n*l,this._z=r*c+a*l+n*s-i*o,this._w=a*c-n*o-i*s-r*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const n=this._x,i=this._y,r=this._z,a=this._w;let o=a*e._w+n*e._x+i*e._y+r*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;const s=1-o*o;if(s<=Number.EPSILON){const e=1-t;return this._w=e*a+t*this._w,this._x=e*n+t*this._x,this._y=e*i+t*this._y,this._z=e*r+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(s),c=Math.atan2(l,o),u=Math.sin((1-t)*c)/l,h=Math.sin(t*c)/l;return this._w=a*u+this._w*h,this._x=n*u+this._x*h,this._y=i*u+this._y*h,this._z=r*u+this._z*h,this._onChangeCallback(),this}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}Ea.prototype.isQuaternion=!0;class Sa{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return void 0===n&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(La.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(La.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,r=e.elements,a=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,i=this.z,r=e.x,a=e.y,o=e.z,s=e.w,l=s*t+a*i-o*n,c=s*n+o*t-r*i,u=s*i+r*n-a*t,h=-r*t-a*n-o*i;return this.x=l*s+h*-r+c*-o-u*-a,this.y=c*s+h*-a+u*-r-l*-o,this.z=u*s+h*-o+l*-a-c*-r,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return void 0!==t?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,i=e.y,r=e.z,a=t.x,o=t.y,s=t.z;return this.x=i*s-r*o,this.y=r*a-n*s,this.z=n*o-i*a,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Ta.copy(this).projectOnVector(e),this.sub(Ta)}reflect(e){return this.sub(Ta.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(fa.clamp(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}}Sa.prototype.isVector3=!0;const Ta=new Sa,La=new Ea;class Aa{constructor(e=new Sa(1/0,1/0,1/0),t=new Sa(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.length;s<l;s+=3){const l=e[s],c=e[s+1],u=e[s+2];l<t&&(t=l),c<n&&(n=c),u<i&&(i=u),l>r&&(r=l),c>a&&(a=c),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.count;s<l;s++){const l=e.getX(s),c=e.getY(s),u=e.getZ(s);l<t&&(t=l),c<n&&(n=c),u<i&&(i=u),l>r&&(r=l),c>a&&(a=c),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=Pa.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e){return this.makeEmpty(),this.expandByObject(e)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return void 0===e&&(console.warn("THREE.Box3: .getCenter() target is now required"),e=new Sa),this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return void 0===e&&(console.warn("THREE.Box3: .getSize() target is now required"),e=new Sa),this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e){e.updateWorldMatrix(!1,!1);const t=e.geometry;void 0!==t&&(null===t.boundingBox&&t.computeBoundingBox(),Ca.copy(t.boundingBox),Ca.applyMatrix4(e.matrixWorld),this.union(Ca));const n=e.children;for(let e=0,t=n.length;e<t;e++)this.expandByObject(n[e]);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return void 0===t&&(console.warn("THREE.Box3: .getParameter() target is now required"),t=new Sa),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Pa),Pa.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Ua),ka.subVectors(this.max,Ua),Da.subVectors(e.a,Ua),Na.subVectors(e.b,Ua),Ia.subVectors(e.c,Ua),Oa.subVectors(Na,Da),za.subVectors(Ia,Na),Fa.subVectors(Da,Ia);let t=[0,-Oa.z,Oa.y,0,-za.z,za.y,0,-Fa.z,Fa.y,Oa.z,0,-Oa.x,za.z,0,-za.x,Fa.z,0,-Fa.x,-Oa.y,Oa.x,0,-za.y,za.x,0,-Fa.y,Fa.x,0];return!!Ga(t,Da,Na,Ia,ka)&&(t=[1,0,0,0,1,0,0,0,1],!!Ga(t,Da,Na,Ia,ka)&&(Ba.crossVectors(Oa,za),t=[Ba.x,Ba.y,Ba.z],Ga(t,Da,Na,Ia,ka)))}clampPoint(e,t){return void 0===t&&(console.warn("THREE.Box3: .clampPoint() target is now required"),t=new Sa),t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Pa.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return void 0===e&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(e.center),e.radius=.5*this.getSize(Pa).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(Ra[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Ra[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Ra[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Ra[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Ra[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Ra[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Ra[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Ra[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Ra)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}Aa.prototype.isBox3=!0;const Ra=[new Sa,new Sa,new Sa,new Sa,new Sa,new Sa,new Sa,new Sa],Pa=new Sa,Ca=new Aa,Da=new Sa,Na=new Sa,Ia=new Sa,Oa=new Sa,za=new Sa,Fa=new Sa,Ua=new Sa,ka=new Sa,Ba=new Sa,Ha=new Sa;function Ga(e,t,n,i,r){for(let a=0,o=e.length-3;a<=o;a+=3){Ha.fromArray(e,a);const o=r.x*Math.abs(Ha.x)+r.y*Math.abs(Ha.y)+r.z*Math.abs(Ha.z),s=t.dot(Ha),l=n.dot(Ha),c=i.dot(Ha);if(Math.max(-Math.max(s,l,c),Math.min(s,l,c))>o)return!1}return!0}const Va=new Aa;class Wa{constructor(e=new Sa,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;void 0!==t?n.copy(t):Va.setFromPoints(e).getCenter(n);let i=0;for(let t=0,r=e.length;t<r;t++)i=Math.max(i,n.distanceToSquared(e[t]));return this.radius=Math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const n=this.center.distanceToSquared(e);return void 0===t&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),t=new Sa),t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return void 0===e&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),e=new Aa),this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const ja=new Sa,Xa=new Sa,qa=new Sa,Ya=new Sa,Za=new Sa,Ja=new Sa,Qa=new Sa;class Ka{constructor(e=new Sa,t=new Sa(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return void 0===t&&(console.warn("THREE.Ray: .at() target is now required"),t=new Sa),t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,ja)),this}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),t=new Sa),t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=ja.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(ja.copy(this.direction).multiplyScalar(t).add(this.origin),ja.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){Xa.copy(e).add(t).multiplyScalar(.5),qa.copy(t).sub(e).normalize(),Ya.copy(this.origin).sub(Xa);const r=.5*e.distanceTo(t),a=-this.direction.dot(qa),o=Ya.dot(this.direction),s=-Ya.dot(qa),l=Ya.lengthSq(),c=Math.abs(1-a*a);let u,h,d,p;if(c>0)if(u=a*s-o,h=a*o-s,p=r*c,u>=0)if(h>=-p)if(h<=p){const e=1/c;u*=e,h*=e,d=u*(u+a*h+2*o)+h*(a*u+h+2*s)+l}else h=r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h=-r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h<=-p?(u=Math.max(0,-(-a*r+o)),h=u>0?-r:Math.min(Math.max(-r,-s),r),d=-u*u+h*(h+2*s)+l):h<=p?(u=0,h=Math.min(Math.max(-r,-s),r),d=h*(h+2*s)+l):(u=Math.max(0,-(a*r+o)),h=u>0?r:Math.min(Math.max(-r,-s),r),d=-u*u+h*(h+2*s)+l);else h=a>0?-r:r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;return n&&n.copy(this.direction).multiplyScalar(u).add(this.origin),i&&i.copy(qa).multiplyScalar(h).add(Xa),d}intersectSphere(e,t){ja.subVectors(e.center,this.origin);const n=ja.dot(this.direction),i=ja.dot(ja)-n*n,r=e.radius*e.radius;if(i>r)return null;const a=Math.sqrt(r-i),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return null===n?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,r,a,o,s;const l=1/this.direction.x,c=1/this.direction.y,u=1/this.direction.z,h=this.origin;return l>=0?(n=(e.min.x-h.x)*l,i=(e.max.x-h.x)*l):(n=(e.max.x-h.x)*l,i=(e.min.x-h.x)*l),c>=0?(r=(e.min.y-h.y)*c,a=(e.max.y-h.y)*c):(r=(e.max.y-h.y)*c,a=(e.min.y-h.y)*c),n>a||r>i?null:((r>n||n!=n)&&(n=r),(a<i||i!=i)&&(i=a),u>=0?(o=(e.min.z-h.z)*u,s=(e.max.z-h.z)*u):(o=(e.max.z-h.z)*u,s=(e.min.z-h.z)*u),n>s||o>i?null:((o>n||n!=n)&&(n=o),(s<i||i!=i)&&(i=s),i<0?null:this.at(n>=0?n:i,t)))}intersectsBox(e){return null!==this.intersectBox(e,ja)}intersectTriangle(e,t,n,i,r){Za.subVectors(t,e),Ja.subVectors(n,e),Qa.crossVectors(Za,Ja);let a,o=this.direction.dot(Qa);if(o>0){if(i)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}Ya.subVectors(this.origin,e);const s=a*this.direction.dot(Ja.crossVectors(Ya,Ja));if(s<0)return null;const l=a*this.direction.dot(Za.cross(Ya));if(l<0)return null;if(s+l>o)return null;const c=-a*Ya.dot(Qa);return c<0?null:this.at(c/o,r)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class $a{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,r,a,o,s,l,c,u,h,d,p,f,m){const g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=o,g[13]=s,g[2]=l,g[6]=c,g[10]=u,g[14]=h,g[3]=d,g[7]=p,g[11]=f,g[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new $a).fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,n=e.elements,i=1/eo.setFromMatrixColumn(e,0).length(),r=1/eo.setFromMatrixColumn(e,1).length(),a=1/eo.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const t=this.elements,n=e.x,i=e.y,r=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(i),l=Math.sin(i),c=Math.cos(r),u=Math.sin(r);if("XYZ"===e.order){const e=a*c,n=a*u,i=o*c,r=o*u;t[0]=s*c,t[4]=-s*u,t[8]=l,t[1]=n+i*l,t[5]=e-r*l,t[9]=-o*s,t[2]=r-e*l,t[6]=i+n*l,t[10]=a*s}else if("YXZ"===e.order){const e=s*c,n=s*u,i=l*c,r=l*u;t[0]=e+r*o,t[4]=i*o-n,t[8]=a*l,t[1]=a*u,t[5]=a*c,t[9]=-o,t[2]=n*o-i,t[6]=r+e*o,t[10]=a*s}else if("ZXY"===e.order){const e=s*c,n=s*u,i=l*c,r=l*u;t[0]=e-r*o,t[4]=-a*u,t[8]=i+n*o,t[1]=n+i*o,t[5]=a*c,t[9]=r-e*o,t[2]=-a*l,t[6]=o,t[10]=a*s}else if("ZYX"===e.order){const e=a*c,n=a*u,i=o*c,r=o*u;t[0]=s*c,t[4]=i*l-n,t[8]=e*l+r,t[1]=s*u,t[5]=r*l+e,t[9]=n*l-i,t[2]=-l,t[6]=o*s,t[10]=a*s}else if("YZX"===e.order){const e=a*s,n=a*l,i=o*s,r=o*l;t[0]=s*c,t[4]=r-e*u,t[8]=i*u+n,t[1]=u,t[5]=a*c,t[9]=-o*c,t[2]=-l*c,t[6]=n*u+i,t[10]=e-r*u}else if("XZY"===e.order){const e=a*s,n=a*l,i=o*s,r=o*l;t[0]=s*c,t[4]=-u,t[8]=l*c,t[1]=e*u+r,t[5]=a*c,t[9]=n*u-i,t[2]=i*u-n,t[6]=o*c,t[10]=r*u+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(no,e,io)}lookAt(e,t,n){const i=this.elements;return oo.subVectors(e,t),0===oo.lengthSq()&&(oo.z=1),oo.normalize(),ro.crossVectors(n,oo),0===ro.lengthSq()&&(1===Math.abs(n.z)?oo.x+=1e-4:oo.z+=1e-4,oo.normalize(),ro.crossVectors(n,oo)),ro.normalize(),ao.crossVectors(oo,ro),i[0]=ro.x,i[4]=ao.x,i[8]=oo.x,i[1]=ro.y,i[5]=ao.y,i[9]=oo.y,i[2]=ro.z,i[6]=ao.z,i[10]=oo.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[4],s=n[8],l=n[12],c=n[1],u=n[5],h=n[9],d=n[13],p=n[2],f=n[6],m=n[10],g=n[14],v=n[3],y=n[7],x=n[11],_=n[15],b=i[0],w=i[4],M=i[8],E=i[12],S=i[1],T=i[5],L=i[9],A=i[13],R=i[2],P=i[6],C=i[10],D=i[14],N=i[3],I=i[7],O=i[11],z=i[15];return r[0]=a*b+o*S+s*R+l*N,r[4]=a*w+o*T+s*P+l*I,r[8]=a*M+o*L+s*C+l*O,r[12]=a*E+o*A+s*D+l*z,r[1]=c*b+u*S+h*R+d*N,r[5]=c*w+u*T+h*P+d*I,r[9]=c*M+u*L+h*C+d*O,r[13]=c*E+u*A+h*D+d*z,r[2]=p*b+f*S+m*R+g*N,r[6]=p*w+f*T+m*P+g*I,r[10]=p*M+f*L+m*C+g*O,r[14]=p*E+f*A+m*D+g*z,r[3]=v*b+y*S+x*R+_*N,r[7]=v*w+y*T+x*P+_*I,r[11]=v*M+y*L+x*C+_*O,r[15]=v*E+y*A+x*D+_*z,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[4],i=e[8],r=e[12],a=e[1],o=e[5],s=e[9],l=e[13],c=e[2],u=e[6],h=e[10],d=e[14];return e[3]*(+r*s*u-i*l*u-r*o*h+n*l*h+i*o*d-n*s*d)+e[7]*(+t*s*d-t*l*h+r*a*h-i*a*d+i*l*c-r*s*c)+e[11]*(+t*l*u-t*o*d-r*a*u+n*a*d+r*o*c-n*l*c)+e[15]*(-i*o*c-t*s*u+t*o*h+i*a*u-n*a*h+n*s*c)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],u=e[9],h=e[10],d=e[11],p=e[12],f=e[13],m=e[14],g=e[15],v=u*m*l-f*h*l+f*s*d-o*m*d-u*s*g+o*h*g,y=p*h*l-c*m*l-p*s*d+a*m*d+c*s*g-a*h*g,x=c*f*l-p*u*l+p*o*d-a*f*d-c*o*g+a*u*g,_=p*u*s-c*f*s-p*o*h+a*f*h+c*o*m-a*u*m,b=t*v+n*y+i*x+r*_;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const w=1/b;return e[0]=v*w,e[1]=(f*h*r-u*m*r-f*i*d+n*m*d+u*i*g-n*h*g)*w,e[2]=(o*m*r-f*s*r+f*i*l-n*m*l-o*i*g+n*s*g)*w,e[3]=(u*s*r-o*h*r-u*i*l+n*h*l+o*i*d-n*s*d)*w,e[4]=y*w,e[5]=(c*m*r-p*h*r+p*i*d-t*m*d-c*i*g+t*h*g)*w,e[6]=(p*s*r-a*m*r-p*i*l+t*m*l+a*i*g-t*s*g)*w,e[7]=(a*h*r-c*s*r+c*i*l-t*h*l-a*i*d+t*s*d)*w,e[8]=x*w,e[9]=(p*u*r-c*f*r-p*n*d+t*f*d+c*n*g-t*u*g)*w,e[10]=(a*f*r-p*o*r+p*n*l-t*f*l-a*n*g+t*o*g)*w,e[11]=(c*o*r-a*u*r-c*n*l+t*u*l+a*n*d-t*o*d)*w,e[12]=_*w,e[13]=(c*f*i-p*u*i+p*n*h-t*f*h-c*n*m+t*u*m)*w,e[14]=(p*o*i-a*f*i-p*n*s+t*f*s+a*n*m-t*o*m)*w,e[15]=(a*u*i-c*o*i+c*n*s-t*u*s-a*n*h+t*o*h)*w,this}scale(e){const t=this.elements,n=e.x,i=e.y,r=e.z;return t[0]*=n,t[4]*=i,t[8]*=r,t[1]*=n,t[5]*=i,t[9]*=r,t[2]*=n,t[6]*=i,t[10]*=r,t[3]*=n,t[7]*=i,t[11]*=r,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const n=Math.cos(t),i=Math.sin(t),r=1-n,a=e.x,o=e.y,s=e.z,l=r*a,c=r*o;return this.set(l*a+n,l*o-i*s,l*s+i*o,0,l*o+i*s,c*o+n,c*s-i*a,0,l*s-i*o,c*s+i*a,r*s*s+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n){return this.set(1,t,n,0,e,1,n,0,e,t,1,0,0,0,0,1),this}compose(e,t,n){const i=this.elements,r=t._x,a=t._y,o=t._z,s=t._w,l=r+r,c=a+a,u=o+o,h=r*l,d=r*c,p=r*u,f=a*c,m=a*u,g=o*u,v=s*l,y=s*c,x=s*u,_=n.x,b=n.y,w=n.z;return i[0]=(1-(f+g))*_,i[1]=(d+x)*_,i[2]=(p-y)*_,i[3]=0,i[4]=(d-x)*b,i[5]=(1-(h+g))*b,i[6]=(m+v)*b,i[7]=0,i[8]=(p+y)*w,i[9]=(m-v)*w,i[10]=(1-(h+f))*w,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){const i=this.elements;let r=eo.set(i[0],i[1],i[2]).length();const a=eo.set(i[4],i[5],i[6]).length(),o=eo.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),e.x=i[12],e.y=i[13],e.z=i[14],to.copy(this);const s=1/r,l=1/a,c=1/o;return to.elements[0]*=s,to.elements[1]*=s,to.elements[2]*=s,to.elements[4]*=l,to.elements[5]*=l,to.elements[6]*=l,to.elements[8]*=c,to.elements[9]*=c,to.elements[10]*=c,t.setFromRotationMatrix(to),n.x=r,n.y=a,n.z=o,this}makePerspective(e,t,n,i,r,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const o=this.elements,s=2*r/(t-e),l=2*r/(n-i),c=(t+e)/(t-e),u=(n+i)/(n-i),h=-(a+r)/(a-r),d=-2*a*r/(a-r);return o[0]=s,o[4]=0,o[8]=c,o[12]=0,o[1]=0,o[5]=l,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=h,o[14]=d,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,r,a){const o=this.elements,s=1/(t-e),l=1/(n-i),c=1/(a-r),u=(t+e)*s,h=(n+i)*l,d=(a+r)*c;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*l,o[9]=0,o[13]=-h,o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-d,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}$a.prototype.isMatrix4=!0;const eo=new Sa,to=new $a,no=new Sa(0,0,0),io=new Sa(1,1,1),ro=new Sa,ao=new Sa,oo=new Sa,so=new $a,lo=new Ea;class co{constructor(e=0,t=0,n=0,i=co.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._order=i||this._order,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t,n){const i=fa.clamp,r=e.elements,a=r[0],o=r[4],s=r[8],l=r[1],c=r[5],u=r[9],h=r[2],d=r[6],p=r[10];switch(t=t||this._order){case"XYZ":this._y=Math.asin(i(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-u,p),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-i(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(s,p),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,a),this._z=0);break;case"ZXY":this._x=Math.asin(i(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,p),this._z=Math.atan2(-o,c)):(this._y=0,this._z=Math.atan2(l,a));break;case"ZYX":this._y=Math.asin(-i(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,p),this._z=Math.atan2(l,a)):(this._x=0,this._z=Math.atan2(-o,c));break;case"YZX":this._z=Math.asin(i(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,a)):(this._x=0,this._y=Math.atan2(s,p));break;case"XZY":this._z=Math.asin(-i(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-u,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!1!==n&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return so.makeRotationFromQuaternion(e),this.setFromRotationMatrix(so,t,n)}setFromVector3(e,t){return this.set(e.x,e.y,e.z,t||this._order)}reorder(e){return lo.setFromEuler(this),this.setFromQuaternion(lo,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new Sa(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}co.prototype.isEuler=!0,co.DefaultOrder="XYZ",co.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class uo{constructor(){this.mask=1}set(e){this.mask=1<<e|0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return 0!=(this.mask&e.mask)}}let ho=0;const po=new Sa,fo=new Ea,mo=new $a,go=new Sa,vo=new Sa,yo=new Sa,xo=new Ea,_o=new Sa(1,0,0),bo=new Sa(0,1,0),wo=new Sa(0,0,1),Mo={type:"added"},Eo={type:"removed"};function So(){Object.defineProperty(this,"id",{value:ho++}),this.uuid=fa.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=So.DefaultUp.clone();const e=new Sa,t=new co,n=new Ea,i=new Sa(1,1,1);t._onChange((function(){n.setFromEuler(t,!1)})),n._onChange((function(){t.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new $a},normalMatrix:{value:new ga}}),this.matrix=new $a,this.matrixWorld=new $a,this.matrixAutoUpdate=So.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new uo,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}So.DefaultUp=new Sa(0,1,0),So.DefaultMatrixAutoUpdate=!0,So.prototype=Object.assign(Object.create(ha.prototype),{constructor:So,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix4:function(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(e){return this.quaternion.premultiply(e),this},setRotationFromAxisAngle:function(e,t){this.quaternion.setFromAxisAngle(e,t)},setRotationFromEuler:function(e){this.quaternion.setFromEuler(e,!0)},setRotationFromMatrix:function(e){this.quaternion.setFromRotationMatrix(e)},setRotationFromQuaternion:function(e){this.quaternion.copy(e)},rotateOnAxis:function(e,t){return fo.setFromAxisAngle(e,t),this.quaternion.multiply(fo),this},rotateOnWorldAxis:function(e,t){return fo.setFromAxisAngle(e,t),this.quaternion.premultiply(fo),this},rotateX:function(e){return this.rotateOnAxis(_o,e)},rotateY:function(e){return this.rotateOnAxis(bo,e)},rotateZ:function(e){return this.rotateOnAxis(wo,e)},translateOnAxis:function(e,t){return po.copy(e).applyQuaternion(this.quaternion),this.position.add(po.multiplyScalar(t)),this},translateX:function(e){return this.translateOnAxis(_o,e)},translateY:function(e){return this.translateOnAxis(bo,e)},translateZ:function(e){return this.translateOnAxis(wo,e)},localToWorld:function(e){return e.applyMatrix4(this.matrixWorld)},worldToLocal:function(e){return e.applyMatrix4(mo.copy(this.matrixWorld).invert())},lookAt:function(e,t,n){e.isVector3?go.copy(e):go.set(e,t,n);const i=this.parent;this.updateWorldMatrix(!0,!1),vo.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?mo.lookAt(vo,go,this.up):mo.lookAt(go,vo,this.up),this.quaternion.setFromRotationMatrix(mo),i&&(mo.extractRotation(i.matrixWorld),fo.setFromRotationMatrix(mo),this.quaternion.premultiply(fo.invert()))},add:function(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(Mo)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)},remove:function(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Eo)),this},clear:function(){for(let e=0;e<this.children.length;e++){const t=this.children[e];t.parent=null,t.dispatchEvent(Eo)}return this.children.length=0,this},attach:function(e){return this.updateWorldMatrix(!0,!1),mo.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),mo.multiply(e.parent.matrixWorld)),e.applyMatrix4(mo),this.add(e),e.updateWorldMatrix(!1,!0),this},getObjectById:function(e){return this.getObjectByProperty("id",e)},getObjectByName:function(e){return this.getObjectByProperty("name",e)},getObjectByProperty:function(e,t){if(this[e]===t)return this;for(let n=0,i=this.children.length;n<i;n++){const i=this.children[n].getObjectByProperty(e,t);if(void 0!==i)return i}},getWorldPosition:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),e=new Sa),this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),e=new Ea),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(vo,e,yo),e},getWorldScale:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),e=new Sa),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(vo,xo,e),e},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),e=new Sa),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()},raycast:function(){},traverse:function(e){e(this);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverse(e)},traverseVisible:function(e){if(!1===this.visible)return;e(this);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverseVisible(e)},traverseAncestors:function(e){const t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].updateMatrixWorld(e)},updateWorldMatrix:function(e,t){const n=this.parent;if(!0===e&&null!==n&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===t){const e=this.children;for(let t=0,n=e.length;t<n;t++)e[t].updateWorldMatrix(!1,!0)}},toJSON:function(e){const t=void 0===e||"string"==typeof e,n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const i={};function r(t,n){return void 0===t[n.uuid]&&(t[n.uuid]=n.toJSON(e)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON()),this.isMesh||this.isLine||this.isPoints){i.geometry=r(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const n=t.shapes;if(Array.isArray(n))for(let t=0,i=n.length;t<i;t++){const i=n[t];r(e.shapes,i)}else r(e.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(e.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let n=0,i=this.material.length;n<i;n++)t.push(r(e.materials,this.material[n]));i.material=t}else i.material=r(e.materials,this.material);if(this.children.length>0){i.children=[];for(let t=0;t<this.children.length;t++)i.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){i.animations=[];for(let t=0;t<this.animations.length;t++){const n=this.animations[t];i.animations.push(r(e.animations,n))}}if(t){const t=a(e.geometries),i=a(e.materials),r=a(e.textures),o=a(e.images),s=a(e.shapes),l=a(e.skeletons),c=a(e.animations);t.length>0&&(n.geometries=t),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),o.length>0&&(n.images=o),s.length>0&&(n.shapes=s),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c)}return n.object=i,n;function a(e){const t=[];for(const n in e){const i=e[n];delete i.metadata,t.push(i)}return t}},clone:function(e){return(new this.constructor).copy(this,e)},copy:function(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){const n=e.children[t];this.add(n.clone())}return this}});const To=new Sa,Lo=new Sa,Ao=new ga;class Ro{constructor(e=new Sa(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const i=To.subVectors(n,t).cross(Lo.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return void 0===t&&(console.warn("THREE.Plane: .projectPoint() target is now required"),t=new Sa),t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){void 0===t&&(console.warn("THREE.Plane: .intersectLine() target is now required"),t=new Sa);const n=e.delta(To),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(e.start)?t.copy(e.start):void 0;const r=-(e.start.dot(this.normal)+this.constant)/i;return r<0||r>1?void 0:t.copy(n).multiplyScalar(r).add(e.start)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return void 0===e&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),e=new Sa),e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const n=t||Ao.getNormalMatrix(e),i=this.coplanarPoint(To).applyMatrix4(e),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}Ro.prototype.isPlane=!0;const Po=new Sa,Co=new Sa,Do=new Sa,No=new Sa,Io=new Sa,Oo=new Sa,zo=new Sa,Fo=new Sa,Uo=new Sa,ko=new Sa;class Bo{constructor(e=new Sa,t=new Sa,n=new Sa){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,i){void 0===i&&(console.warn("THREE.Triangle: .getNormal() target is now required"),i=new Sa),i.subVectors(n,t),Po.subVectors(e,t),i.cross(Po);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(e,t,n,i,r){Po.subVectors(i,t),Co.subVectors(n,t),Do.subVectors(e,t);const a=Po.dot(Po),o=Po.dot(Co),s=Po.dot(Do),l=Co.dot(Co),c=Co.dot(Do),u=a*l-o*o;if(void 0===r&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),r=new Sa),0===u)return r.set(-2,-1,-1);const h=1/u,d=(l*s-o*c)*h,p=(a*c-o*s)*h;return r.set(1-d-p,p,d)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,No),No.x>=0&&No.y>=0&&No.x+No.y<=1}static getUV(e,t,n,i,r,a,o,s){return this.getBarycoord(e,t,n,i,No),s.set(0,0),s.addScaledVector(r,No.x),s.addScaledVector(a,No.y),s.addScaledVector(o,No.z),s}static isFrontFacing(e,t,n,i){return Po.subVectors(n,t),Co.subVectors(e,t),Po.cross(Co).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return Po.subVectors(this.c,this.b),Co.subVectors(this.a,this.b),.5*Po.cross(Co).length()}getMidpoint(e){return void 0===e&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),e=new Sa),e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return Bo.getNormal(this.a,this.b,this.c,e)}getPlane(e){return void 0===e&&(console.warn("THREE.Triangle: .getPlane() target is now required"),e=new Ro),e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return Bo.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,r){return Bo.getUV(e,this.a,this.b,this.c,t,n,i,r)}containsPoint(e){return Bo.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return Bo.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),t=new Sa);const n=this.a,i=this.b,r=this.c;let a,o;Io.subVectors(i,n),Oo.subVectors(r,n),Fo.subVectors(e,n);const s=Io.dot(Fo),l=Oo.dot(Fo);if(s<=0&&l<=0)return t.copy(n);Uo.subVectors(e,i);const c=Io.dot(Uo),u=Oo.dot(Uo);if(c>=0&&u<=c)return t.copy(i);const h=s*u-c*l;if(h<=0&&s>=0&&c<=0)return a=s/(s-c),t.copy(n).addScaledVector(Io,a);ko.subVectors(e,r);const d=Io.dot(ko),p=Oo.dot(ko);if(p>=0&&d<=p)return t.copy(r);const f=d*l-s*p;if(f<=0&&l>=0&&p<=0)return o=l/(l-p),t.copy(n).addScaledVector(Oo,o);const m=c*p-d*u;if(m<=0&&u-c>=0&&d-p>=0)return zo.subVectors(r,i),o=(u-c)/(u-c+(d-p)),t.copy(i).addScaledVector(zo,o);const g=1/(m+f+h);return a=f*g,o=h*g,t.copy(n).addScaledVector(Io,a).addScaledVector(Oo,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let Ho=0;function Go(){Object.defineProperty(this,"id",{value:Ho++}),this.uuid=fa.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=Ur,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=sa,this.stencilZFail=sa,this.stencilZPass=sa,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}Go.prototype=Object.assign(Object.create(ha.prototype),{constructor:Go,isMaterial:!0,onBeforeCompile:function(){},customProgramCacheKey:function(){return this.onBeforeCompile.toString()},setValues:function(e){if(void 0!==e)for(const t in e){const n=e[t];if(void 0===n){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if("shading"===t){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;continue}const i=this[t];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n:console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.")}},toJSON:function(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function i(e){const t=[];for(const n in e){const i=e[n];delete i.metadata,t.push(i)}return t}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),this.sheen&&this.sheen.isColor&&(n.sheen=this.sheen.getHex()),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,n.reflectivity=this.reflectivity,n.refractionRatio=this.refractionRatio,void 0!==this.combine&&(n.combine=this.combine),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity)),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.size&&(n.size=this.size),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){const t=i(e.textures),r=i(e.images);t.length>0&&(n.textures=t),r.length>0&&(n.images=r)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(null!==t){const e=t.length;n=new Array(e);for(let i=0;i!==e;++i)n[i]=t[i].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(Go.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}});const Vo={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Wo={h:0,s:0,l:0},jo={h:0,s:0,l:0};function Xo(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}function qo(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function Yo(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}class Zo{constructor(e,t,n){return void 0===t&&void 0===n?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,this}setRGB(e,t,n){return this.r=e,this.g=t,this.b=n,this}setHSL(e,t,n){if(e=fa.euclideanModulo(e,1),t=fa.clamp(t,0,1),n=fa.clamp(n,0,1),0===t)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+t):n+t-n*t,r=2*n-i;this.r=Xo(r,i,e+1/3),this.g=Xo(r,i,e),this.b=Xo(r,i,e-1/3)}return this}setStyle(e){function t(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let e;const i=n[1],r=n[2];switch(i){case"rgb":case"rgba":if(e=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))return this.r=Math.min(255,parseInt(e[1],10))/255,this.g=Math.min(255,parseInt(e[2],10))/255,this.b=Math.min(255,parseInt(e[3],10))/255,t(e[4]),this;if(e=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))return this.r=Math.min(100,parseInt(e[1],10))/100,this.g=Math.min(100,parseInt(e[2],10))/100,this.b=Math.min(100,parseInt(e[3],10))/100,t(e[4]),this;break;case"hsl":case"hsla":if(e=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r)){const n=parseFloat(e[1])/360,i=parseInt(e[2],10)/100,r=parseInt(e[3],10)/100;return t(e[4]),this.setHSL(n,i,r)}}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){const e=n[1],t=e.length;if(3===t)return this.r=parseInt(e.charAt(0)+e.charAt(0),16)/255,this.g=parseInt(e.charAt(1)+e.charAt(1),16)/255,this.b=parseInt(e.charAt(2)+e.charAt(2),16)/255,this;if(6===t)return this.r=parseInt(e.charAt(0)+e.charAt(1),16)/255,this.g=parseInt(e.charAt(2)+e.charAt(3),16)/255,this.b=parseInt(e.charAt(4)+e.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){const t=Vo[e];return void 0!==t?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){const n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=qo(e.r),this.g=qo(e.g),this.b=qo(e.b),this}copyLinearToSRGB(e){return this.r=Yo(e.r),this.g=Yo(e.g),this.b=Yo(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){void 0===e&&(console.warn("THREE.Color: .getHSL() target is now required"),e={h:0,s:0,l:0});const t=this.r,n=this.g,i=this.b,r=Math.max(t,n,i),a=Math.min(t,n,i);let o,s;const l=(a+r)/2;if(a===r)o=0,s=0;else{const e=r-a;switch(s=l<=.5?e/(r+a):e/(2-r-a),r){case t:o=(n-i)/e+(n<i?6:0);break;case n:o=(i-t)/e+2;break;case i:o=(t-n)/e+4}o/=6}return e.h=o,e.s=s,e.l=l,e}getStyle(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"}offsetHSL(e,t,n){return this.getHSL(Wo),Wo.h+=e,Wo.s+=t,Wo.l+=n,this.setHSL(Wo.h,Wo.s,Wo.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(Wo),e.getHSL(jo);const n=fa.lerp(Wo.h,jo.h,t),i=fa.lerp(Wo.s,jo.s,t),r=fa.lerp(Wo.l,jo.l,t);return this.setHSL(n,i,r),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),!0===e.normalized&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}}Zo.NAMES=Vo,Zo.prototype.isColor=!0,Zo.prototype.r=1,Zo.prototype.g=1,Zo.prototype.b=1;class Jo extends Go{constructor(e){super(),this.type="MeshBasicMaterial",this.color=new Zo(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this}}Jo.prototype.isMeshBasicMaterial=!0;const Qo=new Sa,Ko=new ma;function $o(e,t,n){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=!0===n,this.usage=la,this.updateRange={offset:0,count:-1},this.version=0}function es(e,t,n){$o.call(this,new Int8Array(e),t,n)}function ts(e,t,n){$o.call(this,new Uint8Array(e),t,n)}function ns(e,t,n){$o.call(this,new Uint8ClampedArray(e),t,n)}function is(e,t,n){$o.call(this,new Int16Array(e),t,n)}function rs(e,t,n){$o.call(this,new Uint16Array(e),t,n)}function as(e,t,n){$o.call(this,new Int32Array(e),t,n)}function os(e,t,n){$o.call(this,new Uint32Array(e),t,n)}function ss(e,t,n){$o.call(this,new Uint16Array(e),t,n)}function ls(e,t,n){$o.call(this,new Float32Array(e),t,n)}function cs(e,t,n){$o.call(this,new Float64Array(e),t,n)}function us(e){if(0===e.length)return-1/0;let t=e[0];for(let n=1,i=e.length;n<i;++n)e[n]>t&&(t=e[n]);return t}Object.defineProperty($o.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.assign($o.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},setUsage:function(e){return this.usage=e,this},copy:function(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this},copyAt:function(e,t,n){e*=this.itemSize,n*=t.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[e+i]=t.array[n+i];return this},copyArray:function(e){return this.array.set(e),this},copyColorsArray:function(e){const t=this.array;let n=0;for(let i=0,r=e.length;i<r;i++){let r=e[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",i),r=new Zo),t[n++]=r.r,t[n++]=r.g,t[n++]=r.b}return this},copyVector2sArray:function(e){const t=this.array;let n=0;for(let i=0,r=e.length;i<r;i++){let r=e[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",i),r=new ma),t[n++]=r.x,t[n++]=r.y}return this},copyVector3sArray:function(e){const t=this.array;let n=0;for(let i=0,r=e.length;i<r;i++){let r=e[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",i),r=new Sa),t[n++]=r.x,t[n++]=r.y,t[n++]=r.z}return this},copyVector4sArray:function(e){const t=this.array;let n=0;for(let i=0,r=e.length;i<r;i++){let r=e[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",i),r=new wa),t[n++]=r.x,t[n++]=r.y,t[n++]=r.z,t[n++]=r.w}return this},applyMatrix3:function(e){if(2===this.itemSize)for(let t=0,n=this.count;t<n;t++)Ko.fromBufferAttribute(this,t),Ko.applyMatrix3(e),this.setXY(t,Ko.x,Ko.y);else if(3===this.itemSize)for(let t=0,n=this.count;t<n;t++)Qo.fromBufferAttribute(this,t),Qo.applyMatrix3(e),this.setXYZ(t,Qo.x,Qo.y,Qo.z);return this},applyMatrix4:function(e){for(let t=0,n=this.count;t<n;t++)Qo.x=this.getX(t),Qo.y=this.getY(t),Qo.z=this.getZ(t),Qo.applyMatrix4(e),this.setXYZ(t,Qo.x,Qo.y,Qo.z);return this},applyNormalMatrix:function(e){for(let t=0,n=this.count;t<n;t++)Qo.x=this.getX(t),Qo.y=this.getY(t),Qo.z=this.getZ(t),Qo.applyNormalMatrix(e),this.setXYZ(t,Qo.x,Qo.y,Qo.z);return this},transformDirection:function(e){for(let t=0,n=this.count;t<n;t++)Qo.x=this.getX(t),Qo.y=this.getY(t),Qo.z=this.getZ(t),Qo.transformDirection(e),this.setXYZ(t,Qo.x,Qo.y,Qo.z);return this},set:function(e,t=0){return this.array.set(e,t),this},getX:function(e){return this.array[e*this.itemSize]},setX:function(e,t){return this.array[e*this.itemSize]=t,this},getY:function(e){return this.array[e*this.itemSize+1]},setY:function(e,t){return this.array[e*this.itemSize+1]=t,this},getZ:function(e){return this.array[e*this.itemSize+2]},setZ:function(e,t){return this.array[e*this.itemSize+2]=t,this},getW:function(e){return this.array[e*this.itemSize+3]},setW:function(e,t){return this.array[e*this.itemSize+3]=t,this},setXY:function(e,t,n){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this},setXYZ:function(e,t,n,i){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,this},setXYZW:function(e,t,n,i,r){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,this.array[e+3]=r,this},onUpload:function(e){return this.onUploadCallback=e,this},clone:function(){return new this.constructor(this.array,this.itemSize).copy(this)},toJSON:function(){return{itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized}}}),es.prototype=Object.create($o.prototype),es.prototype.constructor=es,ts.prototype=Object.create($o.prototype),ts.prototype.constructor=ts,ns.prototype=Object.create($o.prototype),ns.prototype.constructor=ns,is.prototype=Object.create($o.prototype),is.prototype.constructor=is,rs.prototype=Object.create($o.prototype),rs.prototype.constructor=rs,as.prototype=Object.create($o.prototype),as.prototype.constructor=as,os.prototype=Object.create($o.prototype),os.prototype.constructor=os,ss.prototype=Object.create($o.prototype),ss.prototype.constructor=ss,ss.prototype.isFloat16BufferAttribute=!0,ls.prototype=Object.create($o.prototype),ls.prototype.constructor=ls,cs.prototype=Object.create($o.prototype),cs.prototype.constructor=cs,Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array;let hs=0;const ds=new $a,ps=new So,fs=new Sa,ms=new Aa,gs=new Aa,vs=new Sa;function ys(){Object.defineProperty(this,"id",{value:hs++}),this.uuid=fa.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}ys.prototype=Object.assign(Object.create(ha.prototype),{constructor:ys,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(e){return Array.isArray(e)?this.index=new(us(e)>65535?os:rs)(e,1):this.index=e,this},getAttribute:function(e){return this.attributes[e]},setAttribute:function(e,t){return this.attributes[e]=t,this},deleteAttribute:function(e){return delete this.attributes[e],this},hasAttribute:function(e){return void 0!==this.attributes[e]},addGroup:function(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})},clearGroups:function(){this.groups=[]},setDrawRange:function(e,t){this.drawRange.start=e,this.drawRange.count=t},applyMatrix4:function(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const t=(new ga).getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(e),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(e){return ds.makeRotationX(e),this.applyMatrix4(ds),this},rotateY:function(e){return ds.makeRotationY(e),this.applyMatrix4(ds),this},rotateZ:function(e){return ds.makeRotationZ(e),this.applyMatrix4(ds),this},translate:function(e,t,n){return ds.makeTranslation(e,t,n),this.applyMatrix4(ds),this},scale:function(e,t,n){return ds.makeScale(e,t,n),this.applyMatrix4(ds),this},lookAt:function(e){return ps.lookAt(e),ps.updateMatrix(),this.applyMatrix4(ps.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(fs).negate(),this.translate(fs.x,fs.y,fs.z),this},setFromPoints:function(e){const t=[];for(let n=0,i=e.length;n<i;n++){const i=e[n];t.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new ls(t,3)),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new Aa);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new Sa(-1/0,-1/0,-1/0),new Sa(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];ms.setFromBufferAttribute(n),this.morphTargetsRelative?(vs.addVectors(this.boundingBox.min,ms.min),this.boundingBox.expandByPoint(vs),vs.addVectors(this.boundingBox.max,ms.max),this.boundingBox.expandByPoint(vs)):(this.boundingBox.expandByPoint(ms.min),this.boundingBox.expandByPoint(ms.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new Wa);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new Sa,1/0);if(e){const n=this.boundingSphere.center;if(ms.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];gs.setFromBufferAttribute(n),this.morphTargetsRelative?(vs.addVectors(ms.min,gs.min),ms.expandByPoint(vs),vs.addVectors(ms.max,gs.max),ms.expandByPoint(vs)):(ms.expandByPoint(gs.min),ms.expandByPoint(gs.max))}ms.getCenter(n);let i=0;for(let t=0,r=e.count;t<r;t++)vs.fromBufferAttribute(e,t),i=Math.max(i,n.distanceToSquared(vs));if(t)for(let r=0,a=t.length;r<a;r++){const a=t[r],o=this.morphTargetsRelative;for(let t=0,r=a.count;t<r;t++)vs.fromBufferAttribute(a,t),o&&(fs.fromBufferAttribute(e,t),vs.add(fs)),i=Math.max(i,n.distanceToSquared(vs))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}},computeFaceNormals:function(){},computeTangents:function(){const e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=e.array,i=t.position.array,r=t.normal.array,a=t.uv.array,o=i.length/3;void 0===t.tangent&&this.setAttribute("tangent",new $o(new Float32Array(4*o),4));const s=t.tangent.array,l=[],c=[];for(let e=0;e<o;e++)l[e]=new Sa,c[e]=new Sa;const u=new Sa,h=new Sa,d=new Sa,p=new ma,f=new ma,m=new ma,g=new Sa,v=new Sa;function y(e,t,n){u.fromArray(i,3*e),h.fromArray(i,3*t),d.fromArray(i,3*n),p.fromArray(a,2*e),f.fromArray(a,2*t),m.fromArray(a,2*n),h.sub(u),d.sub(u),f.sub(p),m.sub(p);const r=1/(f.x*m.y-m.x*f.y);isFinite(r)&&(g.copy(h).multiplyScalar(m.y).addScaledVector(d,-f.y).multiplyScalar(r),v.copy(d).multiplyScalar(f.x).addScaledVector(h,-m.x).multiplyScalar(r),l[e].add(g),l[t].add(g),l[n].add(g),c[e].add(v),c[t].add(v),c[n].add(v))}let x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(let e=0,t=x.length;e<t;++e){const t=x[e],i=t.start;for(let e=i,r=i+t.count;e<r;e+=3)y(n[e+0],n[e+1],n[e+2])}const _=new Sa,b=new Sa,w=new Sa,M=new Sa;function E(e){w.fromArray(r,3*e),M.copy(w);const t=l[e];_.copy(t),_.sub(w.multiplyScalar(w.dot(t))).normalize(),b.crossVectors(M,t);const n=b.dot(c[e])<0?-1:1;s[4*e]=_.x,s[4*e+1]=_.y,s[4*e+2]=_.z,s[4*e+3]=n}for(let e=0,t=x.length;e<t;++e){const t=x[e],i=t.start;for(let e=i,r=i+t.count;e<r;e+=3)E(n[e+0]),E(n[e+1]),E(n[e+2])}},computeVertexNormals:function(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let n=this.getAttribute("normal");if(void 0===n)n=new $o(new Float32Array(3*t.count),3),this.setAttribute("normal",n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);const i=new Sa,r=new Sa,a=new Sa,o=new Sa,s=new Sa,l=new Sa,c=new Sa,u=new Sa;if(e)for(let h=0,d=e.count;h<d;h+=3){const d=e.getX(h+0),p=e.getX(h+1),f=e.getX(h+2);i.fromBufferAttribute(t,d),r.fromBufferAttribute(t,p),a.fromBufferAttribute(t,f),c.subVectors(a,r),u.subVectors(i,r),c.cross(u),o.fromBufferAttribute(n,d),s.fromBufferAttribute(n,p),l.fromBufferAttribute(n,f),o.add(c),s.add(c),l.add(c),n.setXYZ(d,o.x,o.y,o.z),n.setXYZ(p,s.x,s.y,s.z),n.setXYZ(f,l.x,l.y,l.z)}else for(let e=0,o=t.count;e<o;e+=3)i.fromBufferAttribute(t,e+0),r.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),c.subVectors(a,r),u.subVectors(i,r),c.cross(u),n.setXYZ(e+0,c.x,c.y,c.z),n.setXYZ(e+1,c.x,c.y,c.z),n.setXYZ(e+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}},merge:function(e,t){if(!e||!e.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",e);void 0===t&&(t=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const n=this.attributes;for(const i in n){if(void 0===e.attributes[i])continue;const r=n[i].array,a=e.attributes[i],o=a.array,s=a.itemSize*t,l=Math.min(o.length,r.length-s);for(let e=0,t=s;e<l;e++,t++)r[t]=o[e]}return this},normalizeNormals:function(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)vs.fromBufferAttribute(e,t),vs.normalize(),e.setXYZ(t,vs.x,vs.y,vs.z)},toNonIndexed:function(){function e(e,t){const n=e.array,i=e.itemSize,r=e.normalized,a=new n.constructor(t.length*i);let o=0,s=0;for(let e=0,r=t.length;e<r;e++){o=t[e]*i;for(let e=0;e<i;e++)a[s++]=n[o++]}return new $o(a,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new ys,n=this.index.array,i=this.attributes;for(const r in i){const a=e(i[r],n);t.setAttribute(r,a)}const r=this.morphAttributes;for(const i in r){const a=[],o=r[i];for(let t=0,i=o.length;t<i;t++){const i=e(o[t],n);a.push(i)}t.morphAttributes[i]=a}t.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let e=0,n=a.length;e<n;e++){const n=a[e];t.addGroup(n.start,n.count,n.materialIndex)}return t},toJSON:function(){const e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){const t=this.parameters;for(const n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const t in n){const i=n[t],r=i.toJSON(e.data);""!==i.name&&(r.name=i.name),e.data.attributes[t]=r}const i={};let r=!1;for(const t in this.morphAttributes){const n=this.morphAttributes[t],a=[];for(let t=0,i=n.length;t<i;t++){const i=n[t],r=i.toJSON(e.data);""!==i.name&&(r.name=i.name),a.push(r)}a.length>0&&(i[t]=a,r=!0)}r&&(e.data.morphAttributes=i,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return null!==o&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e},clone:function(){return(new ys).copy(this)},copy:function(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const n=e.index;null!==n&&this.setIndex(n.clone(t));const i=e.attributes;for(const e in i){const n=i[e];this.setAttribute(e,n.clone(t))}const r=e.morphAttributes;for(const e in r){const n=[],i=r[e];for(let e=0,r=i.length;e<r;e++)n.push(i[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;const a=e.groups;for(let e=0,t=a.length;e<t;e++){const t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}const o=e.boundingBox;null!==o&&(this.boundingBox=o.clone());const s=e.boundingSphere;return null!==s&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this},dispose:function(){this.dispatchEvent({type:"dispose"})}});const xs=new $a,_s=new Ka,bs=new Wa,ws=new Sa,Ms=new Sa,Es=new Sa,Ss=new Sa,Ts=new Sa,Ls=new Sa,As=new Sa,Rs=new Sa,Ps=new Sa,Cs=new ma,Ds=new ma,Ns=new ma,Is=new Sa,Os=new Sa;function zs(e=new ys,t=new Jo){So.call(this),this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}function Fs(e,t,n,i,r,a,o,s,l,c,u,h){ws.fromBufferAttribute(r,c),Ms.fromBufferAttribute(r,u),Es.fromBufferAttribute(r,h);const d=e.morphTargetInfluences;if(t.morphTargets&&a&&d){As.set(0,0,0),Rs.set(0,0,0),Ps.set(0,0,0);for(let e=0,t=a.length;e<t;e++){const t=d[e],n=a[e];0!==t&&(Ss.fromBufferAttribute(n,c),Ts.fromBufferAttribute(n,u),Ls.fromBufferAttribute(n,h),o?(As.addScaledVector(Ss,t),Rs.addScaledVector(Ts,t),Ps.addScaledVector(Ls,t)):(As.addScaledVector(Ss.sub(ws),t),Rs.addScaledVector(Ts.sub(Ms),t),Ps.addScaledVector(Ls.sub(Es),t)))}ws.add(As),Ms.add(Rs),Es.add(Ps)}e.isSkinnedMesh&&t.skinning&&(e.boneTransform(c,ws),e.boneTransform(u,Ms),e.boneTransform(h,Es));const p=function(e,t,n,i,r,a,o,s){let l;if(l=1===t.side?i.intersectTriangle(o,a,r,!0,s):i.intersectTriangle(r,a,o,2!==t.side,s),null===l)return null;Os.copy(s),Os.applyMatrix4(e.matrixWorld);const c=n.ray.origin.distanceTo(Os);return c<n.near||c>n.far?null:{distance:c,point:Os.clone(),object:e}}(e,t,n,i,ws,Ms,Es,Is);if(p){s&&(Cs.fromBufferAttribute(s,c),Ds.fromBufferAttribute(s,u),Ns.fromBufferAttribute(s,h),p.uv=Bo.getUV(Is,ws,Ms,Es,Cs,Ds,Ns,new ma)),l&&(Cs.fromBufferAttribute(l,c),Ds.fromBufferAttribute(l,u),Ns.fromBufferAttribute(l,h),p.uv2=Bo.getUV(Is,ws,Ms,Es,Cs,Ds,Ns,new ma));const e={a:c,b:u,c:h,normal:new Sa,materialIndex:0};Bo.getNormal(ws,Ms,Es,e.normal),p.face=e}return p}zs.prototype=Object.assign(Object.create(So.prototype),{constructor:zs,isMesh:!0,copy:function(e){return So.prototype.copy.call(this,e),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(e,t){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0===i)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),bs.copy(n.boundingSphere),bs.applyMatrix4(r),!1===e.ray.intersectsSphere(bs))return;if(xs.copy(r).invert(),_s.copy(e.ray).applyMatrix4(xs),null!==n.boundingBox&&!1===_s.intersectsBox(n.boundingBox))return;let a;if(n.isBufferGeometry){const r=n.index,o=n.attributes.position,s=n.morphAttributes.position,l=n.morphTargetsRelative,c=n.attributes.uv,u=n.attributes.uv2,h=n.groups,d=n.drawRange;if(null!==r)if(Array.isArray(i))for(let n=0,p=h.length;n<p;n++){const p=h[n],f=i[p.materialIndex];for(let n=Math.max(p.start,d.start),i=Math.min(p.start+p.count,d.start+d.count);n<i;n+=3){const i=r.getX(n),h=r.getX(n+1),d=r.getX(n+2);a=Fs(this,f,e,_s,o,s,l,c,u,i,h,d),a&&(a.faceIndex=Math.floor(n/3),a.face.materialIndex=p.materialIndex,t.push(a))}}else for(let n=Math.max(0,d.start),h=Math.min(r.count,d.start+d.count);n<h;n+=3){const h=r.getX(n),d=r.getX(n+1),p=r.getX(n+2);a=Fs(this,i,e,_s,o,s,l,c,u,h,d,p),a&&(a.faceIndex=Math.floor(n/3),t.push(a))}else if(void 0!==o)if(Array.isArray(i))for(let n=0,r=h.length;n<r;n++){const r=h[n],p=i[r.materialIndex];for(let n=Math.max(r.start,d.start),i=Math.min(r.start+r.count,d.start+d.count);n<i;n+=3)a=Fs(this,p,e,_s,o,s,l,c,u,n,n+1,n+2),a&&(a.faceIndex=Math.floor(n/3),a.face.materialIndex=r.materialIndex,t.push(a))}else for(let n=Math.max(0,d.start),r=Math.min(o.count,d.start+d.count);n<r;n+=3)a=Fs(this,i,e,_s,o,s,l,c,u,n,n+1,n+2),a&&(a.faceIndex=Math.floor(n/3),t.push(a))}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}});class Us extends ys{constructor(e=1,t=1,n=1,i=1,r=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:i,heightSegments:r,depthSegments:a};const o=this;i=Math.floor(i),r=Math.floor(r),a=Math.floor(a);const s=[],l=[],c=[],u=[];let h=0,d=0;function p(e,t,n,i,r,a,p,f,m,g,v){const y=a/m,x=p/g,_=a/2,b=p/2,w=f/2,M=m+1,E=g+1;let S=0,T=0;const L=new Sa;for(let a=0;a<E;a++){const o=a*x-b;for(let s=0;s<M;s++){const h=s*y-_;L[e]=h*i,L[t]=o*r,L[n]=w,l.push(L.x,L.y,L.z),L[e]=0,L[t]=0,L[n]=f>0?1:-1,c.push(L.x,L.y,L.z),u.push(s/m),u.push(1-a/g),S+=1}}for(let e=0;e<g;e++)for(let t=0;t<m;t++){const n=h+t+M*e,i=h+t+M*(e+1),r=h+(t+1)+M*(e+1),a=h+(t+1)+M*e;s.push(n,i,a),s.push(i,r,a),T+=6}o.addGroup(d,T,v),d+=T,h+=S}p("z","y","x",-1,-1,n,t,e,a,r,0),p("z","y","x",1,-1,n,t,-e,a,r,1),p("x","z","y",1,1,e,n,t,i,a,2),p("x","z","y",1,-1,e,n,-t,i,a,3),p("x","y","z",1,-1,e,t,n,i,r,4),p("x","y","z",-1,-1,e,t,-n,i,r,5),this.setIndex(s),this.setAttribute("position",new ls(l,3)),this.setAttribute("normal",new ls(c,3)),this.setAttribute("uv",new ls(u,2))}}function ks(e){const t={};for(const n in e){t[n]={};for(const i in e[n]){const r=e[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?t[n][i]=r.clone():Array.isArray(r)?t[n][i]=r.slice():t[n][i]=r}}return t}function Bs(e){const t={};for(let n=0;n<e.length;n++){const i=ks(e[n]);for(const e in i)t[e]=i[e]}return t}const Hs={clone:ks,merge:Bs};function Gs(e){Go.call(this),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&(void 0!==e.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(e))}function Vs(){So.call(this),this.type="Camera",this.matrixWorldInverse=new $a,this.projectionMatrix=new $a,this.projectionMatrixInverse=new $a}function Ws(e=50,t=1,n=.1,i=2e3){Vs.call(this),this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}Gs.prototype=Object.create(Go.prototype),Gs.prototype.constructor=Gs,Gs.prototype.isShaderMaterial=!0,Gs.prototype.copy=function(e){return Go.prototype.copy.call(this,e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=ks(e.uniforms),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.lights=e.lights,this.clipping=e.clipping,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this},Gs.prototype.toJSON=function(e){const t=Go.prototype.toJSON.call(this,e);t.glslVersion=this.glslVersion,t.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?t.uniforms[n]={type:"t",value:i.toJSON(e).uuid}:i&&i.isColor?t.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?t.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?t.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?t.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?t.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?t.uniforms[n]={type:"m4",value:i.toArray()}:t.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;const n={};for(const e in this.extensions)!0===this.extensions[e]&&(n[e]=!0);return Object.keys(n).length>0&&(t.extensions=n),t},Vs.prototype=Object.assign(Object.create(So.prototype),{constructor:Vs,isCamera:!0,copy:function(e,t){return So.prototype.copy.call(this,e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),e=new Sa),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()},updateMatrixWorld:function(e){So.prototype.updateMatrixWorld.call(this,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()},updateWorldMatrix:function(e,t){So.prototype.updateWorldMatrix.call(this,e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()},clone:function(){return(new this.constructor).copy(this)}}),Ws.prototype=Object.assign(Object.create(Vs.prototype),{constructor:Ws,isPerspectiveCamera:!0,copy:function(e,t){return Vs.prototype.copy.call(this,e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this},setFocalLength:function(e){const t=.5*this.getFilmHeight()/e;this.fov=2*fa.RAD2DEG*Math.atan(t),this.updateProjectionMatrix()},getFocalLength:function(){const e=Math.tan(.5*fa.DEG2RAD*this.fov);return.5*this.getFilmHeight()/e},getEffectiveFOV:function(){return 2*fa.RAD2DEG*Math.atan(Math.tan(.5*fa.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(e,t,n,i,r,a){this.aspect=e/t,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){const e=this.near;let t=e*Math.tan(.5*fa.DEG2RAD*this.fov)/this.zoom,n=2*t,i=this.aspect*n,r=-.5*i;const a=this.view;if(null!==this.view&&this.view.enabled){const e=a.fullWidth,o=a.fullHeight;r+=a.offsetX*i/e,t-=a.offsetY*n/o,i*=a.width/e,n*=a.height/o}const o=this.filmOffset;0!==o&&(r+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()},toJSON:function(e){const t=So.prototype.toJSON.call(this,e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}});const js=90;class Xs extends So{constructor(e,t,n){if(super(),this.type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=n;const i=new Ws(js,1,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new Sa(1,0,0)),this.add(i);const r=new Ws(js,1,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new Sa(-1,0,0)),this.add(r);const a=new Ws(js,1,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new Sa(0,1,0)),this.add(a);const o=new Ws(js,1,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new Sa(0,-1,0)),this.add(o);const s=new Ws(js,1,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new Sa(0,0,1)),this.add(s);const l=new Ws(js,1,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new Sa(0,0,-1)),this.add(l)}update(e,t){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[i,r,a,o,s,l]=this.children,c=e.xr.enabled,u=e.getRenderTarget();e.xr.enabled=!1;const h=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,r),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,s),n.texture.generateMipmaps=h,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(u),e.xr.enabled=c}}class qs extends _a{constructor(e,t,n,i,r,a,o,s,l,c){super(e=void 0!==e?e:[],t=void 0!==t?t:301,n,i,r,a,o=void 0!==o?o:Jr,s,l,c),this._needsFlipEnvMap=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}qs.prototype.isCubeTexture=!0;class Ys extends Ma{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n),super(e,e,t),t=t||{},this.texture=new qs(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:Vr,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=Qr,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={tEquirect:{value:null}},i="\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",r="\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t",a=new Us(5,5,5),o=new Gs({name:"CubemapFromEquirect",uniforms:ks(n),vertexShader:i,fragmentShader:r,side:1,blending:0});o.uniforms.tEquirect.value=t;const s=new zs(a,o),l=t.minFilter;return t.minFilter===Wr&&(t.minFilter=Vr),new Xs(1,10,this).update(e,s),t.minFilter=l,s.geometry.dispose(),s.material.dispose(),this}clear(e,t,n,i){const r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,n,i);e.setRenderTarget(r)}}Ys.prototype.isWebGLCubeRenderTarget=!0;class Zs extends _a{constructor(e,t,n,i,r,a,o,s,l,c,u,h){super(null,a,o,s,l,c,i,r,u,h),this.image={data:e||null,width:t||1,height:n||1},this.magFilter=void 0!==l?l:Gr,this.minFilter=void 0!==c?c:Gr,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}}Zs.prototype.isDataTexture=!0;const Js=new Wa,Qs=new Sa;class Ks{constructor(e=new Ro,t=new Ro,n=new Ro,i=new Ro,r=new Ro,a=new Ro){this.planes=[e,t,n,i,r,a]}set(e,t,n,i,r,a){const o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){const t=this.planes,n=e.elements,i=n[0],r=n[1],a=n[2],o=n[3],s=n[4],l=n[5],c=n[6],u=n[7],h=n[8],d=n[9],p=n[10],f=n[11],m=n[12],g=n[13],v=n[14],y=n[15];return t[0].setComponents(o-i,u-s,f-h,y-m).normalize(),t[1].setComponents(o+i,u+s,f+h,y+m).normalize(),t[2].setComponents(o+r,u+l,f+d,y+g).normalize(),t[3].setComponents(o-r,u-l,f-d,y-g).normalize(),t[4].setComponents(o-a,u-c,f-p,y-v).normalize(),t[5].setComponents(o+a,u+c,f+p,y+v).normalize(),this}intersectsObject(e){const t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),Js.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Js)}intersectsSprite(e){return Js.center.set(0,0,0),Js.radius=.7071067811865476,Js.applyMatrix4(e.matrixWorld),this.intersectsSphere(Js)}intersectsSphere(e){const t=this.planes,n=e.center,i=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<i)return!1;return!0}intersectsBox(e){const t=this.planes;for(let n=0;n<6;n++){const i=t[n];if(Qs.x=i.normal.x>0?e.max.x:e.min.x,Qs.y=i.normal.y>0?e.max.y:e.min.y,Qs.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(Qs)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function $s(){let e=null,t=!1,n=null,i=null;function r(t,a){n(t,a),i=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==n&&(i=e.requestAnimationFrame(r),t=!0)},stop:function(){e.cancelAnimationFrame(i),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function el(e,t){const n=t.isWebGL2,i=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),i.get(e)},remove:function(t){t.isInterleavedBufferAttribute&&(t=t.data);const n=i.get(t);n&&(e.deleteBuffer(n.buffer),i.delete(t))},update:function(t,r){if(t.isGLBufferAttribute){const e=i.get(t);return void((!e||e.version<t.version)&&i.set(t,{buffer:t.buffer,type:t.type,bytesPerElement:t.elementSize,version:t.version}))}t.isInterleavedBufferAttribute&&(t=t.data);const a=i.get(t);void 0===a?i.set(t,function(t,i){const r=t.array,a=t.usage,o=e.createBuffer();e.bindBuffer(i,o),e.bufferData(i,r,a),t.onUploadCallback();let s=5126;return r instanceof Float32Array?s=5126:r instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):r instanceof Uint16Array?t.isFloat16BufferAttribute?n?s=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):s=5123:r instanceof Int16Array?s=5122:r instanceof Uint32Array?s=5125:r instanceof Int32Array?s=5124:r instanceof Int8Array?s=5120:r instanceof Uint8Array&&(s=5121),{buffer:o,type:s,bytesPerElement:r.BYTES_PER_ELEMENT,version:t.version}}(t,r)):a.version<t.version&&(function(t,i,r){const a=i.array,o=i.updateRange;e.bindBuffer(r,t),-1===o.count?e.bufferSubData(r,0,a):(n?e.bufferSubData(r,o.offset*a.BYTES_PER_ELEMENT,a,o.offset,o.count):e.bufferSubData(r,o.offset*a.BYTES_PER_ELEMENT,a.subarray(o.offset,o.offset+o.count)),o.count=-1)}(a.buffer,t,r),a.version=t.version)}}}class tl extends ys{constructor(e=1,t=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:i};const r=e/2,a=t/2,o=Math.floor(n),s=Math.floor(i),l=o+1,c=s+1,u=e/o,h=t/s,d=[],p=[],f=[],m=[];for(let e=0;e<c;e++){const t=e*h-a;for(let n=0;n<l;n++){const i=n*u-r;p.push(i,-t,0),f.push(0,0,1),m.push(n/o),m.push(1-e/s)}}for(let e=0;e<s;e++)for(let t=0;t<o;t++){const n=t+l*e,i=t+l*(e+1),r=t+1+l*(e+1),a=t+1+l*e;d.push(n,i,a),d.push(i,r,a)}this.setIndex(d),this.setAttribute("position",new ls(p,3)),this.setAttribute("normal",new ls(f,3)),this.setAttribute("uv",new ls(m,2))}}const nl={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor.xyz *= color.xyz;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\t\tvec2 f = fract( uv );\n\t\tuv += 0.5 - f;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\t\t}\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\t\tuv *= texelSize;\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x += texelSize;\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.y += texelSize;\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x -= texelSize;\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tvec3 tm = mix( tl, tr, f.x );\n\t\tvec3 bm = mix( bl, br, f.x );\n\t\treturn mix( tm, bm, f.y );\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tfogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\t\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\t\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmissionmap_fragment:"#ifdef USE_TRANSMISSIONMAP\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n#endif",transmissionmap_pars_fragment:"#ifdef USE_TRANSMISSIONMAP\n\tuniform sampler2D transmissionMap;\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",cube_frag:"#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_ENVMAP\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <transmissionmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <transmissionmap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",normal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",normal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}"},il={common:{diffuse:{value:new Zo(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new ga},uv2Transform:{value:new ga},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new ma(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Zo(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new Zo(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},uvTransform:{value:new ga}},sprite:{diffuse:{value:new Zo(15658734)},opacity:{value:1},center:{value:new ma(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new ga}}},rl={basic:{uniforms:Bs([il.common,il.specularmap,il.envmap,il.aomap,il.lightmap,il.fog]),vertexShader:nl.meshbasic_vert,fragmentShader:nl.meshbasic_frag},lambert:{uniforms:Bs([il.common,il.specularmap,il.envmap,il.aomap,il.lightmap,il.emissivemap,il.fog,il.lights,{emissive:{value:new Zo(0)}}]),vertexShader:nl.meshlambert_vert,fragmentShader:nl.meshlambert_frag},phong:{uniforms:Bs([il.common,il.specularmap,il.envmap,il.aomap,il.lightmap,il.emissivemap,il.bumpmap,il.normalmap,il.displacementmap,il.fog,il.lights,{emissive:{value:new Zo(0)},specular:{value:new Zo(1118481)},shininess:{value:30}}]),vertexShader:nl.meshphong_vert,fragmentShader:nl.meshphong_frag},standard:{uniforms:Bs([il.common,il.envmap,il.aomap,il.lightmap,il.emissivemap,il.bumpmap,il.normalmap,il.displacementmap,il.roughnessmap,il.metalnessmap,il.fog,il.lights,{emissive:{value:new Zo(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:nl.meshphysical_vert,fragmentShader:nl.meshphysical_frag},toon:{uniforms:Bs([il.common,il.aomap,il.lightmap,il.emissivemap,il.bumpmap,il.normalmap,il.displacementmap,il.gradientmap,il.fog,il.lights,{emissive:{value:new Zo(0)}}]),vertexShader:nl.meshtoon_vert,fragmentShader:nl.meshtoon_frag},matcap:{uniforms:Bs([il.common,il.bumpmap,il.normalmap,il.displacementmap,il.fog,{matcap:{value:null}}]),vertexShader:nl.meshmatcap_vert,fragmentShader:nl.meshmatcap_frag},points:{uniforms:Bs([il.points,il.fog]),vertexShader:nl.points_vert,fragmentShader:nl.points_frag},dashed:{uniforms:Bs([il.common,il.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:nl.linedashed_vert,fragmentShader:nl.linedashed_frag},depth:{uniforms:Bs([il.common,il.displacementmap]),vertexShader:nl.depth_vert,fragmentShader:nl.depth_frag},normal:{uniforms:Bs([il.common,il.bumpmap,il.normalmap,il.displacementmap,{opacity:{value:1}}]),vertexShader:nl.normal_vert,fragmentShader:nl.normal_frag},sprite:{uniforms:Bs([il.sprite,il.fog]),vertexShader:nl.sprite_vert,fragmentShader:nl.sprite_frag},background:{uniforms:{uvTransform:{value:new ga},t2D:{value:null}},vertexShader:nl.background_vert,fragmentShader:nl.background_frag},cube:{uniforms:Bs([il.envmap,{opacity:{value:1}}]),vertexShader:nl.cube_vert,fragmentShader:nl.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:nl.equirect_vert,fragmentShader:nl.equirect_frag},distanceRGBA:{uniforms:Bs([il.common,il.displacementmap,{referencePosition:{value:new Sa},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:nl.distanceRGBA_vert,fragmentShader:nl.distanceRGBA_frag},shadow:{uniforms:Bs([il.lights,il.fog,{color:{value:new Zo(0)},opacity:{value:1}}]),vertexShader:nl.shadow_vert,fragmentShader:nl.shadow_frag}};function al(e,t,n,i,r){const a=new Zo(0);let o,s,l=0,c=null,u=0,h=null;function d(e,t){n.buffers.color.setClear(e.r,e.g,e.b,t,r)}return{getClearColor:function(){return a},setClearColor:function(e,t=1){a.set(e),l=t,d(a,l)},getClearAlpha:function(){return l},setClearAlpha:function(e){l=e,d(a,l)},render:function(n,r,p,f){let 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if(u=t.get("ANGLE_instanced_arrays"),h="drawElementsInstancedANGLE",null===u)return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");u[h](a,l,o,i*s,c),n.update(l,a,c)}}function fl(e){const t={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:t,programs:null,autoReset:!0,reset:function(){t.frame++,t.calls=0,t.triangles=0,t.points=0,t.lines=0},update:function(e,n,i){switch(t.calls++,n){case 4:t.triangles+=i*(e/3);break;case 1:t.lines+=i*(e/2);break;case 3:t.lines+=i*(e-1);break;case 2:t.lines+=i*e;break;case 0:t.points+=i*e;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",n)}}}}function ml(e,t){return e[0]-t[0]}function gl(e,t){return Math.abs(t[1])-Math.abs(e[1])}function vl(e){const t={},n=new Float32Array(8),i=[];for(let e=0;e<8;e++)i[e]=[e,0];return{update:function(r,a,o,s){const l=r.morphTargetInfluences,c=void 0===l?0:l.length;let u=t[a.id];if(void 0===u){u=[];for(let e=0;e<c;e++)u[e]=[e,0];t[a.id]=u}for(let e=0;e<c;e++){const t=u[e];t[0]=e,t[1]=l[e]}u.sort(gl);for(let e=0;e<8;e++)e<c&&u[e][1]?(i[e][0]=u[e][0],i[e][1]=u[e][1]):(i[e][0]=Number.MAX_SAFE_INTEGER,i[e][1]=0);i.sort(ml);const h=o.morphTargets&&a.morphAttributes.position,d=o.morphNormals&&a.morphAttributes.normal;let p=0;for(let e=0;e<8;e++){const t=i[e],r=t[0],o=t[1];r!==Number.MAX_SAFE_INTEGER&&o?(h&&a.getAttribute("morphTarget"+e)!==h[r]&&a.setAttribute("morphTarget"+e,h[r]),d&&a.getAttribute("morphNormal"+e)!==d[r]&&a.setAttribute("morphNormal"+e,d[r]),n[e]=o,p+=o):(h&&!0===a.hasAttribute("morphTarget"+e)&&a.deleteAttribute("morphTarget"+e),d&&!0===a.hasAttribute("morphNormal"+e)&&a.deleteAttribute("morphNormal"+e),n[e]=0)}const f=a.morphTargetsRelative?1:1-p;s.getUniforms().setValue(e,"morphTargetBaseInfluence",f),s.getUniforms().setValue(e,"morphTargetInfluences",n)}}}function yl(e,t,n,i){let r=new WeakMap;function a(e){const t=e.target;t.removeEventListener("dispose",a),n.remove(t.instanceMatrix),null!==t.instanceColor&&n.remove(t.instanceColor)}return{update:function(e){const o=i.render.frame,s=e.geometry,l=t.get(e,s);return r.get(l)!==o&&(t.update(l),r.set(l,o)),e.isInstancedMesh&&(!1===e.hasEventListener("dispose",a)&&e.addEventListener("dispose",a),n.update(e.instanceMatrix,34962),null!==e.instanceColor&&n.update(e.instanceColor,34962)),l},dispose:function(){r=new WeakMap}}}rl.physical={uniforms:Bs([rl.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new ma(1,1)},clearcoatNormalMap:{value:null},sheen:{value:new Zo(0)},transmission:{value:0},transmissionMap:{value:null}}]),vertexShader:nl.meshphysical_vert,fragmentShader:nl.meshphysical_frag};class xl extends _a{constructor(e=null,t=1,n=1,i=1){super(null),this.image={data:e,width:t,height:n,depth:i},this.magFilter=Gr,this.minFilter=Gr,this.wrapR=Br,this.generateMipmaps=!1,this.flipY=!1,this.needsUpdate=!0}}xl.prototype.isDataTexture2DArray=!0;class _l extends _a{constructor(e=null,t=1,n=1,i=1){super(null),this.image={data:e,width:t,height:n,depth:i},this.magFilter=Gr,this.minFilter=Gr,this.wrapR=Br,this.generateMipmaps=!1,this.flipY=!1,this.needsUpdate=!0}}_l.prototype.isDataTexture3D=!0;const bl=new _a,wl=new xl,Ml=new _l,El=new qs,Sl=[],Tl=[],Ll=new Float32Array(16),Al=new Float32Array(9),Rl=new Float32Array(4);function Pl(e,t,n){const i=e[0];if(i<=0||i>0)return e;const r=t*n;let a=Sl[r];if(void 0===a&&(a=new Float32Array(r),Sl[r]=a),0!==t){i.toArray(a,0);for(let i=1,r=0;i!==t;++i)r+=n,e[i].toArray(a,r)}return a}function Cl(e,t){if(e.length!==t.length)return!1;for(let n=0,i=e.length;n<i;n++)if(e[n]!==t[n])return!1;return!0}function Dl(e,t){for(let n=0,i=t.length;n<i;n++)e[n]=t[n]}function 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gl.getProgramInfoLog()",e):""!==t&&""!==n||(a=!1);a&&(this.diagnostics={runnable:i,programLog:e,vertexShader:{log:t,prefix:g},fragmentShader:{log:n,prefix:v}})}let w,M;return r.deleteShader(_),r.deleteShader(b),this.getUniforms=function(){return void 0===w&&(w=new mc(r,m)),w},this.getAttributes=function(){return void 0===M&&(M=function(e,t){const n={},i=e.getProgramParameter(t,35721);for(let r=0;r<i;r++){const i=e.getActiveAttrib(t,r).name;n[i]=e.getAttribLocation(t,i)}return n}(r,m)),M},this.destroy=function(){i.releaseStatesOfProgram(this),r.deleteProgram(m),this.program=void 0},this.name=n.shaderName,this.id=vc++,this.cacheKey=t,this.usedTimes=1,this.program=m,this.vertexShader=_,this.fragmentShader=b,this}function zc(e,t,n,i,r,a){const o=[],s=i.isWebGL2,l=i.logarithmicDepthBuffer,c=i.floatVertexTextures,u=i.maxVertexUniforms,h=i.vertexTextures;let d=i.precision;const 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m(e){let t;return e&&e.isTexture?t=e.encoding:e&&e.isWebGLRenderTarget?(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),t=e.texture.encoding):t=oa,t}return{getParameters:function(r,o,f,g,v){const y=g.fog,x=r.isMeshStandardMaterial?g.environment:null,_=t.get(r.envMap||x),b=p[r.type],w=v.isSkinnedMesh?function(e){const t=e.skeleton.bones;if(c)return 1024;{const e=u,n=Math.floor((e-20)/4),i=Math.min(n,t.length);return i<t.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+t.length+" bones. 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S=e.getRenderTarget();return{isWebGL2:s,shaderID:b,shaderName:r.type,vertexShader:M,fragmentShader:E,defines:r.defines,isRawShaderMaterial:!0===r.isRawShaderMaterial,glslVersion:r.glslVersion,precision:d,instancing:!0===v.isInstancedMesh,instancingColor:!0===v.isInstancedMesh&&null!==v.instanceColor,supportsVertexTextures:h,outputEncoding:null!==S?m(S.texture):e.outputEncoding,map:!!r.map,mapEncoding:m(r.map),matcap:!!r.matcap,matcapEncoding:m(r.matcap),envMap:!!_,envMapMode:_&&_.mapping,envMapEncoding:m(_),envMapCubeUV:!!_&&(306===_.mapping||307===_.mapping),lightMap:!!r.lightMap,lightMapEncoding:m(r.lightMap),aoMap:!!r.aoMap,emissiveMap:!!r.emissiveMap,emissiveMapEncoding:m(r.emissiveMap),bumpMap:!!r.bumpMap,normalMap:!!r.normalMap,objectSpaceNormalMap:1===r.normalMapType,tangentSpaceNormalMap:0===r.normalMapType,clearcoatMap:!!r.clearcoatMap,clearcoatRoughnessMap:!!r.clearcoatRoughnessMap,clearcoatNormalMap:!!r.clearcoatNormalMap,displacementMap:!!r.displacementMap,roughnessMap:!!r.roughnessMap,metalnessMap:!!r.metalnessMap,specularMap:!!r.specularMap,alphaMap:!!r.alphaMap,gradientMap:!!r.gradientMap,sheen:!!r.sheen,transmissionMap:!!r.transmissionMap,combine:r.combine,vertexTangents:r.normalMap&&r.vertexTangents,vertexColors:r.vertexColors,vertexUvs:!!(r.map||r.bumpMap||r.normalMap||r.specularMap||r.alphaMap||r.emissiveMap||r.roughnessMap||r.metalnessMap||r.clearcoatMap||r.clearcoatRoughnessMap||r.clearcoatNormalMap||r.displacementMap||r.transmissionMap),uvsVertexOnly:!(r.map||r.bumpMap||r.normalMap||r.specularMap||r.alphaMap||r.emissiveMap||r.roughnessMap||r.metalnessMap||r.clearcoatNormalMap||r.transmissionMap||!r.displacementMap),fog:!!y,useFog:r.fog,fogExp2:y&&y.isFogExp2,flatShading:!!r.flatShading,sizeAttenuation:r.sizeAttenuation,logarithmicDepthBuffer:l,skinning:r.skinning&&w>0,maxBones:w,useVertexTexture:c,morphTargets:r.morphTargets,morphNormals:r.morphNormals,maxMorphTargets:e.maxMorphTargets,maxMorphNormals:e.maxMorphNormals,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:r.dithering,shadowMapEnabled:e.shadowMap.enabled&&f.length>0,shadowMapType:e.shadowMap.type,toneMapping:r.toneMapped?e.toneMapping:0,physicallyCorrectLights:e.physicallyCorrectLights,premultipliedAlpha:r.premultipliedAlpha,alphaTest:r.alphaTest,doubleSided:2===r.side,flipSided:1===r.side,depthPacking:void 0!==r.depthPacking&&r.depthPacking,index0AttributeName:r.index0AttributeName,extensionDerivatives:r.extensions&&r.extensions.derivatives,extensionFragDepth:r.extensions&&r.extensions.fragDepth,extensionDrawBuffers:r.extensions&&r.extensions.drawBuffers,extensionShaderTextureLOD:r.extensions&&r.extensions.shaderTextureLOD,rendererExtensionFragDepth:s||n.has("EXT_frag_depth"),rendererExtensionDrawBuffers:s||n.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:s||n.has("EXT_shader_texture_lod"),customProgramCacheKey:r.customProgramCacheKey()}},getProgramCacheKey:function(t){const n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.fragmentShader),n.push(t.vertexShader)),void 0!==t.defines)for(const e in t.defines)n.push(e),n.push(t.defines[e]);if(!1===t.isRawShaderMaterial){for(let e=0;e<f.length;e++)n.push(t[f[e]]);n.push(e.outputEncoding),n.push(e.gammaFactor)}return n.push(t.customProgramCacheKey),n.join()},getUniforms:function(e){const t=p[e.type];let n;if(t){const 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e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Bc(e){const t=[];let n=0;const i=[],r=[],a={id:-1};function o(i,r,o,s,l,c){let u=t[n];const h=e.get(o);return void 0===u?(u={id:i.id,object:i,geometry:r,material:o,program:h.program||a,groupOrder:s,renderOrder:i.renderOrder,z:l,group:c},t[n]=u):(u.id=i.id,u.object=i,u.geometry=r,u.material=o,u.program=h.program||a,u.groupOrder=s,u.renderOrder=i.renderOrder,u.z=l,u.group=c),n++,u}return{opaque:i,transparent:r,init:function(){n=0,i.length=0,r.length=0},push:function(e,t,n,a,s,l){const c=o(e,t,n,a,s,l);(!0===n.transparent?r:i).push(c)},unshift:function(e,t,n,a,s,l){const c=o(e,t,n,a,s,l);(!0===n.transparent?r:i).unshift(c)},finish:function(){for(let e=n,i=t.length;e<i;e++){const n=t[e];if(null===n.id)break;n.id=null,n.object=null,n.geometry=null,n.material=null,n.program=null,n.group=null}},sort:function(e,t){i.length>1&&i.sort(e||Uc),r.length>1&&r.sort(t||kc)}}}function Hc(e){let t=new WeakMap;return{get:function(n,i){let r;return!1===t.has(n)?(r=new Bc(e),t.set(n,[r])):i>=t.get(n).length?(r=new Bc(e),t.get(n).push(r)):r=t.get(n)[i],r},dispose:function(){t=new WeakMap}}}function Gc(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":n={direction:new Sa,color:new Zo};break;case"SpotLight":n={position:new Sa,direction:new Sa,color:new Zo,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Sa,color:new Zo,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Sa,skyColor:new Zo,groundColor:new Zo};break;case"RectAreaLight":n={color:new Zo,position:new Sa,halfWidth:new Sa,halfHeight:new Sa}}return e[t.id]=n,n}}}let Vc=0;function Wc(e,t){return(t.castShadow?1:0)-(e.castShadow?1:0)}function jc(e,t){const n=new Gc,i=function(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ma};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ma,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let e=0;e<9;e++)r.probe.push(new Sa);const a=new Sa,o=new $a,s=new $a;return{setup:function(a){let o=0,s=0,l=0;for(let e=0;e<9;e++)r.probe[e].set(0,0,0);let c=0,u=0,h=0,d=0,p=0,f=0,m=0,g=0;a.sort(Wc);for(let e=0,t=a.length;e<t;e++){const t=a[e],v=t.color,y=t.intensity,x=t.distance,_=t.shadow&&t.shadow.map?t.shadow.map.texture:null;if(t.isAmbientLight)o+=v.r*y,s+=v.g*y,l+=v.b*y;else if(t.isLightProbe)for(let e=0;e<9;e++)r.probe[e].addScaledVector(t.sh.coefficients[e],y);else if(t.isDirectionalLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,r.directionalShadow[c]=n,r.directionalShadowMap[c]=_,r.directionalShadowMatrix[c]=t.shadow.matrix,f++}r.directional[c]=e,c++}else if(t.isSpotLight){const e=n.get(t);if(e.position.setFromMatrixPosition(t.matrixWorld),e.color.copy(v).multiplyScalar(y),e.distance=x,e.coneCos=Math.cos(t.angle),e.penumbraCos=Math.cos(t.angle*(1-t.penumbra)),e.decay=t.decay,t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,r.spotShadow[h]=n,r.spotShadowMap[h]=_,r.spotShadowMatrix[h]=t.shadow.matrix,g++}r.spot[h]=e,h++}else if(t.isRectAreaLight){const e=n.get(t);e.color.copy(v).multiplyScalar(y),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),r.rectArea[d]=e,d++}else if(t.isPointLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),e.distance=t.distance,e.decay=t.decay,t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,n.shadowCameraNear=e.camera.near,n.shadowCameraFar=e.camera.far,r.pointShadow[u]=n,r.pointShadowMap[u]=_,r.pointShadowMatrix[u]=t.shadow.matrix,m++}r.point[u]=e,u++}else if(t.isHemisphereLight){const e=n.get(t);e.skyColor.copy(t.color).multiplyScalar(y),e.groundColor.copy(t.groundColor).multiplyScalar(y),r.hemi[p]=e,p++}}d>0&&(t.isWebGL2||!0===e.has("OES_texture_float_linear")?(r.rectAreaLTC1=il.LTC_FLOAT_1,r.rectAreaLTC2=il.LTC_FLOAT_2):!0===e.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=il.LTC_HALF_1,r.rectAreaLTC2=il.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=s,r.ambient[2]=l;const v=r.hash;v.directionalLength===c&&v.pointLength===u&&v.spotLength===h&&v.rectAreaLength===d&&v.hemiLength===p&&v.numDirectionalShadows===f&&v.numPointShadows===m&&v.numSpotShadows===g||(r.directional.length=c,r.spot.length=h,r.rectArea.length=d,r.point.length=u,r.hemi.length=p,r.directionalShadow.length=f,r.directionalShadowMap.length=f,r.pointShadow.length=m,r.pointShadowMap.length=m,r.spotShadow.length=g,r.spotShadowMap.length=g,r.directionalShadowMatrix.length=f,r.pointShadowMatrix.length=m,r.spotShadowMatrix.length=g,v.directionalLength=c,v.pointLength=u,v.spotLength=h,v.rectAreaLength=d,v.hemiLength=p,v.numDirectionalShadows=f,v.numPointShadows=m,v.numSpotShadows=g,r.version=Vc++)},setupView:function(e,t){let n=0,i=0,l=0,c=0,u=0;const h=t.matrixWorldInverse;for(let t=0,d=e.length;t<d;t++){const d=e[t];if(d.isDirectionalLight){const e=r.directional[n];e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(h),n++}else if(d.isSpotLight){const e=r.spot[l];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(h),l++}else if(d.isRectAreaLight){const e=r.rectArea[c];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),s.identity(),o.copy(d.matrixWorld),o.premultiply(h),s.extractRotation(o),e.halfWidth.set(.5*d.width,0,0),e.halfHeight.set(0,.5*d.height,0),e.halfWidth.applyMatrix4(s),e.halfHeight.applyMatrix4(s),c++}else if(d.isPointLight){const e=r.point[i];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),i++}else if(d.isHemisphereLight){const e=r.hemi[u];e.direction.setFromMatrixPosition(d.matrixWorld),e.direction.transformDirection(h),e.direction.normalize(),u++}}},state:r}}function Xc(e,t){const n=new jc(e,t),i=[],r=[];return{init:function(){i.length=0,r.length=0},state:{lightsArray:i,shadowsArray:r,lights:n},setupLights:function(){n.setup(i)},setupLightsView:function(e){n.setupView(i,e)},pushLight:function(e){i.push(e)},pushShadow:function(e){r.push(e)}}}function qc(e,t){let n=new WeakMap;return{get:function(i,r=0){let a;return!1===n.has(i)?(a=new Xc(e,t),n.set(i,[a])):r>=n.get(i).length?(a=new Xc(e,t),n.get(i).push(a)):a=n.get(i)[r],a},dispose:function(){n=new WeakMap}}}class Yc extends Go{constructor(e){super(),this.type="MeshDepthMaterial",this.depthPacking=3200,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}Yc.prototype.isMeshDepthMaterial=!0;class Zc extends Go{constructor(e){super(),this.type="MeshDistanceMaterial",this.referencePosition=new Sa,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}function Jc(e,t,n){let i=new Ks;const r=new ma,a=new ma,o=new wa,s=[],l=[],c={},u={0:1,1:0,2:2},h=new Gs({defines:{SAMPLE_RATE:2/8,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new ma},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n\tfor ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean * HALF_SAMPLE_RATE;\n\tsquared_mean = squared_mean * HALF_SAMPLE_RATE;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),d=h.clone();d.defines.HORIZONTAL_PASS=1;const p=new ys;p.setAttribute("position",new $o(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const f=new zs(p,h),m=this;function g(n,i){const r=t.update(f);h.uniforms.shadow_pass.value=n.map.texture,h.uniforms.resolution.value=n.mapSize,h.uniforms.radius.value=n.radius,e.setRenderTarget(n.mapPass),e.clear(),e.renderBufferDirect(i,null,r,h,f,null),d.uniforms.shadow_pass.value=n.mapPass.texture,d.uniforms.resolution.value=n.mapSize,d.uniforms.radius.value=n.radius,e.setRenderTarget(n.map),e.clear(),e.renderBufferDirect(i,null,r,d,f,null)}function v(e,t,n){const i=e<<0|t<<1|n<<2;let r=s[i];return void 0===r&&(r=new Yc({depthPacking:3201,morphTargets:e,skinning:t}),s[i]=r),r}function y(e,t,n){const i=e<<0|t<<1|n<<2;let r=l[i];return void 0===r&&(r=new Zc({morphTargets:e,skinning:t}),l[i]=r),r}function x(t,n,i,r,a,o,s){let l=null,h=v,d=t.customDepthMaterial;if(!0===r.isPointLight&&(h=y,d=t.customDistanceMaterial),void 0===d){let e=!1;!0===i.morphTargets&&(e=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);let r=!1;!0===t.isSkinnedMesh&&(!0===i.skinning?r=!0:console.warn("THREE.WebGLShadowMap: 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_(n,r,a,o,s){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);const i=t.update(n),r=n.material;if(Array.isArray(r)){const t=i.groups;for(let l=0,c=t.length;l<c;l++){const c=t[l],u=r[c.materialIndex];if(u&&u.visible){const t=x(n,i,u,o,a.near,a.far,s);e.renderBufferDirect(a,null,i,t,n,c)}}}else if(r.visible){const t=x(n,i,r,o,a.near,a.far,s);e.renderBufferDirect(a,null,i,t,n,null)}}const l=n.children;for(let e=0,t=l.length;e<t;e++)_(l[e],r,a,o,s)}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=1,this.render=function(t,s,l){if(!1===m.enabled)return;if(!1===m.autoUpdate&&!1===m.needsUpdate)return;if(0===t.length)return;const c=e.getRenderTarget(),u=e.getActiveCubeFace(),h=e.getActiveMipmapLevel(),d=e.state;d.setBlending(0),d.buffers.color.setClear(1,1,1,1),d.buffers.depth.setTest(!0),d.setScissorTest(!1);for(let c=0,u=t.length;c<u;c++){const u=t[c],h=u.shadow;if(void 0===h){console.warn("THREE.WebGLShadowMap:",u,"has no shadow.");continue}if(!1===h.autoUpdate&&!1===h.needsUpdate)continue;r.copy(h.mapSize);const p=h.getFrameExtents();if(r.multiply(p),a.copy(h.mapSize),(r.x>n||r.y>n)&&(r.x>n&&(a.x=Math.floor(n/p.x),r.x=a.x*p.x,h.mapSize.x=a.x),r.y>n&&(a.y=Math.floor(n/p.y),r.y=a.y*p.y,h.mapSize.y=a.y)),null===h.map&&!h.isPointLightShadow&&3===this.type){const e={minFilter:Vr,magFilter:Vr,format:Qr};h.map=new Ma(r.x,r.y,e),h.map.texture.name=u.name+".shadowMap",h.mapPass=new Ma(r.x,r.y,e),h.camera.updateProjectionMatrix()}if(null===h.map){const e={minFilter:Gr,magFilter:Gr,format:Qr};h.map=new Ma(r.x,r.y,e),h.map.texture.name=u.name+".shadowMap",h.camera.updateProjectionMatrix()}e.setRenderTarget(h.map),e.clear();const f=h.getViewportCount();for(let e=0;e<f;e++){const t=h.getViewport(e);o.set(a.x*t.x,a.y*t.y,a.x*t.z,a.y*t.w),d.viewport(o),h.updateMatrices(u,e),i=h.getFrustum(),_(s,l,h.camera,u,this.type)}h.isPointLightShadow||3!==this.type||g(h,l),h.needsUpdate=!1}m.needsUpdate=!1,e.setRenderTarget(c,u,h)}}function Qc(e,t,n){const i=n.isWebGL2,r=new function(){let t=!1;const n=new wa;let i=null;const r=new wa(0,0,0,0);return{setMask:function(n){i===n||t||(e.colorMask(n,n,n,n),i=n)},setLocked:function(e){t=e},setClear:function(t,i,a,o,s){!0===s&&(t*=o,i*=o,a*=o),n.set(t,i,a,o),!1===r.equals(n)&&(e.clearColor(t,i,a,o),r.copy(n))},reset:function(){t=!1,i=null,r.set(-1,0,0,0)}}},a=new function(){let t=!1,n=null,i=null,r=null;return{setTest:function(e){e?N(2929):I(2929)},setMask:function(i){n===i||t||(e.depthMask(i),n=i)},setFunc:function(t){if(i!==t){if(t)switch(t){case 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s={},l=null,c=!1,u=null,h=null,d=null,p=null,f=null,m=null,g=null,v=!1,y=null,x=null,_=null,b=null,w=null;const M=e.getParameter(35661);let E=!1,S=0;const T=e.getParameter(7938);-1!==T.indexOf("WebGL")?(S=parseFloat(/^WebGL (\d)/.exec(T)[1]),E=S>=1):-1!==T.indexOf("OpenGL ES")&&(S=parseFloat(/^OpenGL ES (\d)/.exec(T)[1]),E=S>=2);let L=null,A={};const R=new wa,P=new wa;function C(t,n,i){const r=new Uint8Array(4),a=e.createTexture();e.bindTexture(t,a),e.texParameteri(t,10241,9728),e.texParameteri(t,10240,9728);for(let t=0;t<i;t++)e.texImage2D(n+t,0,6408,1,1,0,6408,5121,r);return a}const D={};function N(t){!0!==s[t]&&(e.enable(t),s[t]=!0)}function I(t){!1!==s[t]&&(e.disable(t),s[t]=!1)}D[3553]=C(3553,3553,1),D[34067]=C(34067,34069,6),r.setClear(0,0,0,1),a.setClear(1),o.setClear(0),N(2929),a.setFunc(3),U(!1),k(1),N(2884),F(0);const O={[Ur]:32774,101:32778,102:32779};if(i)O[103]=32775,O[104]=32776;else{const e=t.get("EXT_blend_minmax");null!==e&&(O[103]=e.MIN_EXT,O[104]=e.MAX_EXT)}const 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s={antialias:e.antialias,alpha:e.alpha,depth:e.depth,stencil:e.stencil,framebufferScaleFactor:r},l=new XRWebGLLayer(i,t,s);i.updateRenderState({baseLayer:l}),a=await i.requestReferenceSpace(o),M.setContext(i),M.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}};const x=new Sa,_=new Sa;function b(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.getCamera=function(e){p.near=h.near=u.near=e.near,p.far=h.far=u.far=e.far,f===p.near&&m===p.far||(i.updateRenderState({depthNear:p.near,depthFar:p.far}),f=p.near,m=p.far);const t=e.parent,n=p.cameras;b(p,t);for(let e=0;e<n.length;e++)b(n[e],t);e.matrixWorld.copy(p.matrixWorld),e.matrix.copy(p.matrix),e.matrix.decompose(e.position,e.quaternion,e.scale);const r=e.children;for(let e=0,t=r.length;e<t;e++)r[e].updateMatrixWorld(!0);return 2===n.length?function(e,t,n){x.setFromMatrixPosition(t.matrixWorld),_.setFromMatrixPosition(n.matrixWorld);const i=x.distanceTo(_),r=t.projectionMatrix.elements,a=n.projectionMatrix.elements,o=r[14]/(r[10]-1),s=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],u=(r[8]-1)/r[0],h=(a[8]+1)/a[0],d=o*u,p=o*h,f=i/(-u+h),m=f*-u;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(f),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();const g=o+f,v=s+f,y=d-m,b=p+(i-m),w=l*s/v*g,M=c*s/v*g;e.projectionMatrix.makePerspective(y,b,w,M,g,v)}(p,u,h):p.projectionMatrix.copy(u.projectionMatrix),p};let w=null;const M=new $s;M.setAnimationLoop((function(t,n){if(s=n.getViewerPose(a),null!==s){const t=s.views,n=i.renderState.baseLayer;e.setFramebuffer(n.framebuffer);let r=!1;t.length!==p.cameras.length&&(p.cameras.length=0,r=!0);for(let e=0;e<t.length;e++){const i=t[e],a=n.getViewport(i),o=d[e];o.matrix.fromArray(i.transform.matrix),o.projectionMatrix.fromArray(i.projectionMatrix),o.viewport.set(a.x,a.y,a.width,a.height),0===e&&p.matrix.copy(o.matrix),!0===r&&p.cameras.push(o)}}const r=i.inputSources;for(let e=0;e<l.length;e++){const t=l[e],i=r[e];t.update(i,n,a)}w&&w(t,n)})),this.setAnimationLoop=function(e){w=e},this.dispose=function(){}}function ru(e){function t(t,n){t.opacity.value=n.opacity,n.color&&t.diffuse.value.copy(n.color),n.emissive&&t.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(t.map.value=n.map),n.alphaMap&&(t.alphaMap.value=n.alphaMap),n.specularMap&&(t.specularMap.value=n.specularMap);const i=e.get(n).envMap;if(i){t.envMap.value=i,t.flipEnvMap.value=i.isCubeTexture&&i._needsFlipEnvMap?-1:1,t.reflectivity.value=n.reflectivity,t.refractionRatio.value=n.refractionRatio;const r=e.get(i).__maxMipLevel;void 0!==r&&(t.maxMipLevel.value=r)}let r,a;n.lightMap&&(t.lightMap.value=n.lightMap,t.lightMapIntensity.value=n.lightMapIntensity),n.aoMap&&(t.aoMap.value=n.aoMap,t.aoMapIntensity.value=n.aoMapIntensity),n.map?r=n.map:n.specularMap?r=n.specularMap:n.displacementMap?r=n.displacementMap:n.normalMap?r=n.normalMap:n.bumpMap?r=n.bumpMap:n.roughnessMap?r=n.roughnessMap:n.metalnessMap?r=n.metalnessMap:n.alphaMap?r=n.alphaMap:n.emissiveMap?r=n.emissiveMap:n.clearcoatMap?r=n.clearcoatMap:n.clearcoatNormalMap?r=n.clearcoatNormalMap:n.clearcoatRoughnessMap&&(r=n.clearcoatRoughnessMap),void 0!==r&&(r.isWebGLRenderTarget&&(r=r.texture),!0===r.matrixAutoUpdate&&r.updateMatrix(),t.uvTransform.value.copy(r.matrix)),n.aoMap?a=n.aoMap:n.lightMap&&(a=n.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),t.uv2Transform.value.copy(a.matrix))}function n(t,n){t.roughness.value=n.roughness,t.metalness.value=n.metalness,n.roughnessMap&&(t.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(t.metalnessMap.value=n.metalnessMap),n.emissiveMap&&(t.emissiveMap.value=n.emissiveMap),n.bumpMap&&(t.bumpMap.value=n.bumpMap,t.bumpScale.value=n.bumpScale,1===n.side&&(t.bumpScale.value*=-1)),n.normalMap&&(t.normalMap.value=n.normalMap,t.normalScale.value.copy(n.normalScale),1===n.side&&t.normalScale.value.negate()),n.displacementMap&&(t.displacementMap.value=n.displacementMap,t.displacementScale.value=n.displacementScale,t.displacementBias.value=n.displacementBias),e.get(n).envMap&&(t.envMapIntensity.value=n.envMapIntensity)}return{refreshFogUniforms:function(e,t){e.fogColor.value.copy(t.color),t.isFog?(e.fogNear.value=t.near,e.fogFar.value=t.far):t.isFogExp2&&(e.fogDensity.value=t.density)},refreshMaterialUniforms:function(e,i,r,a){i.isMeshBasicMaterial?t(e,i):i.isMeshLambertMaterial?(t(e,i),function(e,t){t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap)}(e,i)):i.isMeshToonMaterial?(t(e,i),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshPhongMaterial?(t(e,i),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshStandardMaterial?(t(e,i),i.isMeshPhysicalMaterial?function(e,t){n(e,t),e.reflectivity.value=t.reflectivity,e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.sheen&&e.sheen.value.copy(t.sheen),t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap),t.clearcoatNormalMap&&(e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),e.clearcoatNormalMap.value=t.clearcoatNormalMap,1===t.side&&e.clearcoatNormalScale.value.negate()),e.transmission.value=t.transmission,t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap)}(e,i):n(e,i)):i.isMeshMatcapMaterial?(t(e,i),function(e,t){t.matcap&&(e.matcap.value=t.matcap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshDepthMaterial?(t(e,i),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isMeshDistanceMaterial?(t(e,i),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias),e.referencePosition.value.copy(t.referencePosition),e.nearDistance.value=t.nearDistance,e.farDistance.value=t.farDistance}(e,i)):i.isMeshNormalMaterial?(t(e,i),function(e,t){t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,i)):i.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity}(e,i),i.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,i)):i.isPointsMaterial?function(e,t,n,i){let r;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*n,e.scale.value=.5*i,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?r=t.map:t.alphaMap&&(r=t.alphaMap),void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),e.uvTransform.value.copy(r.matrix))}(e,i,r,a):i.isSpriteMaterial?function(e,t){let n;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?n=t.map:t.alphaMap&&(n=t.alphaMap),void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),e.uvTransform.value.copy(n.matrix))}(e,i):i.isShadowMaterial?(e.color.value.copy(i.color),e.opacity.value=i.opacity):i.isShaderMaterial&&(i.uniformsNeedUpdate=!1)}}}function au(e){const t=void 0!==(e=e||{}).canvas?e.canvas:function(){const e=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");return e.style.display="block",e}(),n=void 0!==e.context?e.context:null,i=void 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u,h=1;!0===i.wireframe&&(l=J.getWireframeAttribute(n),h=2),(i.morphTargets||i.morphNormals)&&re.update(r,n,i,s),le.setup(r,i,s,n,l);let d=ae;null!==l&&(u=Z.get(l),d=oe,d.setIndex(u));const p=null!==l?l.count:c.count,f=n.drawRange.start*h,m=n.drawRange.count*h,g=null!==a?a.start*h:0,v=null!==a?a.count*h:1/0,y=Math.max(f,g),x=Math.min(p,f+m,g+v)-1,_=Math.max(0,x-y+1);if(0!==_){if(r.isMesh)!0===i.wireframe?(W.setLineWidth(i.wireframeLinewidth*H()),d.setMode(1)):d.setMode(4);else if(r.isLine){let e=i.linewidth;void 0===e&&(e=1),W.setLineWidth(e*H()),r.isLineSegments?d.setMode(1):r.isLineLoop?d.setMode(2):d.setMode(3)}else r.isPoints?d.setMode(0):r.isSprite&&d.setMode(4);if(r.isInstancedMesh)d.renderInstances(y,_,r.count);else if(n.isInstancedBufferGeometry){const e=Math.min(n.instanceCount,n._maxInstanceCount);d.renderInstances(y,_,e)}else 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we(e,t,n,i,r,a){if(e.onBeforeRender(m,t,n,i,r,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),e.isImmediateRenderObject){const i=Ee(n,t,r,e);W.setMaterial(r),le.reset(),function(e,t){e.render((function(e){m.renderBufferImmediate(e,t)}))}(e,i)}else m.renderBufferDirect(n,t,i,r,e,a);e.onAfterRender(m,t,n,i,r,a)}function Me(e,t,n){!0!==t.isScene&&(t=B);const i=X.get(e),r=d.state.lights,a=d.state.shadowsArray,o=r.state.version,s=K.getParameters(e,r.state,a,t,n),l=K.getProgramCacheKey(s);let c=i.program,u=!0;if(i.environment=e.isMeshStandardMaterial?t.environment:null,i.fog=t.fog,i.envMap=Y.get(e.envMap||i.environment),void 0===c)e.addEventListener("dispose",ge);else if(c.cacheKey!==l)ve(e);else if(i.lightsStateVersion!==o)u=!1;else{if(void 0!==s.shaderID)return;u=!1}u&&(s.uniforms=K.getUniforms(e),e.onBeforeCompile(s,m),c=K.acquireProgram(s,l),i.program=c,i.uniforms=s.uniforms,i.outputEncoding=s.outputEncoding);const h=i.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(i.numClippingPlanes=ne.numPlanes,i.numIntersection=ne.numIntersection,h.clippingPlanes=ne.uniform),i.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),i.lightsStateVersion=o,i.needsLights&&(h.ambientLightColor.value=r.state.ambient,h.lightProbe.value=r.state.probe,h.directionalLights.value=r.state.directional,h.directionalLightShadows.value=r.state.directionalShadow,h.spotLights.value=r.state.spot,h.spotLightShadows.value=r.state.spotShadow,h.rectAreaLights.value=r.state.rectArea,h.ltc_1.value=r.state.rectAreaLTC1,h.ltc_2.value=r.state.rectAreaLTC2,h.pointLights.value=r.state.point,h.pointLightShadows.value=r.state.pointShadow,h.hemisphereLights.value=r.state.hemi,h.directionalShadowMap.value=r.state.directionalShadowMap,h.directionalShadowMatrix.value=r.state.directionalShadowMatrix,h.spotShadowMap.value=r.state.spotShadowMap,h.spotShadowMatrix.value=r.state.spotShadowMatrix,h.pointShadowMap.value=r.state.pointShadowMap,h.pointShadowMatrix.value=r.state.pointShadowMatrix);const p=i.program.getUniforms(),f=mc.seqWithValue(p.seq,h);i.uniformsList=f}function Ee(e,t,n,i){!0!==t.isScene&&(t=B),q.resetTextureUnits();const r=t.fog,a=n.isMeshStandardMaterial?t.environment:null,o=null===_?m.outputEncoding:_.texture.encoding,s=Y.get(n.envMap||a),l=X.get(n),c=d.state.lights;if(!0===z&&(!0===F||e!==M)){const t=e===M&&n.id===w;ne.setState(n,e,t)}n.version===l.__version?n.fog&&l.fog!==r||l.environment!==a||l.needsLights&&l.lightsStateVersion!==c.state.version?Me(n,t,i):void 0===l.numClippingPlanes||l.numClippingPlanes===ne.numPlanes&&l.numIntersection===ne.numIntersection?(l.outputEncoding!==o||l.envMap!==s)&&Me(n,t,i):Me(n,t,i):(Me(n,t,i),l.__version=n.version);let u=!1,h=!1,p=!1;const f=l.program,g=f.getUniforms(),v=l.uniforms;if(W.useProgram(f.program)&&(u=!0,h=!0,p=!0),n.id!==w&&(w=n.id,h=!0),u||M!==e){if(g.setValue(ce,"projectionMatrix",e.projectionMatrix),V.logarithmicDepthBuffer&&g.setValue(ce,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),M!==e&&(M=e,h=!0,p=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshStandardMaterial||n.envMap){const t=g.map.cameraPosition;void 0!==t&&t.setValue(ce,k.setFromMatrixPosition(e.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial)&&g.setValue(ce,"isOrthographic",!0===e.isOrthographicCamera),(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.isShadowMaterial||n.skinning)&&g.setValue(ce,"viewMatrix",e.matrixWorldInverse)}if(n.skinning){g.setOptional(ce,i,"bindMatrix"),g.setOptional(ce,i,"bindMatrixInverse");const e=i.skeleton;if(e){const t=e.bones;if(V.floatVertexTextures){if(null===e.boneTexture){let n=Math.sqrt(4*t.length);n=fa.ceilPowerOfTwo(n),n=Math.max(n,4);const i=new Float32Array(n*n*4);i.set(e.boneMatrices);const r=new Zs(i,n,n,Qr,qr);e.boneMatrices=i,e.boneTexture=r,e.boneTextureSize=n}g.setValue(ce,"boneTexture",e.boneTexture,q),g.setValue(ce,"boneTextureSize",e.boneTextureSize)}else g.setOptional(ce,e,"boneMatrices")}}var y,x;return(h||l.receiveShadow!==i.receiveShadow)&&(l.receiveShadow=i.receiveShadow,g.setValue(ce,"receiveShadow",i.receiveShadow)),h&&(g.setValue(ce,"toneMappingExposure",m.toneMappingExposure),l.needsLights&&(x=p,(y=v).ambientLightColor.needsUpdate=x,y.lightProbe.needsUpdate=x,y.directionalLights.needsUpdate=x,y.directionalLightShadows.needsUpdate=x,y.pointLights.needsUpdate=x,y.pointLightShadows.needsUpdate=x,y.spotLights.needsUpdate=x,y.spotLightShadows.needsUpdate=x,y.rectAreaLights.needsUpdate=x,y.hemisphereLights.needsUpdate=x),r&&n.fog&&$.refreshFogUniforms(v,r),$.refreshMaterialUniforms(v,n,R,A),mc.upload(ce,l.uniformsList,v,q)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(mc.upload(ce,l.uniformsList,v,q),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&g.setValue(ce,"center",i.center),g.setValue(ce,"modelViewMatrix",i.modelViewMatrix),g.setValue(ce,"normalMatrix",i.normalMatrix),g.setValue(ce,"modelMatrix",i.matrixWorld),f}xe.setAnimationLoop((function(e){de.isPresenting||ye&&ye(e)})),"undefined"!=typeof window&&xe.setContext(window),this.setAnimationLoop=function(e){ye=e,de.setAnimationLoop(e),null===e?xe.stop():xe.start()},this.render=function(e,t){let n,i;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),i=arguments[3]),void 0!==t&&!0!==t.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===g)return;le.resetDefaultState(),w=-1,M=null,!0===e.autoUpdate&&e.updateMatrixWorld(),null===t.parent&&t.updateMatrixWorld(),!0===de.enabled&&!0===de.isPresenting&&(t=de.getCamera(t)),!0===e.isScene&&e.onBeforeRender(m,e,t,n||_),d=te.get(e,f.length),d.init(),f.push(d),U.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),O.setFromProjectionMatrix(U),F=this.localClippingEnabled,z=ne.init(this.clippingPlanes,F,t),h=ee.get(e,p.length),h.init(),p.push(h),_e(e,t,0,m.sortObjects),h.finish(),!0===m.sortObjects&&h.sort(P,C),!0===z&&ne.beginShadows();const r=d.state.shadowsArray;pe.render(r,e,t),d.setupLights(),d.setupLightsView(t),!0===z&&ne.endShadows(),!0===this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),ie.render(h,e,t,i);const a=h.opaque,o=h.transparent;a.length>0&&be(a,e,t),o.length>0&&be(o,e,t),!0===e.isScene&&e.onAfterRender(m,e,t),null!==_&&(q.updateRenderTargetMipmap(_),q.updateMultisampleRenderTarget(_)),W.buffers.depth.setTest(!0),W.buffers.depth.setMask(!0),W.buffers.color.setMask(!0),W.setPolygonOffset(!1),f.pop(),d=f.length>0?f[f.length-1]:null,p.pop(),h=p.length>0?p[p.length-1]:null},this.setFramebuffer=function(e){v!==e&&null===_&&ce.bindFramebuffer(36160,e),v=e},this.getActiveCubeFace=function(){return y},this.getActiveMipmapLevel=function(){return x},this.getRenderTarget=function(){return _},this.setRenderTarget=function(e,t=0,n=0){_=e,y=t,x=n,e&&void 0===X.get(e).__webglFramebuffer&&q.setupRenderTarget(e);let i=v,r=!1,a=!1;if(e){const n=e.texture;(n.isDataTexture3D||n.isDataTexture2DArray)&&(a=!0);const o=X.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=o[t],r=!0):i=e.isWebGLMultisampleRenderTarget?X.get(e).__webglMultisampledFramebuffer:o,E.copy(e.viewport),S.copy(e.scissor),T=e.scissorTest}else E.copy(D).multiplyScalar(R).floor(),S.copy(N).multiplyScalar(R).floor(),T=I;if(b!==i&&(ce.bindFramebuffer(36160,i),b=i),W.viewport(E),W.scissor(S),W.setScissorTest(T),r){const i=X.get(e.texture);ce.framebufferTexture2D(36160,36064,34069+t,i.__webglTexture,n)}else if(a){const i=X.get(e.texture),r=t||0;ce.framebufferTextureLayer(36160,36064,i.__webglTexture,n||0,r)}},this.readRenderTargetPixels=function(e,t,n,i,r,a,o){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let s=X.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){let o=!1;s!==b&&(ce.bindFramebuffer(36160,s),o=!0);try{const s=e.texture,l=s.format,c=s.type;if(l!==Qr&&se.convert(l)!==ce.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const u=c===Yr&&(G.has("EXT_color_buffer_half_float")||V.isWebGL2&&G.has("EXT_color_buffer_float"));if(!(1009===c||se.convert(c)===ce.getParameter(35738)||c===qr&&(V.isWebGL2||G.has("OES_texture_float")||G.has("WEBGL_color_buffer_float"))||u))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");36053===ce.checkFramebufferStatus(36160)?t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&ce.readPixels(t,n,i,r,se.convert(l),se.convert(c),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{o&&ce.bindFramebuffer(36160,b)}}},this.copyFramebufferToTexture=function(e,t,n=0){const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),a=Math.floor(t.image.height*i),o=se.convert(t.format);q.setTexture2D(t,0),ce.copyTexImage2D(3553,n,o,e.x,e.y,r,a,0),W.unbindTexture()},this.copyTextureToTexture=function(e,t,n,i=0){const r=t.image.width,a=t.image.height,o=se.convert(n.format),s=se.convert(n.type);q.setTexture2D(n,0),ce.pixelStorei(37440,n.flipY),ce.pixelStorei(37441,n.premultiplyAlpha),ce.pixelStorei(3317,n.unpackAlignment),t.isDataTexture?ce.texSubImage2D(3553,i,e.x,e.y,r,a,o,s,t.image.data):t.isCompressedTexture?ce.compressedTexSubImage2D(3553,i,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,o,t.mipmaps[0].data):ce.texSubImage2D(3553,i,e.x,e.y,o,s,t.image),0===i&&n.generateMipmaps&&ce.generateMipmap(3553),W.unbindTexture()},this.copyTextureToTexture3D=function(e,t,n,i,r=0){if(m.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const{width:a,height:o,data:s}=n.image,l=se.convert(i.format),c=se.convert(i.type);let u;if(i.isDataTexture3D)q.setTexture3D(i,0),u=32879;else{if(!i.isDataTexture2DArray)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");q.setTexture2DArray(i,0),u=35866}ce.pixelStorei(37440,i.flipY),ce.pixelStorei(37441,i.premultiplyAlpha),ce.pixelStorei(3317,i.unpackAlignment);const h=ce.getParameter(3314),d=ce.getParameter(32878),p=ce.getParameter(3316),f=ce.getParameter(3315),g=ce.getParameter(32877);ce.pixelStorei(3314,a),ce.pixelStorei(32878,o),ce.pixelStorei(3316,e.min.x),ce.pixelStorei(3315,e.min.y),ce.pixelStorei(32877,e.min.z),ce.texSubImage3D(u,r,t.x,t.y,t.z,e.max.x-e.min.x+1,e.max.y-e.min.y+1,e.max.z-e.min.z+1,l,c,s),ce.pixelStorei(3314,h),ce.pixelStorei(32878,d),ce.pixelStorei(3316,p),ce.pixelStorei(3315,f),ce.pixelStorei(32877,g),0===r&&i.generateMipmaps&&ce.generateMipmap(u),W.unbindTexture()},this.initTexture=function(e){q.setTexture2D(e,0),W.unbindTexture()},this.resetState=function(){W.reset(),le.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}tu.prototype.isGroup=!0,Object.assign(nu.prototype,{constructor:nu,getHandSpace:function(){return null===this._hand&&(this._hand=new tu,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand},getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new tu,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new tu,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this},disconnect:function(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this},update:function(e,t,n){let i=null,r=null,a=null;const o=this._targetRay,s=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState)if(l&&e.hand){a=!0;for(const i of e.hand.values()){const e=t.getJointPose(i,n);if(void 0===l.joints[i.jointName]){const e=new tu;e.matrixAutoUpdate=!1,e.visible=!1,l.joints[i.jointName]=e,l.add(e)}const r=l.joints[i.jointName];null!==e&&(r.matrix.fromArray(e.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.jointRadius=e.radius),r.visible=null!==e}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],o=i.position.distanceTo(r.position),s=.02,c=.005;l.inputState.pinching&&o>s+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&o<=s-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==o&&(i=t.getPose(e.targetRaySpace,n),null!==i&&(o.matrix.fromArray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale))),null!==s&&e.gripSpace&&(r=t.getPose(e.gripSpace,n),null!==r&&(s.matrix.fromArray(r.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale)));return null!==o&&(o.visible=null!==i),null!==s&&(s.visible=null!==r),null!==l&&(l.visible=null!==a),this}}),Object.assign(iu.prototype,ha.prototype),class extends au{}.prototype.isWebGL1Renderer=!0;class ou{constructor(e,t){this.name="",this.color=new Zo(e),this.density=void 0!==t?t:25e-5}clone(){return new ou(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}ou.prototype.isFogExp2=!0;class su{constructor(e,t,n){this.name="",this.color=new Zo(e),this.near=void 0!==t?t:1,this.far=void 0!==n?n:1e3}clone(){return new su(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}su.prototype.isFog=!0;class lu extends So{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return null!==this.background&&(t.object.background=this.background.toJSON(e)),null!==this.environment&&(t.object.environment=this.environment.toJSON(e)),null!==this.fog&&(t.object.fog=this.fog.toJSON()),t}}function cu(e,t){this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=la,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=fa.generateUUID()}lu.prototype.isScene=!0,Object.defineProperty(cu.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.assign(cu.prototype,{isInterleavedBuffer:!0,onUploadCallback:function(){},setUsage:function(e){return this.usage=e,this},copy:function(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this},copyAt:function(e,t,n){e*=this.stride,n*=t.stride;for(let i=0,r=this.stride;i<r;i++)this.array[e+i]=t.array[n+i];return this},set:function(e,t=0){return this.array.set(e,t),this},clone:function(e){void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fa.generateUUID()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const t=new cu(new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),this.stride);return t.setUsage(this.usage),t},onUpload:function(e){return this.onUploadCallback=e,this},toJSON:function(e){return void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fa.generateUUID()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}});const uu=new Sa;function hu(e,t,n,i){this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=!0===i}Object.defineProperties(hu.prototype,{count:{get:function(){return this.data.count}},array:{get:function(){return this.data.array}},needsUpdate:{set:function(e){this.data.needsUpdate=e}}}),Object.assign(hu.prototype,{isInterleavedBufferAttribute:!0,applyMatrix4:function(e){for(let t=0,n=this.data.count;t<n;t++)uu.x=this.getX(t),uu.y=this.getY(t),uu.z=this.getZ(t),uu.applyMatrix4(e),this.setXYZ(t,uu.x,uu.y,uu.z);return this},setX:function(e,t){return this.data.array[e*this.data.stride+this.offset]=t,this},setY:function(e,t){return this.data.array[e*this.data.stride+this.offset+1]=t,this},setZ:function(e,t){return this.data.array[e*this.data.stride+this.offset+2]=t,this},setW:function(e,t){return this.data.array[e*this.data.stride+this.offset+3]=t,this},getX:function(e){return this.data.array[e*this.data.stride+this.offset]},getY:function(e){return this.data.array[e*this.data.stride+this.offset+1]},getZ:function(e){return this.data.array[e*this.data.stride+this.offset+2]},getW:function(e){return this.data.array[e*this.data.stride+this.offset+3]},setXY:function(e,t,n){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this},setXYZ:function(e,t,n,i){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this},setXYZW:function(e,t,n,i,r){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this.data.array[e+3]=r,this},clone:function(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new $o(new this.array.constructor(e),this.itemSize,this.normalized)}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new hu(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)},toJSON:function(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}});class du extends Go{constructor(e){super(),this.type="SpriteMaterial",this.color=new Zo(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this}}let pu;du.prototype.isSpriteMaterial=!0;const fu=new Sa,mu=new Sa,gu=new Sa,vu=new ma,yu=new ma,xu=new $a,_u=new Sa,bu=new Sa,wu=new Sa,Mu=new ma,Eu=new ma,Su=new ma;function Tu(e,t,n,i,r,a){vu.subVectors(e,n).addScalar(.5).multiply(i),void 0!==r?(yu.x=a*vu.x-r*vu.y,yu.y=r*vu.x+a*vu.y):yu.copy(vu),e.copy(t),e.x+=yu.x,e.y+=yu.y,e.applyMatrix4(xu)}(class extends So{constructor(e){if(super(),this.type="Sprite",void 0===pu){pu=new ys;const e=new cu(new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),5);pu.setIndex([0,1,2,0,2,3]),pu.setAttribute("position",new hu(e,3,0,!1)),pu.setAttribute("uv",new hu(e,2,3,!1))}this.geometry=pu,this.material=void 0!==e?e:new du,this.center=new ma(.5,.5)}raycast(e,t){null===e.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),mu.setFromMatrixScale(this.matrixWorld),xu.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),gu.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&mu.multiplyScalar(-gu.z);const n=this.material.rotation;let i,r;0!==n&&(r=Math.cos(n),i=Math.sin(n));const a=this.center;Tu(_u.set(-.5,-.5,0),gu,a,mu,i,r),Tu(bu.set(.5,-.5,0),gu,a,mu,i,r),Tu(wu.set(.5,.5,0),gu,a,mu,i,r),Mu.set(0,0),Eu.set(1,0),Su.set(1,1);let o=e.ray.intersectTriangle(_u,bu,wu,!1,fu);if(null===o&&(Tu(bu.set(-.5,.5,0),gu,a,mu,i,r),Eu.set(0,1),o=e.ray.intersectTriangle(_u,wu,bu,!1,fu),null===o))return;const s=e.ray.origin.distanceTo(fu);s<e.near||s>e.far||t.push({distance:s,point:fu.clone(),uv:Bo.getUV(fu,_u,bu,wu,Mu,Eu,Su,new ma),face:null,object:this})}copy(e){return super.copy(e),void 0!==e.center&&this.center.copy(e.center),this.material=e.material,this}}).prototype.isSprite=!0;const Lu=new Sa,Au=new Sa;const Ru=new Sa,Pu=new wa,Cu=new wa,Du=new Sa,Nu=new $a;function Iu(e,t){zs.call(this,e,t),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new $a,this.bindMatrixInverse=new $a}function Ou(){So.call(this),this.type="Bone"}Iu.prototype=Object.assign(Object.create(zs.prototype),{constructor:Iu,isSkinnedMesh:!0,copy:function(e){return zs.prototype.copy.call(this,e),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,this},bind:function(e,t){this.skeleton=e,void 0===t&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()},pose:function(){this.skeleton.pose()},normalizeSkinWeights:function(){const e=new wa,t=this.geometry.attributes.skinWeight;for(let n=0,i=t.count;n<i;n++){e.x=t.getX(n),e.y=t.getY(n),e.z=t.getZ(n),e.w=t.getW(n);const i=1/e.manhattanLength();i!==1/0?e.multiplyScalar(i):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}},updateMatrixWorld:function(e){zs.prototype.updateMatrixWorld.call(this,e),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)},boneTransform:function(e,t){const n=this.skeleton,i=this.geometry;Pu.fromBufferAttribute(i.attributes.skinIndex,e),Cu.fromBufferAttribute(i.attributes.skinWeight,e),Ru.fromBufferAttribute(i.attributes.position,e).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let e=0;e<4;e++){const i=Cu.getComponent(e);if(0!==i){const r=Pu.getComponent(e);Nu.multiplyMatrices(n.bones[r].matrixWorld,n.boneInverses[r]),t.addScaledVector(Du.copy(Ru).applyMatrix4(Nu),i)}}return t.applyMatrix4(this.bindMatrixInverse)}}),Ou.prototype=Object.assign(Object.create(So.prototype),{constructor:Ou,isBone:!0});const zu=new $a,Fu=new $a;class Uu{constructor(e=[],t=[]){this.uuid=fa.generateUUID(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(16*e.length),0===t.length)this.calculateInverses();else if(e.length!==t.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new $a)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){const t=new $a;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){const e=this.bones,t=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let i=0,r=e.length;i<r;i++){const r=e[i]?e[i].matrixWorld:Fu;zu.multiplyMatrices(r,t[i]),zu.toArray(n,16*i)}null!==i&&(i.needsUpdate=!0)}clone(){return new Uu(this.bones,this.boneInverses)}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){const n=this.bones[t];if(n.name===e)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,i=e.bones.length;n<i;n++){const i=e.bones[n];let r=t[i];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",i),r=new Ou),this.bones.push(r),this.boneInverses.push((new $a).fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){const e={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,n=this.boneInverses;for(let i=0,r=t.length;i<r;i++){const r=t[i];e.bones.push(r.uuid);const a=n[i];e.boneInverses.push(a.toArray())}return e}}const ku=new $a,Bu=new $a,Hu=[],Gu=new zs;function Vu(e,t,n){zs.call(this,e,t),this.instanceMatrix=new $o(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1}Vu.prototype=Object.assign(Object.create(zs.prototype),{constructor:Vu,isInstancedMesh:!0,copy:function(e){return zs.prototype.copy.call(this,e),this.instanceMatrix.copy(e.instanceMatrix),null!==e.instanceColor&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,this},getColorAt:function(e,t){t.fromArray(this.instanceColor.array,3*e)},getMatrixAt:function(e,t){t.fromArray(this.instanceMatrix.array,16*e)},raycast:function(e,t){const n=this.matrixWorld,i=this.count;if(Gu.geometry=this.geometry,Gu.material=this.material,void 0!==Gu.material)for(let r=0;r<i;r++){this.getMatrixAt(r,ku),Bu.multiplyMatrices(n,ku),Gu.matrixWorld=Bu,Gu.raycast(e,Hu);for(let e=0,n=Hu.length;e<n;e++){const n=Hu[e];n.instanceId=r,n.object=this,t.push(n)}Hu.length=0}},setColorAt:function(e,t){null===this.instanceColor&&(this.instanceColor=new $o(new Float32Array(3*this.count),3)),t.toArray(this.instanceColor.array,3*e)},setMatrixAt:function(e,t){t.toArray(this.instanceMatrix.array,16*e)},updateMorphTargets:function(){},dispose:function(){this.dispatchEvent({type:"dispose"})}});class Wu extends Go{constructor(e){super(),this.type="LineBasicMaterial",this.color=new Zo(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.morphTargets=e.morphTargets,this}}Wu.prototype.isLineBasicMaterial=!0;const ju=new Sa,Xu=new Sa,qu=new $a,Yu=new Ka,Zu=new Wa;function Ju(e=new ys,t=new Wu){So.call(this),this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}Ju.prototype=Object.assign(Object.create(So.prototype),{constructor:Ju,isLine:!0,copy:function(e){return So.prototype.copy.call(this,e),this.material=e.material,this.geometry=e.geometry,this},computeLineDistances:function(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,n=[0];for(let e=1,i=t.count;e<i;e++)ju.fromBufferAttribute(t,e-1),Xu.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=ju.distanceTo(Xu);e.setAttribute("lineDistance",new ls(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this},raycast:function(e,t){const n=this.geometry,i=this.matrixWorld,r=e.params.Line.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),Zu.copy(n.boundingSphere),Zu.applyMatrix4(i),Zu.radius+=r,!1===e.ray.intersectsSphere(Zu))return;qu.copy(i).invert(),Yu.copy(e.ray).applyMatrix4(qu);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,s=new Sa,l=new Sa,c=new Sa,u=new Sa,h=this.isLineSegments?2:1;if(n.isBufferGeometry){const i=n.index,r=n.attributes.position;if(null!==i){const n=i.array;for(let i=0,a=n.length-1;i<a;i+=h){const a=n[i],h=n[i+1];if(s.fromBufferAttribute(r,a),l.fromBufferAttribute(r,h),Yu.distanceSqToSegment(s,l,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const d=e.ray.origin.distanceTo(u);d<e.near||d>e.far||t.push({distance:d,point:c.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this})}}else for(let n=0,i=r.count-1;n<i;n+=h){if(s.fromBufferAttribute(r,n),l.fromBufferAttribute(r,n+1),Yu.distanceSqToSegment(s,l,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const i=e.ray.origin.distanceTo(u);i<e.near||i>e.far||t.push({distance:i,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}});const Qu=new Sa,Ku=new Sa;function $u(e,t){Ju.call(this,e,t),this.type="LineSegments"}$u.prototype=Object.assign(Object.create(Ju.prototype),{constructor:$u,isLineSegments:!0,computeLineDistances:function(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,n=[];for(let e=0,i=t.count;e<i;e+=2)Qu.fromBufferAttribute(t,e),Ku.fromBufferAttribute(t,e+1),n[e]=0===e?0:n[e-1],n[e+1]=n[e]+Qu.distanceTo(Ku);e.setAttribute("lineDistance",new ls(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}});(class extends Ju{constructor(e,t){super(e,t),this.type="LineLoop"}}).prototype.isLineLoop=!0;class eh extends Go{constructor(e){super(),this.type="PointsMaterial",this.color=new Zo(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.morphTargets=e.morphTargets,this}}eh.prototype.isPointsMaterial=!0;const th=new $a,nh=new Ka,ih=new Wa,rh=new Sa;function ah(e=new ys,t=new eh){So.call(this),this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}function oh(e,t,n,i,r,a,o){const s=nh.distanceSqToPoint(e);if(s<n){const n=new Sa;nh.closestPointToPoint(e,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;a.push({distance:l,distanceToRay:Math.sqrt(s),point:n,index:t,face:null,object:o})}}ah.prototype=Object.assign(Object.create(So.prototype),{constructor:ah,isPoints:!0,copy:function(e){return So.prototype.copy.call(this,e),this.material=e.material,this.geometry=e.geometry,this},raycast:function(e,t){const n=this.geometry,i=this.matrixWorld,r=e.params.Points.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),ih.copy(n.boundingSphere),ih.applyMatrix4(i),ih.radius+=r,!1===e.ray.intersectsSphere(ih))return;th.copy(i).invert(),nh.copy(e.ray).applyMatrix4(th);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position;if(null!==r){const n=r.array;for(let r=0,s=n.length;r<s;r++){const s=n[r];rh.fromBufferAttribute(a,s),oh(rh,s,o,i,e,t,this)}}else for(let n=0,r=a.count;n<r;n++)rh.fromBufferAttribute(a,n),oh(rh,n,o,i,e,t,this)}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}),class extends _a{constructor(e,t,n,i,r,a,o,s,l){super(e,t,n,i,r,a,o,s,l),this.format=void 0!==o?o:Jr,this.minFilter=void 0!==a?a:Vr,this.magFilter=void 0!==r?r:Vr,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback((function t(){c.needsUpdate=!0,e.requestVideoFrameCallback(t)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const e=this.image;!1=="requestVideoFrameCallback"in e&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}.prototype.isVideoTexture=!0;class sh extends _a{constructor(e,t,n,i,r,a,o,s,l,c,u,h){super(null,a,o,s,l,c,i,r,u,h),this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}}sh.prototype.isCompressedTexture=!0,class extends _a{constructor(e,t,n,i,r,a,o,s,l){super(e,t,n,i,r,a,o,s,l),this.needsUpdate=!0}}.prototype.isCanvasTexture=!0,class extends _a{constructor(e,t,n,i,r,a,o,s,l,c){if((c=void 0!==c?c:Kr)!==Kr&&c!==$r)throw 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function(e,t,n){if(n.shapes=[],Array.isArray(e))for(let t=0,i=e.length;t<i;t++){const i=e[t];n.shapes.push(i.uuid)}else n.shapes.push(e.uuid);return void 0!==t.extrudePath&&(n.options.extrudePath=t.extrudePath.toJSON()),n}(this.parameters.shapes,this.parameters.options,e)}}const zh={generateTopUV:function(e,t,n,i,r){const a=t[3*n],o=t[3*n+1],s=t[3*i],l=t[3*i+1],c=t[3*r],u=t[3*r+1];return[new ma(a,o),new ma(s,l),new ma(c,u)]},generateSideWallUV:function(e,t,n,i,r,a){const o=t[3*n],s=t[3*n+1],l=t[3*n+2],c=t[3*i],u=t[3*i+1],h=t[3*i+2],d=t[3*r],p=t[3*r+1],f=t[3*r+2],m=t[3*a],g=t[3*a+1],v=t[3*a+2];return Math.abs(s-u)<.01?[new ma(o,1-l),new ma(c,1-h),new ma(d,1-f),new ma(m,1-v)]:[new ma(s,1-l),new ma(u,1-h),new ma(p,1-f),new ma(g,1-v)]}};function Fh(e,t,n){ys.call(this),this.type="ParametricGeometry",this.parameters={func:e,slices:t,stacks:n};const i=[],r=[],a=[],o=[],s=1e-5,l=new Sa,c=new Sa,u=new Sa,h=new Sa,d=new Sa;e.length<3&&console.error("THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.");const p=t+1;for(let i=0;i<=n;i++){const p=i/n;for(let n=0;n<=t;n++){const i=n/t;e(i,p,c),r.push(c.x,c.y,c.z),i-s>=0?(e(i-s,p,u),h.subVectors(c,u)):(e(i+s,p,u),h.subVectors(u,c)),p-s>=0?(e(i,p-s,u),d.subVectors(c,u)):(e(i,p+s,u),d.subVectors(u,c)),l.crossVectors(h,d).normalize(),a.push(l.x,l.y,l.z),o.push(i,p)}}for(let e=0;e<n;e++)for(let n=0;n<t;n++){const t=e*p+n,r=e*p+n+1,a=(e+1)*p+n+1,o=(e+1)*p+n;i.push(t,r,o),i.push(r,a,o)}this.setIndex(i),this.setAttribute("position",new ls(r,3)),this.setAttribute("normal",new ls(a,3)),this.setAttribute("uv",new ls(o,2))}Fh.prototype=Object.create(ys.prototype),Fh.prototype.constructor=Fh;class Uh extends ys{constructor(e,t=12){super(),this.type="ShapeGeometry",this.parameters={shapes:e,curveSegments:t};const n=[],i=[],r=[],a=[];let o=0,s=0;if(!1===Array.isArray(e))l(e);else for(let t=0;t<e.length;t++)l(e[t]),this.addGroup(o,s,t),o+=s,s=0;function l(e){const o=i.length/3,l=e.extractPoints(t);let c=l.shape;const u=l.holes;!1===Dh.isClockWise(c)&&(c=c.reverse());for(let e=0,t=u.length;e<t;e++){const t=u[e];!0===Dh.isClockWise(t)&&(u[e]=t.reverse())}const h=Dh.triangulateShape(c,u);for(let e=0,t=u.length;e<t;e++){const t=u[e];c=c.concat(t)}for(let e=0,t=c.length;e<t;e++){const t=c[e];i.push(t.x,t.y,0),r.push(0,0,1),a.push(t.x,t.y)}for(let e=0,t=h.length;e<t;e++){const t=h[e],i=t[0]+o,r=t[1]+o,a=t[2]+o;n.push(i,r,a),s+=3}}this.setIndex(n),this.setAttribute("position",new ls(i,3)),this.setAttribute("normal",new ls(r,3)),this.setAttribute("uv",new ls(a,2))}toJSON(){const e=ys.prototype.toJSON.call(this);return function(e,t){if(t.shapes=[],Array.isArray(e))for(let n=0,i=e.length;n<i;n++){const i=e[n];t.shapes.push(i.uuid)}else t.shapes.push(e.uuid);return t}(this.parameters.shapes,e)}}(class extends Go{constructor(e){super(),this.type="ShadowMaterial",this.color=new Zo(0),this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this}}).prototype.isShadowMaterial=!0;function kh(e){Go.call(this),this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new Zo(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zo(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new ma(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.vertexTangents=!1,this.setValues(e)}function Bh(e){kh.call(this),this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoat=0,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new ma(1,1),this.clearcoatNormalMap=null,this.reflectivity=.5,Object.defineProperty(this,"ior",{get:function(){return(1+.4*this.reflectivity)/(1-.4*this.reflectivity)},set:function(e){this.reflectivity=fa.clamp(2.5*(e-1)/(e+1),0,1)}}),this.sheen=null,this.transmission=0,this.transmissionMap=null,this.setValues(e)}(class extends Gs{constructor(e){super(e),this.type="RawShaderMaterial"}}).prototype.isRawShaderMaterial=!0,kh.prototype=Object.create(Go.prototype),kh.prototype.constructor=kh,kh.prototype.isMeshStandardMaterial=!0,kh.prototype.copy=function(e){return Go.prototype.copy.call(this,e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this.vertexTangents=e.vertexTangents,this},Bh.prototype=Object.create(kh.prototype),Bh.prototype.constructor=Bh,Bh.prototype.isMeshPhysicalMaterial=!0,Bh.prototype.copy=function(e){return kh.prototype.copy.call(this,e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.reflectivity=e.reflectivity,e.sheen?this.sheen=(this.sheen||new Zo).copy(e.sheen):this.sheen=null,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this};class Hh extends Go{constructor(e){super(),this.type="MeshPhongMaterial",this.color=new Zo(16777215),this.specular=new Zo(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zo(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new ma(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this}}Hh.prototype.isMeshPhongMaterial=!0;(class extends Go{constructor(e){super(),this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Zo(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zo(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new ma(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this}}).prototype.isMeshToonMaterial=!0;(class extends Go{constructor(e){super(),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new ma(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this}}).prototype.isMeshNormalMaterial=!0;(class extends Go{constructor(e){super(),this.type="MeshLambertMaterial",this.color=new Zo(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zo(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this}}).prototype.isMeshLambertMaterial=!0;(class extends Go{constructor(e){super(),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Zo(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new ma(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this}}).prototype.isMeshMatcapMaterial=!0;(class extends Wu{constructor(e){super(),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}}).prototype.isLineDashedMaterial=!0;const Gh={arraySlice:function(e,t,n){return Gh.isTypedArray(e)?new e.constructor(e.subarray(t,void 0!==n?n:e.length)):e.slice(t,n)},convertArray:function(e,t,n){return!e||!n&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)},isTypedArray:function(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)},getKeyframeOrder:function(e){const t=e.length,n=new Array(t);for(let e=0;e!==t;++e)n[e]=e;return n.sort((function(t,n){return e[t]-e[n]})),n},sortedArray:function(e,t,n){const i=e.length,r=new e.constructor(i);for(let a=0,o=0;o!==i;++a){const i=n[a]*t;for(let n=0;n!==t;++n)r[o++]=e[i+n]}return r},flattenJSON:function(e,t,n,i){let r=1,a=e[0];for(;void 0!==a&&void 0===a[i];)a=e[r++];if(void 0===a)return;let o=a[i];if(void 0!==o)if(Array.isArray(o))do{o=a[i],void 0!==o&&(t.push(a.time),n.push.apply(n,o)),a=e[r++]}while(void 0!==a);else if(void 0!==o.toArray)do{o=a[i],void 0!==o&&(t.push(a.time),o.toArray(n,n.length)),a=e[r++]}while(void 0!==a);else do{o=a[i],void 0!==o&&(t.push(a.time),n.push(o)),a=e[r++]}while(void 0!==a)},subclip:function(e,t,n,i,r=30){const a=e.clone();a.name=t;const o=[];for(let e=0;e<a.tracks.length;++e){const t=a.tracks[e],s=t.getValueSize(),l=[],c=[];for(let e=0;e<t.times.length;++e){const a=t.times[e]*r;if(!(a<n||a>=i)){l.push(t.times[e]);for(let n=0;n<s;++n)c.push(t.values[e*s+n])}}0!==l.length&&(t.times=Gh.convertArray(l,t.times.constructor),t.values=Gh.convertArray(c,t.values.constructor),o.push(t))}a.tracks=o;let s=1/0;for(let e=0;e<a.tracks.length;++e)s>a.tracks[e].times[0]&&(s=a.tracks[e].times[0]);for(let e=0;e<a.tracks.length;++e)a.tracks[e].shift(-1*s);return a.resetDuration(),a},makeClipAdditive:function(e,t=0,n=e,i=30){i<=0&&(i=30);const r=n.tracks.length,a=t/i;for(let t=0;t<r;++t){const i=n.tracks[t],r=i.ValueTypeName;if("bool"===r||"string"===r)continue;const o=e.tracks.find((function(e){return e.name===i.name&&e.ValueTypeName===r}));if(void 0===o)continue;let s=0;const l=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(s=l/3);let c=0;const u=o.getValueSize();o.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(c=u/3);const h=i.times.length-1;let d;if(a<=i.times[0]){const e=s,t=l-s;d=Gh.arraySlice(i.values,e,t)}else if(a>=i.times[h]){const e=h*l+s,t=e+l-s;d=Gh.arraySlice(i.values,e,t)}else{const e=i.createInterpolant(),t=s,n=l-s;e.evaluate(a),d=Gh.arraySlice(e.resultBuffer,t,n)}"quaternion"===r&&(new Ea).fromArray(d).normalize().conjugate().toArray(d);const p=o.times.length;for(let e=0;e<p;++e){const t=e*u+c;if("quaternion"===r)Ea.multiplyQuaternionsFlat(o.values,t,d,0,o.values,t);else{const e=u-2*c;for(let n=0;n<e;++n)o.values[t+n]-=d[n]}}}return e.blendMode=2501,e}};function Vh(e,t,n,i){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new t.constructor(n),this.sampleValues=t,this.valueSize=n}function Wh(e,t,n,i){Vh.call(this,e,t,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0}function jh(e,t,n,i){Vh.call(this,e,t,n,i)}function Xh(e,t,n,i){Vh.call(this,e,t,n,i)}Object.assign(Vh.prototype,{evaluate:function(e){const t=this.parameterPositions;let n=this._cachedIndex,i=t[n],r=t[n-1];e:{t:{let a;n:{i:if(!(e<i)){for(let a=n+2;;){if(void 0===i){if(e<r)break i;return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,e,r)}if(n===a)break;if(r=i,i=t[++n],e<i)break t}a=t.length;break n}if(e>=r)break e;{const o=t[1];e<o&&(n=2,r=o);for(let a=n-2;;){if(void 0===r)return this._cachedIndex=0,this.beforeStart_(0,e,i);if(n===a)break;if(i=r,r=t[--n-1],e>=r)break t}a=n,n=0}}for(;n<a;){const i=n+a>>>1;e<t[i]?a=i:n=i+1}if(i=t[n],r=t[n-1],void 0===r)return this._cachedIndex=0,this.beforeStart_(0,e,i);if(void 0===i)return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,r,e)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,e,i)},settings:null,DefaultSettings_:{},getSettings_:function(){return this.settings||this.DefaultSettings_},copySampleValue_:function(e){const t=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=e*i;for(let e=0;e!==i;++e)t[e]=n[r+e];return t},interpolate_:function(){throw new Error("call to abstract method")},intervalChanged_:function(){}}),Object.assign(Vh.prototype,{beforeStart_:Vh.prototype.copySampleValue_,afterEnd_:Vh.prototype.copySampleValue_}),Wh.prototype=Object.assign(Object.create(Vh.prototype),{constructor:Wh,DefaultSettings_:{endingStart:ia,endingEnd:ia},intervalChanged_:function(e,t,n){const i=this.parameterPositions;let r=e-2,a=e+1,o=i[r],s=i[a];if(void 0===o)switch(this.getSettings_().endingStart){case ra:r=e,o=2*t-n;break;case aa:r=i.length-2,o=t+i[r]-i[r+1];break;default:r=e,o=n}if(void 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this.copySampleValue_(e-1)}});class qh{constructor(e,t,n,i){if(void 0===e)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===t||0===t.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=Gh.convertArray(t,this.TimeBufferType),this.values=Gh.convertArray(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(e){const t=e.constructor;let n;if(t.toJSON!==this.toJSON)n=t.toJSON(e);else{n={name:e.name,times:Gh.convertArray(e.times,Array),values:Gh.convertArray(e.values,Array)};const t=e.getInterpolation();t!==e.DefaultInterpolation&&(n.interpolation=t)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new Xh(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new jh(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new 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n=0,i=t.length;n!==i;++n)t[n]*=e}return this}trim(e,t){const n=this.times,i=n.length;let r=0,a=i-1;for(;r!==i&&n[r]<e;)++r;for(;-1!==a&&n[a]>t;)--a;if(++a,0!==r||a!==i){r>=a&&(a=Math.max(a,1),r=a-1);const e=this.getValueSize();this.times=Gh.arraySlice(n,r,a),this.values=Gh.arraySlice(this.values,r*e,a*e)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let a=null;for(let t=0;t!==r;t++){const i=n[t];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,t,i),e=!1;break}if(null!==a&&a>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,t,i,a),e=!1;break}a=i}if(void 0!==i&&Gh.isTypedArray(i))for(let t=0,n=i.length;t!==n;++t){const n=i[t];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid 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s=e.length||-1;const l=e.hierarchy||[];for(let e=0;e<l.length;e++){const r=l[e].keys;if(r&&0!==r.length)if(r[0].morphTargets){const e={};let t;for(t=0;t<r.length;t++)if(r[t].morphTargets)for(let n=0;n<r[t].morphTargets.length;n++)e[r[t].morphTargets[n]]=-1;for(const n in e){const e=[],a=[];for(let i=0;i!==r[t].morphTargets.length;++i){const i=r[t];e.push(i.time),a.push(i.morphTarget===n?1:0)}i.push(new Jh(".morphTargetInfluence["+n+"]",e,a))}s=e.length*(a||1)}else{const a=".bones["+t[e].name+"]";n(ed,a+".position",r,"pos",i),n(Kh,a+".quaternion",r,"rot",i),n(ed,a+".scale",r,"scl",i)}}return 0===i.length?null:new this(r,s,i,o)}resetDuration(){let e=0;for(let t=0,n=this.tracks.length;t!==n;++t){const n=this.tracks[t];e=Math.max(e,n.times[n.times.length-1])}return this.duration=e,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let t=0;t<this.tracks.length;t++)e=e&&this.tracks[t].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){const e=[];for(let t=0;t<this.tracks.length;t++)e.push(this.tracks[t].clone());return new this.constructor(this.name,this.duration,e,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function nd(e){if(void 0===e.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const t=function(e){switch(e.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return Jh;case"vector":case"vector2":case"vector3":case"vector4":return ed;case"color":return Zh;case"quaternion":return Kh;case"bool":case"boolean":return Yh;case"string":return $h}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+e)}(e.type);if(void 0===e.times){const t=[],n=[];Gh.flattenJSON(e.keys,t,n,"value"),e.times=t,e.values=n}return void 0!==t.parse?t.parse(e):new t(e.name,e.times,e.values,e.interpolation)}const 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e=0;e<n.mipmapCount;e++)a[t].mipmaps.push(n.mipmaps[t*n.mipmapCount+e]),a[t].format=n.format,a[t].width=n.width,a[t].height=n.height}o.image=a}else o.image.width=n.width,o.image.height=n.height,o.mipmaps=n.mipmaps;1===n.mipmapCount&&(o.minFilter=Vr),o.format=n.format,o.needsUpdate=!0,t&&t(o)}),n,i);return o}});class cd extends ad{constructor(e){super(e)}load(e,t,n,i){void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=this,a=id.get(e);if(void 0!==a)return r.manager.itemStart(e),setTimeout((function(){t&&t(a),r.manager.itemEnd(e)}),0),a;const o=document.createElementNS("http://www.w3.org/1999/xhtml","img");function s(){o.removeEventListener("load",s,!1),o.removeEventListener("error",l,!1),id.add(e,this),t&&t(this),r.manager.itemEnd(e)}function l(t){o.removeEventListener("load",s,!1),o.removeEventListener("error",l,!1),i&&i(t),r.manager.itemError(e),r.manager.itemEnd(e)}return o.addEventListener("load",s,!1),o.addEventListener("error",l,!1),"data:"!==e.substr(0,5)&&void 0!==this.crossOrigin&&(o.crossOrigin=this.crossOrigin),r.manager.itemStart(e),o.src=e,o}}class ud extends ad{constructor(e){super(e)}load(e,t,n,i){const r=new qs,a=new cd(this.manager);a.setCrossOrigin(this.crossOrigin),a.setPath(this.path);let o=0;function s(n){a.load(e[n],(function(e){r.images[n]=e,o++,6===o&&(r.needsUpdate=!0,t&&t(r))}),void 0,i)}for(let t=0;t<e.length;++t)s(t);return r}}function hd(e){ad.call(this,e)}function dd(e){ad.call(this,e)}function pd(){this.type="Curve",this.arcLengthDivisions=200}hd.prototype=Object.assign(Object.create(ad.prototype),{constructor:hd,load:function(e,t,n,i){const r=this,a=new Zs,o=new sd(this.manager);return o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setPath(this.path),o.setWithCredentials(r.withCredentials),o.load(e,(function(e){const n=r.parse(e);n&&(void 0!==n.image?a.image=n.image:void 0!==n.data&&(a.image.width=n.width,a.image.height=n.height,a.image.data=n.data),a.wrapS=void 0!==n.wrapS?n.wrapS:Br,a.wrapT=void 0!==n.wrapT?n.wrapT:Br,a.magFilter=void 0!==n.magFilter?n.magFilter:Vr,a.minFilter=void 0!==n.minFilter?n.minFilter:Vr,a.anisotropy=void 0!==n.anisotropy?n.anisotropy:1,void 0!==n.encoding&&(a.encoding=n.encoding),void 0!==n.flipY&&(a.flipY=n.flipY),void 0!==n.format&&(a.format=n.format),void 0!==n.type&&(a.type=n.type),void 0!==n.mipmaps&&(a.mipmaps=n.mipmaps,a.minFilter=Wr),1===n.mipmapCount&&(a.minFilter=Vr),a.needsUpdate=!0,t&&t(a,n))}),n,i),a}}),dd.prototype=Object.assign(Object.create(ad.prototype),{constructor:dd,load:function(e,t,n,i){const r=new _a,a=new cd(this.manager);return a.setCrossOrigin(this.crossOrigin),a.setPath(this.path),a.load(e,(function(n){r.image=n;const i=e.search(/\.jpe?g($|\?)/i)>0||0===e.search(/^data\:image\/jpeg/);r.format=i?Jr:Qr,r.needsUpdate=!0,void 0!==t&&t(r)}),n,i),r}}),Object.assign(pd.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(e,t){const n=this.getUtoTmapping(e);return this.getPoint(n,t)},getPoints:function(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t},getSpacedPoints:function(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t},getLength:function(){const e=this.getLengths();return e[e.length-1]},getLengths:function(e){if(void 0===e&&(e=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let n,i=this.getPoint(0),r=0;t.push(0);for(let a=1;a<=e;a++)n=this.getPoint(a/e),r+=n.distanceTo(i),t.push(r),i=n;return this.cacheArcLengths=t,t},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(e,t){const n=this.getLengths();let i=0;const r=n.length;let a;a=t||e*n[r-1];let o,s=0,l=r-1;for(;s<=l;)if(i=Math.floor(s+(l-s)/2),o=n[i]-a,o<0)s=i+1;else{if(!(o>0)){l=i;break}l=i-1}if(i=l,n[i]===a)return i/(r-1);const c=n[i];return(i+(a-c)/(n[i+1]-c))/(r-1)},getTangent:function(e,t){const n=1e-4;let i=e-n,r=e+n;i<0&&(i=0),r>1&&(r=1);const a=this.getPoint(i),o=this.getPoint(r),s=t||(a.isVector2?new ma:new Sa);return s.copy(o).sub(a).normalize(),s},getTangentAt:function(e,t){const n=this.getUtoTmapping(e);return this.getTangent(n,t)},computeFrenetFrames:function(e,t){const n=new Sa,i=[],r=[],a=[],o=new Sa,s=new $a;for(let t=0;t<=e;t++){const n=t/e;i[t]=this.getTangentAt(n,new Sa),i[t].normalize()}r[0]=new Sa,a[0]=new Sa;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),u=Math.abs(i[0].y),h=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),u<=l&&(l=u,n.set(0,1,0)),h<=l&&n.set(0,0,1),o.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],o),a[0].crossVectors(i[0],r[0]);for(let t=1;t<=e;t++){if(r[t]=r[t-1].clone(),a[t]=a[t-1].clone(),o.crossVectors(i[t-1],i[t]),o.length()>Number.EPSILON){o.normalize();const e=Math.acos(fa.clamp(i[t-1].dot(i[t]),-1,1));r[t].applyMatrix4(s.makeRotationAxis(o,e))}a[t].crossVectors(i[t],r[t])}if(!0===t){let t=Math.acos(fa.clamp(r[0].dot(r[e]),-1,1));t/=e,i[0].dot(o.crossVectors(r[0],r[e]))>0&&(t=-t);for(let n=1;n<=e;n++)r[n].applyMatrix4(s.makeRotationAxis(i[n],t*n)),a[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:a}},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this},toJSON:function(){const e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e},fromJSON:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}});class fd extends pd{constructor(e=0,t=0,n=1,i=1,r=0,a=2*Math.PI,o=!1,s=0){super(),this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=a,this.aClockwise=o,this.aRotation=s}getPoint(e,t){const n=t||new ma,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const a=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=a?0:i),!0!==this.aClockwise||a||(r===i?r=-i:r-=i);const o=this.aStartAngle+e*r;let s=this.aX+this.xRadius*Math.cos(o),l=this.aY+this.yRadius*Math.sin(o);if(0!==this.aRotation){const e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),n=s-this.aX,i=l-this.aY;s=n*e-i*t+this.aX,l=n*t+i*e+this.aY}return n.set(s,l)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){const e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}fd.prototype.isEllipseCurve=!0;class md extends fd{constructor(e,t,n,i,r,a){super(e,t,n,n,i,r,a),this.type="ArcCurve"}}function gd(){let e=0,t=0,n=0,i=0;function r(r,a,o,s){e=r,t=o,n=-3*r+3*a-2*o-s,i=2*r-2*a+o+s}return{initCatmullRom:function(e,t,n,i,a){r(t,n,a*(n-e),a*(i-t))},initNonuniformCatmullRom:function(e,t,n,i,a,o,s){let l=(t-e)/a-(n-e)/(a+o)+(n-t)/o,c=(n-t)/o-(i-t)/(o+s)+(i-n)/s;l*=o,c*=o,r(t,n,l,c)},calc:function(r){const a=r*r;return e+t*r+n*a+i*(a*r)}}}md.prototype.isArcCurve=!0;const vd=new Sa,yd=new gd,xd=new gd,_d=new gd;class bd extends pd{constructor(e=[],t=!1,n="centripetal",i=.5){super(),this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=i}getPoint(e,t=new Sa){const n=t,i=this.points,r=i.length,a=(r-(this.closed?0:1))*e;let o,s,l=Math.floor(a),c=a-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?o=i[(l-1)%r]:(vd.subVectors(i[0],i[1]).add(i[0]),o=vd);const u=i[l%r],h=i[(l+1)%r];if(this.closed||l+2<r?s=i[(l+2)%r]:(vd.subVectors(i[r-1],i[r-2]).add(i[r-1]),s=vd),"centripetal"===this.curveType||"chordal"===this.curveType){const e="chordal"===this.curveType?.5:.25;let t=Math.pow(o.distanceToSquared(u),e),n=Math.pow(u.distanceToSquared(h),e),i=Math.pow(h.distanceToSquared(s),e);n<1e-4&&(n=1),t<1e-4&&(t=n),i<1e-4&&(i=n),yd.initNonuniformCatmullRom(o.x,u.x,h.x,s.x,t,n,i),xd.initNonuniformCatmullRom(o.y,u.y,h.y,s.y,t,n,i),_d.initNonuniformCatmullRom(o.z,u.z,h.z,s.z,t,n,i)}else"catmullrom"===this.curveType&&(yd.initCatmullRom(o.x,u.x,h.x,s.x,this.tension),xd.initCatmullRom(o.y,u.y,h.y,s.y,this.tension),_d.initCatmullRom(o.z,u.z,h.z,s.z,this.tension));return n.set(yd.calc(c),xd.calc(c),_d.calc(c)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new Sa).fromArray(n))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}}function wd(e,t,n,i,r){const a=.5*(i-t),o=.5*(r-n),s=e*e;return(2*n-2*i+a+o)*(e*s)+(-3*n+3*i-2*a-o)*s+a*e+n}function Md(e,t,n,i){return function(e,t){const n=1-e;return n*n*t}(e,t)+function(e,t){return 2*(1-e)*e*t}(e,n)+function(e,t){return e*e*t}(e,i)}function Ed(e,t,n,i,r){return function(e,t){const n=1-e;return n*n*n*t}(e,t)+function(e,t){const n=1-e;return 3*n*n*e*t}(e,n)+function(e,t){return 3*(1-e)*e*e*t}(e,i)+function(e,t){return e*e*e*t}(e,r)}bd.prototype.isCatmullRomCurve3=!0;class Sd extends pd{constructor(e=new ma,t=new ma,n=new ma,i=new ma){super(),this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new ma){const n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(Ed(e,i.x,r.x,a.x,o.x),Ed(e,i.y,r.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}Sd.prototype.isCubicBezierCurve=!0;class Td extends pd{constructor(e=new Sa,t=new Sa,n=new Sa,i=new Sa){super(),this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new Sa){const n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(Ed(e,i.x,r.x,a.x,o.x),Ed(e,i.y,r.y,a.y,o.y),Ed(e,i.z,r.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}Td.prototype.isCubicBezierCurve3=!0;class Ld extends pd{constructor(e=new ma,t=new ma){super(),this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new ma){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){const n=t||new ma;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}Ld.prototype.isLineCurve=!0;class Ad extends pd{constructor(e=new ma,t=new ma,n=new ma){super(),this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new ma){const n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(Md(e,i.x,r.x,a.x),Md(e,i.y,r.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}Ad.prototype.isQuadraticBezierCurve=!0;class Rd extends pd{constructor(e=new Sa,t=new Sa,n=new Sa){super(),this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new Sa){const n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(Md(e,i.x,r.x,a.x),Md(e,i.y,r.y,a.y),Md(e,i.z,r.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}Rd.prototype.isQuadraticBezierCurve3=!0;class Pd extends pd{constructor(e=[]){super(),this.type="SplineCurve",this.points=e}getPoint(e,t=new ma){const n=t,i=this.points,r=(i.length-1)*e,a=Math.floor(r),o=r-a,s=i[0===a?a:a-1],l=i[a],c=i[a>i.length-2?i.length-1:a+1],u=i[a>i.length-3?i.length-1:a+2];return n.set(wd(o,s.x,l.x,c.x,u.x),wd(o,s.y,l.y,c.y,u.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new ma).fromArray(n))}return this}}Pd.prototype.isSplineCurve=!0;var Cd=Object.freeze({__proto__:null,ArcCurve:md,CatmullRomCurve3:bd,CubicBezierCurve:Sd,CubicBezierCurve3:Td,EllipseCurve:fd,LineCurve:Ld,LineCurve3:class extends pd{constructor(e=new Sa,t=new Sa){super(),this.type="LineCurve3",this.isLineCurve3=!0,this.v1=e,this.v2=t}getPoint(e,t=new Sa){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},QuadraticBezierCurve:Ad,QuadraticBezierCurve3:Rd,SplineCurve:Pd});class Dd extends pd{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){const e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);e.equals(t)||this.curves.push(new Ld(t,e))}getPoint(e){const t=e*this.getLength(),n=this.getCurveLengths();let i=0;for(;i<n.length;){if(n[i]>=t){const e=n[i]-t,r=this.curves[i],a=r.getLength(),o=0===a?0:1-e/a;return r.getPointAt(o)}i++}return null}getLength(){const e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const e=[];let t=0;for(let n=0,i=this.curves.length;n<i;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){const t=[];let n;for(let i=0,r=this.curves;i<r.length;i++){const a=r[i],o=a&&a.isEllipseCurve?2*e:a&&(a.isLineCurve||a.isLineCurve3)?1:a&&a.isSplineCurve?e*a.points.length:e,s=a.getPoints(o);for(let e=0;e<s.length;e++){const i=s[e];n&&n.equals(i)||(t.push(i),n=i)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){const n=e.curves[t];this.curves.push(n.clone())}return this.autoClose=e.autoClose,this}toJSON(){const e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,n=this.curves.length;t<n;t++){const n=this.curves[t];e.curves.push(n.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.autoClose=e.autoClose,this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){const n=e.curves[t];this.curves.push((new Cd[n.type]).fromJSON(n))}return this}}class Nd extends Dd{constructor(e){super(),this.type="Path",this.currentPoint=new ma,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){const n=new Ld(this.currentPoint.clone(),new ma(e,t));return this.curves.push(n),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,n,i){const r=new Ad(this.currentPoint.clone(),new ma(e,t),new ma(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(e,t,n,i,r,a){const o=new Sd(this.currentPoint.clone(),new ma(e,t),new ma(n,i),new ma(r,a));return this.curves.push(o),this.currentPoint.set(r,a),this}splineThru(e){const t=[this.currentPoint.clone()].concat(e),n=new Pd(t);return this.curves.push(n),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,n,i,r,a){const o=this.currentPoint.x,s=this.currentPoint.y;return this.absarc(e+o,t+s,n,i,r,a),this}absarc(e,t,n,i,r,a){return this.absellipse(e,t,n,n,i,r,a),this}ellipse(e,t,n,i,r,a,o,s){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(e+l,t+c,n,i,r,a,o,s),this}absellipse(e,t,n,i,r,a,o,s){const l=new fd(e,t,n,i,r,a,o,s);if(this.curves.length>0){const e=l.getPoint(0);e.equals(this.currentPoint)||this.lineTo(e.x,e.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){const e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}}class Id extends Nd{constructor(e){super(e),this.uuid=fa.generateUUID(),this.type="Shape",this.holes=[]}getPointsHoles(e){const t=[];for(let n=0,i=this.holes.length;n<i;n++)t[n]=this.holes[n].getPoints(e);return t}extractPoints(e){return{shape:this.getPoints(e),holes:this.getPointsHoles(e)}}copy(e){super.copy(e),this.holes=[];for(let t=0,n=e.holes.length;t<n;t++){const n=e.holes[t];this.holes.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.uuid=this.uuid,e.holes=[];for(let t=0,n=this.holes.length;t<n;t++){const n=this.holes[t];e.holes.push(n.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.uuid=e.uuid,this.holes=[];for(let t=0,n=e.holes.length;t<n;t++){const n=e.holes[t];this.holes.push((new Nd).fromJSON(n))}return this}}class Od extends So{constructor(e,t=1){super(),this.type="Light",this.color=new Zo(e),this.intensity=t}copy(e){return super.copy(e),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}Od.prototype.isLight=!0;(class extends Od{constructor(e,t,n){super(e,n),this.type="HemisphereLight",this.position.copy(So.DefaultUp),this.updateMatrix(),this.groundColor=new Zo(t)}copy(e){return Od.prototype.copy.call(this,e),this.groundColor.copy(e.groundColor),this}}).prototype.isHemisphereLight=!0;const zd=new $a,Fd=new Sa,Ud=new Sa;class kd{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.mapSize=new ma(512,512),this.map=null,this.mapPass=null,this.matrix=new $a,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Ks,this._frameExtents=new ma(1,1),this._viewportCount=1,this._viewports=[new wa(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,n=this.matrix;Fd.setFromMatrixPosition(e.matrixWorld),t.position.copy(Fd),Ud.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(Ud),t.updateMatrixWorld(),zd.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(zd),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(t.projectionMatrix),n.multiply(t.matrixWorldInverse)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}class Bd extends kd{constructor(){super(new Ws(50,1,.5,500)),this.focus=1}updateMatrices(e){const t=this.camera,n=2*fa.RAD2DEG*e.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=e.distance||t.far;n===t.fov&&i===t.aspect&&r===t.far||(t.fov=n,t.aspect=i,t.far=r,t.updateProjectionMatrix()),super.updateMatrices(e)}}Bd.prototype.isSpotLightShadow=!0;(class extends Od{constructor(e,t,n=0,i=Math.PI/3,r=0,a=1){super(e,t),this.type="SpotLight",this.position.copy(So.DefaultUp),this.updateMatrix(),this.target=new So,this.distance=n,this.angle=i,this.penumbra=r,this.decay=a,this.shadow=new Bd}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}copy(e){return super.copy(e),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}).prototype.isSpotLight=!0;const Hd=new $a,Gd=new Sa,Vd=new Sa;class Wd extends kd{constructor(){super(new Ws(90,1,.5,500)),this._frameExtents=new ma(4,2),this._viewportCount=6,this._viewports=[new wa(2,1,1,1),new wa(0,1,1,1),new wa(3,1,1,1),new wa(1,1,1,1),new wa(3,0,1,1),new wa(1,0,1,1)],this._cubeDirections=[new Sa(1,0,0),new Sa(-1,0,0),new Sa(0,0,1),new Sa(0,0,-1),new Sa(0,1,0),new Sa(0,-1,0)],this._cubeUps=[new Sa(0,1,0),new Sa(0,1,0),new Sa(0,1,0),new Sa(0,1,0),new Sa(0,0,1),new Sa(0,0,-1)]}updateMatrices(e,t=0){const n=this.camera,i=this.matrix;Gd.setFromMatrixPosition(e.matrixWorld),n.position.copy(Gd),Vd.copy(n.position),Vd.add(this._cubeDirections[t]),n.up.copy(this._cubeUps[t]),n.lookAt(Vd),n.updateMatrixWorld(),i.makeTranslation(-Gd.x,-Gd.y,-Gd.z),Hd.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Hd)}}Wd.prototype.isPointLightShadow=!0;(class extends Od{constructor(e,t,n=0,i=1){super(e,t),this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new Wd}get power(){return 4*this.intensity*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}copy(e){return super.copy(e),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}}).prototype.isPointLight=!0;class jd extends Vs{constructor(e=-1,t=1,n=1,i=-1,r=.1,a=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=i,this.near=r,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}setViewOffset(e,t,n,i,r,a){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-e,a=n+e,o=i+t,s=i-t;if(null!==this.view&&this.view.enabled){const e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=e*this.view.offsetX,a=r+e*this.view.width,o-=t*this.view.offsetY,s=o-t*this.view.height}this.projectionMatrix.makeOrthographic(r,a,o,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=So.prototype.toJSON.call(this,e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}jd.prototype.isOrthographicCamera=!0;class Xd extends kd{constructor(){super(new jd(-5,5,5,-5,.5,500))}}Xd.prototype.isDirectionalLightShadow=!0;(class extends Od{constructor(e,t){super(e,t),this.type="DirectionalLight",this.position.copy(So.DefaultUp),this.updateMatrix(),this.target=new So,this.shadow=new Xd}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}).prototype.isDirectionalLight=!0;(class extends Od{constructor(e,t){super(e,t),this.type="AmbientLight"}}).prototype.isAmbientLight=!0;(class extends Od{constructor(e,t,n=10,i=10){super(e,t),this.type="RectAreaLight",this.width=n,this.height=i}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}toJSON(e){const t=super.toJSON(e);return t.object.width=this.width,t.object.height=this.height,t}}).prototype.isRectAreaLight=!0;class qd{constructor(){this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new Sa)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){const n=e.x,i=e.y,r=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.282095),t.addScaledVector(a[1],.488603*i),t.addScaledVector(a[2],.488603*r),t.addScaledVector(a[3],.488603*n),t.addScaledVector(a[4],n*i*1.092548),t.addScaledVector(a[5],i*r*1.092548),t.addScaledVector(a[6],.315392*(3*r*r-1)),t.addScaledVector(a[7],n*r*1.092548),t.addScaledVector(a[8],.546274*(n*n-i*i)),t}getIrradianceAt(e,t){const n=e.x,i=e.y,r=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.886227),t.addScaledVector(a[1],1.023328*i),t.addScaledVector(a[2],1.023328*r),t.addScaledVector(a[3],1.023328*n),t.addScaledVector(a[4],.858086*n*i),t.addScaledVector(a[5],.858086*i*r),t.addScaledVector(a[6],.743125*r*r-.247708),t.addScaledVector(a[7],.858086*n*r),t.addScaledVector(a[8],.429043*(n*n-i*i)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(e.coefficients[n],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let n=0;n<9;n++)this.coefficients[n].lerp(e.coefficients[n],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(e,t=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(e,t+3*i);return this}toArray(e=[],t=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(e,t+3*i);return e}static getBasisAt(e,t){const n=e.x,i=e.y,r=e.z;t[0]=.282095,t[1]=.488603*i,t[2]=.488603*r,t[3]=.488603*n,t[4]=1.092548*n*i,t[5]=1.092548*i*r,t[6]=.315392*(3*r*r-1),t[7]=1.092548*n*r,t[8]=.546274*(n*n-i*i)}}qd.prototype.isSphericalHarmonics3=!0;class Yd extends Od{constructor(e=new qd,t=1){super(void 0,t),this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}fromJSON(e){return this.intensity=e.intensity,this.sh.fromArray(e.sh),this}toJSON(e){const t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}}Yd.prototype.isLightProbe=!0;function Zd(){ys.call(this),this.type="InstancedBufferGeometry",this.instanceCount=1/0}function Jd(e,t,n,i){"number"==typeof n&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),$o.call(this,e,t,n),this.meshPerAttribute=i||1}function Qd(e){"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),ad.call(this,e),this.options={premultiplyAlpha:"none"}}Zd.prototype=Object.assign(Object.create(ys.prototype),{constructor:Zd,isInstancedBufferGeometry:!0,copy:function(e){return ys.prototype.copy.call(this,e),this.instanceCount=e.instanceCount,this},clone:function(){return(new this.constructor).copy(this)},toJSON:function(){const e=ys.prototype.toJSON.call(this);return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}}),Jd.prototype=Object.assign(Object.create($o.prototype),{constructor:Jd,isInstancedBufferAttribute:!0,copy:function(e){return $o.prototype.copy.call(this,e),this.meshPerAttribute=e.meshPerAttribute,this},toJSON:function(){const e=$o.prototype.toJSON.call(this);return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}),Qd.prototype=Object.assign(Object.create(ad.prototype),{constructor:Qd,isImageBitmapLoader:!0,setOptions:function(e){return this.options=e,this},load:function(e,t,n,i){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=this,a=id.get(e);if(void 0!==a)return r.manager.itemStart(e),setTimeout((function(){t&&t(a),r.manager.itemEnd(e)}),0),a;const o={};o.credentials="anonymous"===this.crossOrigin?"same-origin":"include",o.headers=this.requestHeader,fetch(e,o).then((function(e){return e.blob()})).then((function(e){return createImageBitmap(e,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){id.add(e,n),t&&t(n),r.manager.itemEnd(e)})).catch((function(t){i&&i(t),r.manager.itemError(e),r.manager.itemEnd(e)})),r.manager.itemStart(e)}});let Kd;class $d extends ad{constructor(e){super(e)}load(e,t,n,i){const r=this,a=new sd(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,(function(n){try{const e=n.slice(0);(void 0===Kd&&(Kd=new(window.AudioContext||window.webkitAudioContext)),Kd).decodeAudioData(e,(function(e){t(e)}))}catch(t){i?i(t):console.error(t),r.manager.itemError(e)}}),n,i)}}(class extends Yd{constructor(e,t,n=1){super(void 0,n);const i=(new Zo).set(e),r=(new Zo).set(t),a=new Sa(i.r,i.g,i.b),o=new Sa(r.r,r.g,r.b),s=Math.sqrt(Math.PI),l=s*Math.sqrt(.75);this.sh.coefficients[0].copy(a).add(o).multiplyScalar(s),this.sh.coefficients[1].copy(a).sub(o).multiplyScalar(l)}}).prototype.isHemisphereLightProbe=!0,class extends Yd{constructor(e,t=1){super(void 0,t);const n=(new Zo).set(e);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}}.prototype.isAmbientLightProbe=!0,new $a,new $a;class ep{constructor(e,t,n){let i,r,a;switch(this.binding=e,this.valueSize=n,t){case"quaternion":i=this._slerp,r=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*n),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,a=this._setAdditiveIdentityOther,this.buffer=new Array(5*n);break;default:i=this._lerp,r=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*n)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){const n=this.buffer,i=this.valueSize,r=e*i+i;let a=this.cumulativeWeight;if(0===a){for(let e=0;e!==i;++e)n[r+e]=n[e];a=t}else{a+=t;const e=t/a;this._mixBufferRegion(n,r,0,e,i)}this.cumulativeWeight=a}accumulateAdditive(e){const t=this.buffer,n=this.valueSize,i=n*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(t,i,0,e,n),this.cumulativeWeightAdditive+=e}apply(e){const t=this.valueSize,n=this.buffer,i=e*t+t,r=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const e=t*this._origIndex;this._mixBufferRegion(n,i,e,1-r,t)}a>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(let e=t,r=t+t;e!==r;++e)if(n[e]!==n[e+t]){o.setValue(n,i);break}}saveOriginalState(){const e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(let e=n,r=i;e!==r;++e)t[e]=t[i+e%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const e=3*this.valueSize;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){const e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let n=e;n<t;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[t+n]=this.buffer[e+n]}_select(e,t,n,i,r){if(i>=.5)for(let i=0;i!==r;++i)e[t+i]=e[n+i]}_slerp(e,t,n,i){Ea.slerpFlat(e,t,e,t,e,n,i)}_slerpAdditive(e,t,n,i,r){const a=this._workIndex*r;Ea.multiplyQuaternionsFlat(e,a,e,t,e,n),Ea.slerpFlat(e,t,e,t,e,a,i)}_lerp(e,t,n,i,r){const a=1-i;for(let o=0;o!==r;++o){const r=t+o;e[r]=e[r]*a+e[n+o]*i}}_lerpAdditive(e,t,n,i,r){for(let a=0;a!==r;++a){const r=t+a;e[r]=e[r]+e[n+a]*i}}}const tp=new RegExp("[\\[\\]\\.:\\/]","g"),np="[^\\[\\]\\.:\\/]",ip="[^"+"\\[\\]\\.:\\/".replace("\\.","")+"]",rp=/((?:WC+[\/:])*)/.source.replace("WC",np),ap=/(WCOD+)?/.source.replace("WCOD",ip),op=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",np),sp=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",np),lp=new RegExp("^"+rp+ap+op+sp+"$"),cp=["material","materials","bones"];function up(e,t,n){const i=n||hp.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}function hp(e,t,n){this.path=t,this.parsedPath=n||hp.parseTrackName(t),this.node=hp.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e}Object.assign(up.prototype,{getValue:function(e,t){this.bind();const n=this._targetGroup.nCachedObjects_,i=this._bindings[n];void 0!==i&&i.getValue(e,t)},setValue:function(e,t){const n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(e,t)},bind:function(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()},unbind:function(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}}),Object.assign(hp,{Composite:up,create:function(e,t,n){return e&&e.isAnimationObjectGroup?new hp.Composite(e,t,n):new hp(e,t,n)},sanitizeNodeName:function(e){return e.replace(/\s/g,"_").replace(tp,"")},parseTrackName:function(e){const t=lp.exec(e);if(!t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);const n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const e=n.nodeName.substring(i+1);-1!==cp.indexOf(e)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=e)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n},findNode:function(e,t){if(!t||""===t||"."===t||-1===t||t===e.name||t===e.uuid)return e;if(e.skeleton){const n=e.skeleton.getBoneByName(t);if(void 0!==n)return n}if(e.children){const n=function(e){for(let i=0;i<e.length;i++){const r=e[i];if(r.name===t||r.uuid===t)return r;const a=n(r.children);if(a)return a}return null},i=n(e.children);if(i)return i}return null}}),Object.assign(hp.prototype,{_getValue_unavailable:function(){},_setValue_unavailable:function(){},BindingType:{Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},Versioning:{None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},GetterByBindingType:[function(e,t){e[t]=this.node[this.propertyName]},function(e,t){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)e[t++]=n[i]},function(e,t){e[t]=this.resolvedProperty[this.propertyIndex]},function(e,t){this.resolvedProperty.toArray(e,t)}],SetterByBindingTypeAndVersioning:[[function(e,t){this.targetObject[this.propertyName]=e[t]},function(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0},function(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}],[function(e,t){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++]},function(e,t){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++];this.targetObject.needsUpdate=!0},function(e,t){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}],[function(e,t){this.resolvedProperty[this.propertyIndex]=e[t]},function(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0},function(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}],[function(e,t){this.resolvedProperty.fromArray(e,t)},function(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0},function(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}]],getValue:function(e,t){this.bind(),this.getValue(e,t)},setValue:function(e,t){this.bind(),this.setValue(e,t)},bind:function(){let e=this.node;const t=this.parsedPath,n=t.objectName,i=t.propertyName;let r=t.propertyIndex;if(e||(e=hp.findNode(this.rootNode,t.nodeName)||this.rootNode,this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e)return void console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");if(n){let i=t.objectIndex;switch(n){case"materials":if(!e.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!e.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);e=e.material.materials;break;case"bones":if(!e.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);e=e.skeleton.bones;for(let t=0;t<e.length;t++)if(e[t].name===i){i=t;break}break;default:if(void 0===e[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);e=e[n]}if(void 0!==i){if(void 0===e[i])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);e=e[i]}}const a=e[i];if(void 0===a){const n=t.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+n+"."+i+" but it wasn't found.",e)}let o=this.Versioning.None;this.targetObject=e,void 0!==e.needsUpdate?o=this.Versioning.NeedsUpdate:void 0!==e.matrixWorldNeedsUpdate&&(o=this.Versioning.MatrixWorldNeedsUpdate);let s=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===i){if(!e.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!e.geometry.isBufferGeometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.",this);if(!e.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==e.morphTargetDictionary[r]&&(r=e.morphTargetDictionary[r])}s=this.BindingType.ArrayElement,this.resolvedProperty=a,this.propertyIndex=r}else void 0!==a.fromArray&&void 0!==a.toArray?(s=this.BindingType.HasFromToArray,this.resolvedProperty=a):Array.isArray(a)?(s=this.BindingType.EntireArray,this.resolvedProperty=a):this.propertyName=i;this.getValue=this.GetterByBindingType[s],this.setValue=this.SetterByBindingTypeAndVersioning[s][o]},unbind:function(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}),Object.assign(hp.prototype,{_getValue_unbound:hp.prototype.getValue,_setValue_unbound:hp.prototype.setValue});class dp{constructor(e,t,n=null,i=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=i;const r=t.tracks,a=r.length,o=new Array(a),s={endingStart:ia,endingEnd:ia};for(let e=0;e!==a;++e){const t=r[e].createInterpolant(null);o[e]=t,t.settings=s}this._interpolantSettings=s,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n){if(e.fadeOut(t),this.fadeIn(t),n){const n=this._clip.duration,i=e._clip.duration,r=i/n,a=n/i;e.warp(1,r,t),this.warp(a,1,t)}return this}crossFadeTo(e,t,n){return e.crossFadeFrom(this,t,n)}stopFading(){const e=this._weightInterpolant;return null!==e&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){const i=this._mixer,r=i.time,a=this.timeScale;let o=this._timeScaleInterpolant;null===o&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);const s=o.parameterPositions,l=o.sampleValues;return s[0]=r,s[1]=r+n,l[0]=e/a,l[1]=t/a,this}stopWarping(){const e=this._timeScaleInterpolant;return null!==e&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,i){if(!this.enabled)return void this._updateWeight(e);const r=this._startTime;if(null!==r){const i=(e-r)*n;if(i<0||0===n)return;this._startTime=null,t=n*i}t*=this._updateTimeScale(e);const a=this._updateTime(t),o=this._updateWeight(e);if(o>0){const e=this._interpolants,t=this._propertyBindings;switch(this.blendMode){case 2501:for(let n=0,i=e.length;n!==i;++n)e[n].evaluate(a),t[n].accumulateAdditive(o);break;case 2500:default:for(let n=0,r=e.length;n!==r;++n)e[n].evaluate(a),t[n].accumulate(i,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;const n=this._timeScaleInterpolant;null!==n&&(t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),0===t?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){const t=this._clip.duration,n=this.loop;let i=this.time+e,r=this._loopCount;const a=2202===n;if(0===e)return-1===r?i:a&&1==(1&r)?t-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(i>=t)i=t;else{if(!(i<0)){this.time=i;break e}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(-1===r&&(e>=0?(r=0,this._setEndings(!0,0===this.repetitions,a)):this._setEndings(0===this.repetitions,!0,a)),i>=t||i<0){const n=Math.floor(i/t);i-=t*n,r+=Math.abs(n);const o=this.repetitions-r;if(o<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=e>0?t:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(1===o){const t=e<0;this._setEndings(t,!t,a)}else this._setEndings(!1,!1,a);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(a&&1==(1&r))return t-i}return i}_setEndings(e,t,n){const i=this._interpolantSettings;n?(i.endingStart=ra,i.endingEnd=ra):(i.endingStart=e?this.zeroSlopeAtStart?ra:ia:aa,i.endingEnd=t?this.zeroSlopeAtEnd?ra:ia:aa)}_scheduleFading(e,t,n){const i=this._mixer,r=i.time;let a=this._weightInterpolant;null===a&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);const o=a.parameterPositions,s=a.sampleValues;return o[0]=r,s[0]=t,o[1]=r+e,s[1]=n,this}}(class extends ha{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){const n=e._localRoot||this._root,i=e._clip.tracks,r=i.length,a=e._propertyBindings,o=e._interpolants,s=n.uuid,l=this._bindingsByRootAndName;let c=l[s];void 0===c&&(c={},l[s]=c);for(let e=0;e!==r;++e){const r=i[e],l=r.name;let u=c[l];if(void 0!==u)a[e]=u;else{if(u=a[e],void 0!==u){null===u._cacheIndex&&(++u.referenceCount,this._addInactiveBinding(u,s,l));continue}const i=t&&t._propertyBindings[e].binding.parsedPath;u=new ep(hp.create(n,l,i),r.ValueTypeName,r.getValueSize()),++u.referenceCount,this._addInactiveBinding(u,s,l),a[e]=u}o[e].resultBuffer=u.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(null===e._cacheIndex){const t=(e._localRoot||this._root).uuid,n=e._clip.uuid,i=this._actionsByClip[n];this._bindAction(e,i&&i.knownActions[0]),this._addInactiveAction(e,n,t)}const t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){const n=t[e];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){const t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){const n=t[e];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){const t=e._cacheIndex;return null!==t&&t<this._nActiveActions}_addInactiveAction(e,t,n){const i=this._actions,r=this._actionsByClip;let a=r[t];if(void 0===a)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,r[t]=a;else{const t=a.knownActions;e._byClipCacheIndex=t.length,t.push(e)}e._cacheIndex=i.length,i.push(e),a.actionByRoot[n]=e}_removeInactiveAction(e){const t=this._actions,n=t[t.length-1],i=e._cacheIndex;n._cacheIndex=i,t[i]=n,t.pop(),e._cacheIndex=null;const r=e._clip.uuid,a=this._actionsByClip,o=a[r],s=o.knownActions,l=s[s.length-1],c=e._byClipCacheIndex;l._byClipCacheIndex=c,s[c]=l,s.pop(),e._byClipCacheIndex=null,delete o.actionByRoot[(e._localRoot||this._root).uuid],0===s.length&&delete a[r],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){const t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){const n=t[e];0==--n.referenceCount&&this._removeInactiveBinding(n)}}_lendAction(e){const t=this._actions,n=e._cacheIndex,i=this._nActiveActions++,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_takeBackAction(e){const t=this._actions,n=e._cacheIndex,i=--this._nActiveActions,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_addInactiveBinding(e,t,n){const i=this._bindingsByRootAndName,r=this._bindings;let a=i[t];void 0===a&&(a={},i[t]=a),a[n]=e,e._cacheIndex=r.length,r.push(e)}_removeInactiveBinding(e){const t=this._bindings,n=e.binding,i=n.rootNode.uuid,r=n.path,a=this._bindingsByRootAndName,o=a[i],s=t[t.length-1],l=e._cacheIndex;s._cacheIndex=l,t[l]=s,t.pop(),delete o[r],0===Object.keys(o).length&&delete a[i]}_lendBinding(e){const t=this._bindings,n=e._cacheIndex,i=this._nActiveBindings++,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_takeBackBinding(e){const t=this._bindings,n=e._cacheIndex,i=--this._nActiveBindings,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_lendControlInterpolant(){const e=this._controlInterpolants,t=this._nActiveControlInterpolants++;let n=e[t];return void 0===n&&(n=new jh(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer),n.__cacheIndex=t,e[t]=n),n}_takeBackControlInterpolant(e){const t=this._controlInterpolants,n=e.__cacheIndex,i=--this._nActiveControlInterpolants,r=t[i];e.__cacheIndex=i,t[i]=e,r.__cacheIndex=n,t[n]=r}clipAction(e,t,n){const i=t||this._root,r=i.uuid;let a="string"==typeof e?td.findByName(i,e):e;const o=null!==a?a.uuid:e,s=this._actionsByClip[o];let l=null;if(void 0===n&&(n=null!==a?a.blendMode:2500),void 0!==s){const e=s.actionByRoot[r];if(void 0!==e&&e.blendMode===n)return e;l=s.knownActions[0],null===a&&(a=l._clip)}if(null===a)return null;const c=new dp(this,a,t,n);return this._bindAction(c,l),this._addInactiveAction(c,o,r),c}existingAction(e,t){const n=t||this._root,i=n.uuid,r="string"==typeof e?td.findByName(n,e):e,a=r?r.uuid:e,o=this._actionsByClip[a];return void 0!==o&&o.actionByRoot[i]||null}stopAllAction(){const e=this._actions;for(let t=this._nActiveActions-1;t>=0;--t)e[t].stop();return this}update(e){e*=this.timeScale;const t=this._actions,n=this._nActiveActions,i=this.time+=e,r=Math.sign(e),a=this._accuIndex^=1;for(let o=0;o!==n;++o)t[o]._update(i,e,r,a);const o=this._bindings,s=this._nActiveBindings;for(let e=0;e!==s;++e)o[e].apply(a);return this}setTime(e){this.time=0;for(let e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){const t=this._actions,n=e.uuid,i=this._actionsByClip,r=i[n];if(void 0!==r){const e=r.knownActions;for(let n=0,i=e.length;n!==i;++n){const i=e[n];this._deactivateAction(i);const r=i._cacheIndex,a=t[t.length-1];i._cacheIndex=null,i._byClipCacheIndex=null,a._cacheIndex=r,t[r]=a,t.pop(),this._removeInactiveBindingsForAction(i)}delete i[n]}}uncacheRoot(e){const t=e.uuid,n=this._actionsByClip;for(const e in n){const i=n[e].actionByRoot[t];void 0!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}const i=this._bindingsByRootAndName[t];if(void 0!==i)for(const e in i){const t=i[e];t.restoreOriginalState(),this._removeInactiveBinding(t)}}uncacheAction(e,t){const n=this.existingAction(e,t);null!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}}).prototype._controlInterpolantsResultBuffer=new Float32Array(1);class pp{constructor(e){"string"==typeof e&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),e=arguments[1]),this.value=e}clone(){return new pp(void 0===this.value.clone?this.value:this.value.clone())}}function fp(e,t,n){cu.call(this,e,t),this.meshPerAttribute=n||1}function mp(e,t,n,i,r){this.buffer=e,this.type=t,this.itemSize=n,this.elementSize=i,this.count=r,this.version=0}function gp(e,t,n=0,i=1/0){this.ray=new Ka(e,t),this.near=n,this.far=i,this.camera=null,this.layers=new uo,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}},Object.defineProperties(this.params,{PointCloud:{get:function(){return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),this.Points}}})}function vp(e,t){return e.distance-t.distance}function yp(e,t,n,i){if(e.layers.test(t.layers)&&e.raycast(t,n),!0===i){const i=e.children;for(let e=0,r=i.length;e<r;e++)yp(i[e],t,n,!0)}}fp.prototype=Object.assign(Object.create(cu.prototype),{constructor:fp,isInstancedInterleavedBuffer:!0,copy:function(e){return cu.prototype.copy.call(this,e),this.meshPerAttribute=e.meshPerAttribute,this},clone:function(e){const t=cu.prototype.clone.call(this,e);return t.meshPerAttribute=this.meshPerAttribute,t},toJSON:function(e){const t=cu.prototype.toJSON.call(this,e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}}),Object.defineProperty(mp.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.assign(mp.prototype,{isGLBufferAttribute:!0,setBuffer:function(e){return this.buffer=e,this},setType:function(e,t){return this.type=e,this.elementSize=t,this},setItemSize:function(e){return this.itemSize=e,this},setCount:function(e){return this.count=e,this}}),Object.assign(gp.prototype,{set:function(e,t){this.ray.set(e,t)},setFromCamera:function(e,t){t&&t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t&&t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):console.error("THREE.Raycaster: Unsupported camera type: "+t.type)},intersectObject:function(e,t=!1,n=[]){return yp(e,this,n,t),n.sort(vp),n},intersectObjects:function(e,t=!1,n=[]){for(let i=0,r=e.length;i<r;i++)yp(e[i],this,n,t);return n.sort(vp),n}});const xp=new ma;class _p{constructor(e=new ma(1/0,1/0),t=new ma(-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=xp.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(e){return void 0===e&&(console.warn("THREE.Box2: .getCenter() target is now required"),e=new ma),this.isEmpty()?e.set(0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return void 0===e&&(console.warn("THREE.Box2: .getSize() target is now required"),e=new ma),this.isEmpty()?e.set(0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return void 0===t&&(console.warn("THREE.Box2: .getParameter() target is now required"),t=new ma),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y)}clampPoint(e,t){return void 0===t&&(console.warn("THREE.Box2: .clampPoint() target is now required"),t=new ma),t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return xp.copy(e).clamp(this.min,this.max).sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}function bp(e){So.call(this),this.material=e,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}_p.prototype.isBox2=!0,bp.prototype=Object.create(So.prototype),bp.prototype.constructor=bp,bp.prototype.isImmediateRenderObject=!0;const wp=new Sa,Mp=new $a,Ep=new $a;function Sp(e){const t=[];e&&e.isBone&&t.push(e);for(let n=0;n<e.children.length;n++)t.push.apply(t,Sp(e.children[n]));return t}const Tp=new Float32Array(1),Lp=(new Int32Array(Tp.buffer),Math.pow(2,8),[.125,.215,.35,.446,.526,.582]),Ap=5+Lp.length,Rp=new Jo({side:1,depthWrite:!1,depthTest:!1}),{_lodPlanes:Pp,_sizeLods:Cp,_sigmas:Dp}=(new zs(new Us,Rp),Np());function Np(){const e=[],t=[],n=[];let i=8;for(let r=0;r<Ap;r++){const a=Math.pow(2,i);t.push(a);let o=1/a;r>4?o=Lp[r-8+4-1]:0==r&&(o=0),n.push(o);const s=1/(a-1),l=-s/2,c=1+s/2,u=[l,l,c,l,c,c,l,l,c,c,l,c],h=6,d=6,p=3,f=2,m=1,g=new Float32Array(p*d*h),v=new Float32Array(f*d*h),y=new Float32Array(m*d*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,n=e>2?0:-1,i=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0];g.set(i,p*d*e),v.set(u,f*d*e);const r=[e,e,e,e,e,e];y.set(r,m*d*e)}const x=new ys;x.setAttribute("position",new $o(g,p)),x.setAttribute("uv",new $o(v,f)),x.setAttribute("faceIndex",new $o(y,m)),e.push(x),i>4&&i--}return{_lodPlanes:e,_sizeLods:t,_sigmas:n}}Math.sqrt(5),pd.create=function(e,t){return console.log("THREE.Curve.create() has been deprecated"),e.prototype=Object.create(pd.prototype),e.prototype.constructor=e,e.prototype.getPoint=t,e},Nd.prototype.fromPoints=function(e){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(e)},class extends $u{constructor(e=10,t=10,n=4473924,i=8947848){n=new Zo(n),i=new Zo(i);const r=t/2,a=e/t,o=e/2,s=[],l=[];for(let e=0,c=0,u=-o;e<=t;e++,u+=a){s.push(-o,0,u,o,0,u),s.push(u,0,-o,u,0,o);const t=e===r?n:i;t.toArray(l,c),c+=3,t.toArray(l,c),c+=3,t.toArray(l,c),c+=3,t.toArray(l,c),c+=3}const c=new ys;c.setAttribute("position",new ls(s,3)),c.setAttribute("color",new ls(l,3)),super(c,new Wu({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}}.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")},class extends $u{constructor(e){const t=Sp(e),n=new ys,i=[],r=[],a=new Zo(0,0,1),o=new Zo(0,1,0);for(let e=0;e<t.length;e++){const n=t[e];n.parent&&n.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(a.r,a.g,a.b),r.push(o.r,o.g,o.b))}n.setAttribute("position",new ls(i,3)),n.setAttribute("color",new ls(r,3)),super(n,new Wu({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.type="SkeletonHelper",this.isSkeletonHelper=!0,this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(e){const t=this.bones,n=this.geometry,i=n.getAttribute("position");Ep.copy(this.root.matrixWorld).invert();for(let e=0,n=0;e<t.length;e++){const r=t[e];r.parent&&r.parent.isBone&&(Mp.multiplyMatrices(Ep,r.matrixWorld),wp.setFromMatrixPosition(Mp),i.setXYZ(n,wp.x,wp.y,wp.z),Mp.multiplyMatrices(Ep,r.parent.matrixWorld),wp.setFromMatrixPosition(Mp),i.setXYZ(n+1,wp.x,wp.y,wp.z),n+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(e)}}.prototype.update=function(){console.error("THREE.SkeletonHelper: update() no longer needs to be called.")},ad.prototype.extractUrlBase=function(e){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),function(e){const t=e.lastIndexOf("/");return-1===t?"./":e.substr(0,t+1)}(e)},ad.Handlers={add:function(){console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")},get:function(){console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")}},_p.prototype.center=function(e){return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),this.getCenter(e)},_p.prototype.empty=function(){return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),this.isEmpty()},_p.prototype.isIntersectionBox=function(e){return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},_p.prototype.size=function(e){return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),this.getSize(e)},Aa.prototype.center=function(e){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(e)},Aa.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()},Aa.prototype.isIntersectionBox=function(e){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},Aa.prototype.isIntersectionSphere=function(e){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(e)},Aa.prototype.size=function(e){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(e)},Wa.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()},Ks.prototype.setFromMatrix=function(e){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(e)},fa.random16=function(){return console.warn("THREE.Math: .random16() has been deprecated. Use Math.random() instead."),Math.random()},fa.nearestPowerOfTwo=function(e){return console.warn("THREE.Math: .nearestPowerOfTwo() has been renamed to .floorPowerOfTwo()."),fa.floorPowerOfTwo(e)},fa.nextPowerOfTwo=function(e){return console.warn("THREE.Math: .nextPowerOfTwo() has been renamed to .ceilPowerOfTwo()."),fa.ceilPowerOfTwo(e)},ga.prototype.flattenToArrayOffset=function(e,t){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(e,t)},ga.prototype.multiplyVector3=function(e){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),e.applyMatrix3(this)},ga.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")},ga.prototype.applyToBufferAttribute=function(e){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),e.applyMatrix3(this)},ga.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")},ga.prototype.getInverse=function(e){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(e).invert()},$a.prototype.extractPosition=function(e){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(e)},$a.prototype.flattenToArrayOffset=function(e,t){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(e,t)},$a.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),(new Sa).setFromMatrixColumn(this,3)},$a.prototype.setRotationFromQuaternion=function(e){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(e)},$a.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")},$a.prototype.multiplyVector3=function(e){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},$a.prototype.multiplyVector4=function(e){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},$a.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")},$a.prototype.rotateAxis=function(e){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),e.transformDirection(this)},$a.prototype.crossVector=function(e){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},$a.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")},$a.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")},$a.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")},$a.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")},$a.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")},$a.prototype.applyToBufferAttribute=function(e){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},$a.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")},$a.prototype.makeFrustum=function(e,t,n,i,r,a){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(e,t,i,n,r,a)},$a.prototype.getInverse=function(e){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(e).invert()},Ro.prototype.isIntersectionLine=function(e){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(e)},Ea.prototype.multiplyVector3=function(e){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),e.applyQuaternion(this)},Ea.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()},Ka.prototype.isIntersectionBox=function(e){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},Ka.prototype.isIntersectionPlane=function(e){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(e)},Ka.prototype.isIntersectionSphere=function(e){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(e)},Bo.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()},Bo.prototype.barycoordFromPoint=function(e,t){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(e,t)},Bo.prototype.midpoint=function(e){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(e)},Bo.prototypenormal=function(e){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(e)},Bo.prototype.plane=function(e){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(e)},Bo.barycoordFromPoint=function(e,t,n,i,r){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),Bo.getBarycoord(e,t,n,i,r)},Bo.normal=function(e,t,n,i){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),Bo.getNormal(e,t,n,i)},Id.prototype.extractAllPoints=function(e){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(e)},Id.prototype.extrude=function(e){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new Oh(this,e)},Id.prototype.makeGeometry=function(e){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new Uh(this,e)},ma.prototype.fromAttribute=function(e,t,n){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,n)},ma.prototype.distanceToManhattan=function(e){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(e)},ma.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},Sa.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")},Sa.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")},Sa.prototype.getPositionFromMatrix=function(e){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(e)},Sa.prototype.getScaleFromMatrix=function(e){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(e)},Sa.prototype.getColumnFromMatrix=function(e,t){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(t,e)},Sa.prototype.applyProjection=function(e){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(e)},Sa.prototype.fromAttribute=function(e,t,n){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,n)},Sa.prototype.distanceToManhattan=function(e){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(e)},Sa.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},wa.prototype.fromAttribute=function(e,t,n){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,n)},wa.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},So.prototype.getChildByName=function(e){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(e)},So.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")},So.prototype.translate=function(e,t){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(t,e)},So.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")},So.prototype.applyMatrix=function(e){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(e)},Object.defineProperties(So.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(e){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=e}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}}),zs.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")},Object.defineProperties(zs.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),0},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}}),Object.defineProperties(class extends So{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);const t=e.levels;for(let e=0,n=t.length;e<n;e++){const n=t[e];this.addLevel(n.object.clone(),n.distance)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0){t=Math.abs(t);const n=this.levels;let i;for(i=0;i<n.length&&!(t<n[i].distance);i++);return n.splice(i,0,{distance:t,object:e}),this.add(e),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){const t=this.levels;if(t.length>0){let n,i;for(n=1,i=t.length;n<i&&!(e<t[n].distance);n++);return t[n-1].object}return null}raycast(e,t){if(this.levels.length>0){Lu.setFromMatrixPosition(this.matrixWorld);const n=e.ray.origin.distanceTo(Lu);this.getObjectForDistance(n).raycast(e,t)}}update(e){const t=this.levels;if(t.length>1){Lu.setFromMatrixPosition(e.matrixWorld),Au.setFromMatrixPosition(this.matrixWorld);const n=Lu.distanceTo(Au)/e.zoom;let i,r;for(t[0].object.visible=!0,i=1,r=t.length;i<r&&n>=t[i].distance;i++)t[i-1].object.visible=!1,t[i].object.visible=!0;for(this._currentLevel=i-1;i<r;i++)t[i].object.visible=!1}}toJSON(e){const t=super.toJSON(e);!1===this.autoUpdate&&(t.object.autoUpdate=!1),t.object.levels=[];const n=this.levels;for(let e=0,i=n.length;e<i;e++){const i=n[e];t.object.levels.push({object:i.object.uuid,distance:i.distance})}return t}}.prototype,{objects:{get:function(){return console.warn("THREE.LOD: .objects has been renamed to .levels."),this.levels}}}),Object.defineProperty(Uu.prototype,"useVertexTexture",{get:function(){console.warn("THREE.Skeleton: useVertexTexture has been removed.")},set:function(){console.warn("THREE.Skeleton: useVertexTexture has been removed.")}}),Iu.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")},Object.defineProperty(pd.prototype,"__arcLengthDivisions",{get:function(){return console.warn("THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions."),this.arcLengthDivisions},set:function(e){console.warn("THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions."),this.arcLengthDivisions=e}}),Ws.prototype.setLens=function(e,t){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),void 0!==t&&(this.filmGauge=t),this.setFocalLength(e)},Object.defineProperties(Od.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(e){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=e}},shadowCameraLeft:{set:function(e){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=e}},shadowCameraRight:{set:function(e){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=e}},shadowCameraTop:{set:function(e){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=e}},shadowCameraBottom:{set:function(e){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=e}},shadowCameraNear:{set:function(e){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=e}},shadowCameraFar:{set:function(e){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=e}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(e){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=e}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(e){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=e}},shadowMapHeight:{set:function(e){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=e}}}),Object.defineProperties($o.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===ca},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(ca)}}}),$o.prototype.setDynamic=function(e){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===e?ca:la),this},$o.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},$o.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},ys.prototype.addIndex=function(e){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(e)},ys.prototype.addAttribute=function(e,t){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),t&&t.isBufferAttribute||t&&t.isInterleavedBufferAttribute?"index"===e?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(t),this):this.setAttribute(e,t):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(e,new $o(arguments[1],arguments[2])))},ys.prototype.addDrawCall=function(e,t,n){void 0!==n&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(e,t)},ys.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()},ys.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")},ys.prototype.removeAttribute=function(e){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(e)},ys.prototype.applyMatrix=function(e){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(e)},Object.defineProperties(ys.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}}),Object.defineProperties(Zd.prototype,{maxInstancedCount:{get:function(){return console.warn("THREE.InstancedBufferGeometry: .maxInstancedCount has been renamed to .instanceCount."),this.instanceCount},set:function(e){console.warn("THREE.InstancedBufferGeometry: .maxInstancedCount has been renamed to .instanceCount."),this.instanceCount=e}}}),Object.defineProperties(gp.prototype,{linePrecision:{get:function(){return console.warn("THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead."),this.params.Line.threshold},set:function(e){console.warn("THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead."),this.params.Line.threshold=e}}}),Object.defineProperties(cu.prototype,{dynamic:{get:function(){return console.warn("THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead."),this.usage===ca},set:function(e){console.warn("THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead."),this.setUsage(e)}}}),cu.prototype.setDynamic=function(e){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===e?ca:la),this},cu.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},Oh.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")},Oh.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")},Oh.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")},lu.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")},Object.defineProperties(pp.prototype,{dynamic:{set:function(){console.warn("THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.")}},onUpdate:{value:function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),this}}}),Object.defineProperties(Go.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new Zo}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(e){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===e}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(e){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=e}}}),Object.defineProperties(Hh.prototype,{metal:{get:function(){return console.warn("THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead."),!1},set:function(){console.warn("THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead")}}}),Object.defineProperties(Bh.prototype,{transparency:{get:function(){return console.warn("THREE.MeshPhysicalMaterial: .transparency has been renamed to .transmission."),this.transmission},set:function(e){console.warn("THREE.MeshPhysicalMaterial: .transparency has been renamed to .transmission."),this.transmission=e}}}),Object.defineProperties(Gs.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(e){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=e}}}),au.prototype.clearTarget=function(e,t,n,i){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(e),this.clear(t,n,i)},au.prototype.animate=function(e){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(e)},au.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()},au.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()},au.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision},au.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()},au.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")},au.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")},au.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")},au.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")},au.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")},au.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")},au.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures},au.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")},au.prototype.enableScissorTest=function(e){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(e)},au.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")},au.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")},au.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")},au.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")},au.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")},au.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")},au.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")},au.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")},au.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")},au.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()},Object.defineProperties(au.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(e){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=e}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(e){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=e}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")}},context:{get:function(){return console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead."),this.getContext()}},vr:{get:function(){return console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr"),this.xr}},gammaInput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead."),!1},set:function(){console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.")}},gammaOutput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),!1},set:function(e){console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),this.outputEncoding=!0===e?3001:oa}},toneMappingWhitePoint:{get:function(){return console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed."),1},set:function(){console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.")}}}),Object.defineProperties(Jc.prototype,{cullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")}},renderReverseSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")}},renderSingleSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")}}}),Object.defineProperties(Ma.prototype,{wrapS:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS},set:function(e){console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS=e}},wrapT:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT},set:function(e){console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT=e}},magFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter},set:function(e){console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter=e}},minFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter},set:function(e){console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter=e}},anisotropy:{get:function(){return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(e){console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=e}},offset:{get:function(){return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset},set:function(e){console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset=e}},repeat:{get:function(){return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(e){console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat=e}},format:{get:function(){return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format},set:function(e){console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format=e}},type:{get:function(){return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type},set:function(e){console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type=e}},generateMipmaps:{get:function(){return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps},set:function(e){console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps=e}}}),Object.defineProperties(class extends So{constructor(e){super(),this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+e;const t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(e){return e||(e=[]),!0===this._connected?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){if(this.detune=e,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(!1!==this.hasPlaybackControl)return this.playbackRate=e,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;console.warn("THREE.Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(e){if(!1!==this.hasPlaybackControl)return this.loop=e,!0===this.isPlaying&&(this.source.loop=this.loop),this;console.warn("THREE.Audio: this Audio has no playback control.")}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}}.prototype,{load:{value:function(e){console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");const t=this;return(new $d).load(e,(function(e){t.setBuffer(e)})),this}},startTime:{set:function(){console.warn("THREE.Audio: .startTime is now .play( delay ).")}}}),Xs.prototype.updateCubeMap=function(e,t){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(e,t)},Xs.prototype.clear=function(e,t,n,i){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(e,t,n,i)},ya.crossOrigin=void 0,ya.loadTexture=function(e,t,n,i){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");const r=new dd;r.setCrossOrigin(this.crossOrigin);const a=r.load(e,n,void 0,i);return t&&(a.mapping=t),a},ya.loadTextureCube=function(e,t,n,i){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");const r=new ud;r.setCrossOrigin(this.crossOrigin);const a=r.load(e,n,void 0,i);return t&&(a.mapping=t),a},ya.loadCompressedTexture=function(){console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.")},ya.loadCompressedTextureCube=function(){console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.")},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:"126"}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__="126");class Ip extends dt{constructor(e){super(),this.type="PointsMaterial",this.color=new _e(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.morphTargets=e.morphTargets,this}}Ip.prototype.isPointsMaterial=!0;class Op extends br{constructor(e,t=1,n=16776960){const i=n,r=new lt;r.setAttribute("position",new Ie([1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],3)),r.computeBoundingSphere(),super(r,new mr({color:i,toneMapped:!1})),this.type="PlaneHelper",this.plane=e,this.size=t;const a=new lt;a.setAttribute("position",new Ie([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3)),a.computeBoundingSphere(),this.add(new en(a,new zt({color:i,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){let t=-this.plane.constant;Math.abs(t)<1e-8&&(t=1e-8),this.scale.set(.5*this.size,.5*this.size,t),this.children[0].material.side=t<0?1:0,this.lookAt(this.plane.normal),super.updateMatrixWorld(e)}}function zp(e,t,n=0,i=1/0){this.ray=new Et(e,t),this.near=n,this.far=i,this.camera=null,this.layers=new ke,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}},Object.defineProperties(this.params,{PointCloud:{get:function(){return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),this.Points}}})}function Fp(e,t){return e.distance-t.distance}function Up(e,t,n,i){if(e.layers.test(t.layers)&&e.raycast(t,n),!0===i){const i=e.children;for(let e=0,r=i.length;e<r;e++)Up(i[e],t,n,!0)}}Object.assign(zp.prototype,{set:function(e,t){this.ray.set(e,t)},setFromCamera:function(e,t){t&&t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t&&t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):console.error("THREE.Raycaster: Unsupported camera type: "+t.type)},intersectObject:function(e,t=!1,n=[]){return Up(e,this,n,t),n.sort(Fp),n},intersectObjects:function(e,t=!1,n=[]){for(let i=0,r=e.length;i<r;i++)Up(e[i],this,n,t);return n.sort(Fp),n}});const kp=new ae,Bp=new Et,Hp=new Q,Gp=new D;function Vp(e=new lt,t=new Ip){$e.call(this),this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}function Wp(e,t,n,i,r,a,o){const s=Bp.distanceSqToPoint(e);if(s<n){const n=new D;Bp.closestPointToPoint(e,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;a.push({distance:l,distanceToRay:Math.sqrt(s),point:n,index:t,face:null,object:o})}}function jp(e,t,n,i=36){const r=[e[0]-n[0],e[1]-n[1]],a=[t[0]-n[0],t[1]-n[1]];let o=Math.atan2(r[1],r[0]),s=Math.atan2(a[1],a[0]);const l=Math.sqrt(r[0]**2+r[1]**2);let c=s-o;c<0&&(c+=2*Math.PI);let u=new Float32Array(3*(i+1));for(let e=0;e<=i;e++){const t=o+e/i*c;u[3*e]=n[0]+l*Math.cos(t),u[3*e+1]=n[1]+l*Math.sin(t)}return u}function Xp(e){const t=(new lt).setAttribute("position",new Se(new Float32Array(3),3)),n=new Vp(t,(new Ip).copy(im));n.matrixAutoUpdate=!1,n.constraints=new Set;const i=new Vp((new lt).setAttribute("position",new Se(new Float32Array(3),3)),(new Ip).copy(im));i.matrixAutoUpdate=!1,i.constraints=new Set;const r=(new lt).setAttribute("position",new Se(new Float32Array(6),3)),a=new br(r,(new mr).copy(nm));return a.matrixAutoUpdate=!1,a.frustumCulled=!1,a.constraints=new Set,r.attributes.position.set(e),t.attributes.position.set(e),this.subsequent&&(this.constraints.set(++this.c_id,["coincident",-1,[this.sketch.children[this.sketch.children.length-2],n,-1,-1]]),n.constraints.add(this.c_id),this.sketch.children[this.sketch.children.length-2].constraints.add(this.c_id)),[n,i,a]}function qp(e){if(1!==e.buttons)return;this.domElement.removeEventListener("pointerdown",this.drawOnClick1);const t=this.getLocation(e);"line"==this.mode?this.toPush=Xp.call(this,t):"arc"==this.mode&&(this.toPush=function(e){const t=new Vp((new lt).setAttribute("position",new Se(new Float32Array(e),3)),(new Ip).copy(im));t.matrixAutoUpdate=!1,t.constraints=new Set;const n=new Vp((new lt).setAttribute("position",new Se(new Float32Array(3),3)),(new Ip).copy(im));n.matrixAutoUpdate=!1,n.constraints=new Set;const i=new br((new lt).setAttribute("position",new Se(new Float32Array(111),3)),(new mr).copy(nm));return i.frustumCulled=!1,[t,n,new Vp((new lt).setAttribute("position",new Se(new Float32Array(3),3)),(new Ip).copy(im)),i]}(t)),this.updatePoint=this.sketch.children.length,this.sketch.add(...this.toPush),this.linkedObjs.set(this.l_id,[this.mode,this.toPush]);for(let e of this.toPush)e.l_id=this.l_id;this.l_id+=1,this.domElement.addEventListener("pointermove",this.drawPreClick2),this.domElement.addEventListener("pointerdown",this.drawOnClick2)}function Yp(e){const t=this.getLocation(e);"line"==this.mode?function(e,t){const[n,i,r]=t;i.geometry.attributes.position.set(e),i.geometry.attributes.position.needsUpdate=!0,i.geometry.computeBoundingSphere(),r.geometry.attributes.position.set(e,3),r.geometry.attributes.position.needsUpdate=!0}(t,this.toPush):"arc"==this.mode&&function(e,t){const[n,i,r,a]=t;i.geometry.attributes.position.set(e),i.geometry.attributes.position.needsUpdate=!0,i.geometry.computeBoundingSphere();const[o,s]=function(e,t,n=36){const i=t[0]-e[0],r=t[1]-e[1],a=Math.sqrt(i**2+r**2),o=(Math.atan2(r,i)-Math.PI/2)%(2*Math.PI);let s=o-Math.PI/6,l=o+Math.PI/6;s=s<0?s+2*Math.PI:s,l=l<0?l+2*Math.PI:s;const c=Math.tan(Math.PI/3),u=(e[0]+t[0]-r*c)/2,h=(e[1]+t[1]+i*c)/2,d=a,p=Math.PI/3;let f=new Float32Array(3*(n+1));for(let e=0;e<=n;e++){const t=s+e/n*p;f[3*e]=u+d*Math.cos(t),f[3*e+1]=h+d*Math.sin(t)}return[f,[u,h]]}(n.geometry.attributes.position.array,i.geometry.attributes.position.array);a.geometry.attributes.position.set(o),a.geometry.attributes.position.needsUpdate=!0,r.geometry.attributes.position.set(s),r.geometry.attributes.position.needsUpdate=!0,r.geometry.computeBoundingSphere()}(t,this.toPush),this.dispatchEvent({type:"change"})}function Zp(e){1===e.buttons&&(this.domElement.removeEventListener("pointermove",this.drawPreClick2),this.domElement.removeEventListener("pointerdown",this.drawOnClick2),this.updatePointsBuffer(this.updatePoint),this.updateOtherBuffers(),"line"==this.mode?(this.subsequent=!0,this.drawOnClick1(e)):this.mode)}function Jp(){""!=this.mode&&"line"==this.mode&&(this.domElement.removeEventListener("pointerdown",this.drawOnClick1),this.domElement.removeEventListener("pointermove",this.drawPreClick2),this.domElement.removeEventListener("pointerdown",this.drawOnClick2),this.delete(this.sketch.children[this.sketch.children.length-1]),this.dispatchEvent({type:"change"}),this.subsequent=!1)}function Qp(e){if(this.mode||e.buttons)return;this.raycaster.setFromCamera(new E(e.clientX/window.innerWidth*2-1,-e.clientY/window.innerHeight*2+1),this.camera);const t=this.raycaster.intersectObjects(this.sketch.children);let n=[];if(t.length){let e=1/0;for(let i=0;i<t.length;i++)t[i].distanceToRay&&(t[i].distanceToRay<e?(e=t[i].distanceToRay,n=[i]):t[i].distanceToRay==e&&n.push(i));n.length||n.push(0)}if(n.length){if(t[n[0]].object!=this.hovered[0]){for(let e of this.hovered)e&&!this.selected.has(e)&&e.material.color.set(5592405);this.hovered=[];for(let e of n)t[e].object.material.color.set(65280),this.hovered.push(t[e].object);this.dispatchEvent({type:"change"})}}else if(this.hovered.length){for(let e of this.hovered)e&&!this.selected.has(e)&&e.material.color.set(5592405);this.hovered=[],this.dispatchEvent({type:"change"})}}function Kp(e){if(!this.mode&&1==e.buttons)if(this.hovered.length){for(let e of this.hovered)this.selected.add(e);"Points"==this.hovered[0].type&&(this.domElement.addEventListener("pointermove",this.onDrag),this.domElement.addEventListener("pointerup",this.onRelease))}else{for(let e of this.selected)e.material.color.set(5592405);this.dispatchEvent({type:"change"}),this.selected.clear()}}function $p(e){const t=this.getLocation(e);for(let e of this.hovered)this.ptsBuf.set(t,3*this.objIdx.get(e.id));this.solve(),this.dispatchEvent({type:"change"})}function ef(){this.domElement.removeEventListener("pointermove",this.onDrag),this.domElement.removeEventListener("pointerup",this.onRelease);for(let e of this.hovered)e.geometry.computeBoundingSphere()}function tf(){const e=new Set,t=[];for(let n of this.selected){const i=n.geometry.attributes.position.array[0];e.has(i)||(t.push(n),e.add(i))}for(let e=1;e<t.length;e++)this.constraints.set(++this.c_id,["coincident",-1,[t[e-1],t[e],-1,-1]]),t[e].constraints.add(this.c_id),t[e-1].constraints.add(this.c_id)}function nf(){this.type="Curve",this.arcLengthDivisions=200}Vp.prototype=Object.assign(Object.create($e.prototype),{constructor:Vp,isPoints:!0,copy:function(e){return $e.prototype.copy.call(this,e),this.material=e.material,this.geometry=e.geometry,this},raycast:function(e,t){const n=this.geometry,i=this.matrixWorld,r=e.params.Points.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),Hp.copy(n.boundingSphere),Hp.applyMatrix4(i),Hp.radius+=r,!1===e.ray.intersectsSphere(Hp))return;kp.copy(i).invert(),Bp.copy(e.ray).applyMatrix4(kp);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position;if(null!==r){const n=r.array;for(let r=0,s=n.length;r<s;r++){const s=n[r];Gp.fromBufferAttribute(a,s),Wp(Gp,s,o,i,e,t,this)}}else for(let n=0,r=a.count;n<r;n++)Gp.fromBufferAttribute(a,n),Wp(Gp,n,o,i,e,t,this)}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}),Object.assign(nf.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(e,t){const n=this.getUtoTmapping(e);return this.getPoint(n,t)},getPoints:function(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t},getSpacedPoints:function(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t},getLength:function(){const e=this.getLengths();return e[e.length-1]},getLengths:function(e){if(void 0===e&&(e=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let n,i=this.getPoint(0),r=0;t.push(0);for(let a=1;a<=e;a++)n=this.getPoint(a/e),r+=n.distanceTo(i),t.push(r),i=n;return this.cacheArcLengths=t,t},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(e,t){const n=this.getLengths();let i=0;const r=n.length;let a;a=t||e*n[r-1];let o,s=0,l=r-1;for(;s<=l;)if(i=Math.floor(s+(l-s)/2),o=n[i]-a,o<0)s=i+1;else{if(!(o>0)){l=i;break}l=i-1}if(i=l,n[i]===a)return i/(r-1);const c=n[i];return(i+(a-c)/(n[i+1]-c))/(r-1)},getTangent:function(e,t){const n=1e-4;let i=e-n,r=e+n;i<0&&(i=0),r>1&&(r=1);const a=this.getPoint(i),o=this.getPoint(r),s=t||(a.isVector2?new E:new D);return s.copy(o).sub(a).normalize(),s},getTangentAt:function(e,t){const n=this.getUtoTmapping(e);return this.getTangent(n,t)},computeFrenetFrames:function(e,t){const n=new D,i=[],r=[],a=[],o=new D,s=new ae;for(let t=0;t<=e;t++){const n=t/e;i[t]=this.getTangentAt(n,new D),i[t].normalize()}r[0]=new D,a[0]=new D;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),u=Math.abs(i[0].y),h=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),u<=l&&(l=u,n.set(0,1,0)),h<=l&&n.set(0,0,1),o.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],o),a[0].crossVectors(i[0],r[0]);for(let t=1;t<=e;t++){if(r[t]=r[t-1].clone(),a[t]=a[t-1].clone(),o.crossVectors(i[t-1],i[t]),o.length()>Number.EPSILON){o.normalize();const e=Math.acos(w.clamp(i[t-1].dot(i[t]),-1,1));r[t].applyMatrix4(s.makeRotationAxis(o,e))}a[t].crossVectors(i[t],r[t])}if(!0===t){let t=Math.acos(w.clamp(r[0].dot(r[e]),-1,1));t/=e,i[0].dot(o.crossVectors(r[0],r[e]))>0&&(t=-t);for(let n=1;n<=e;n++)r[n].applyMatrix4(s.makeRotationAxis(i[n],t*n)),a[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:a}},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this},toJSON:function(){const e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e},fromJSON:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}});class rf extends nf{constructor(e=0,t=0,n=1,i=1,r=0,a=2*Math.PI,o=!1,s=0){super(),this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=a,this.aClockwise=o,this.aRotation=s}getPoint(e,t){const n=t||new E,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const a=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=a?0:i),!0!==this.aClockwise||a||(r===i?r=-i:r-=i);const o=this.aStartAngle+e*r;let s=this.aX+this.xRadius*Math.cos(o),l=this.aY+this.yRadius*Math.sin(o);if(0!==this.aRotation){const e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),n=s-this.aX,i=l-this.aY;s=n*e-i*t+this.aX,l=n*t+i*e+this.aY}return n.set(s,l)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){const e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}rf.prototype.isEllipseCurve=!0;class af extends rf{constructor(e,t,n,i,r,a){super(e,t,n,n,i,r,a),this.type="ArcCurve"}}function of(){let e=0,t=0,n=0,i=0;function r(r,a,o,s){e=r,t=o,n=-3*r+3*a-2*o-s,i=2*r-2*a+o+s}return{initCatmullRom:function(e,t,n,i,a){r(t,n,a*(n-e),a*(i-t))},initNonuniformCatmullRom:function(e,t,n,i,a,o,s){let l=(t-e)/a-(n-e)/(a+o)+(n-t)/o,c=(n-t)/o-(i-t)/(o+s)+(i-n)/s;l*=o,c*=o,r(t,n,l,c)},calc:function(r){const a=r*r;return e+t*r+n*a+i*(a*r)}}}af.prototype.isArcCurve=!0;const sf=new D,lf=new of,cf=new of,uf=new of;class hf extends nf{constructor(e=[],t=!1,n="centripetal",i=.5){super(),this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=i}getPoint(e,t=new D){const n=t,i=this.points,r=i.length,a=(r-(this.closed?0:1))*e;let o,s,l=Math.floor(a),c=a-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?o=i[(l-1)%r]:(sf.subVectors(i[0],i[1]).add(i[0]),o=sf);const u=i[l%r],h=i[(l+1)%r];if(this.closed||l+2<r?s=i[(l+2)%r]:(sf.subVectors(i[r-1],i[r-2]).add(i[r-1]),s=sf),"centripetal"===this.curveType||"chordal"===this.curveType){const e="chordal"===this.curveType?.5:.25;let t=Math.pow(o.distanceToSquared(u),e),n=Math.pow(u.distanceToSquared(h),e),i=Math.pow(h.distanceToSquared(s),e);n<1e-4&&(n=1),t<1e-4&&(t=n),i<1e-4&&(i=n),lf.initNonuniformCatmullRom(o.x,u.x,h.x,s.x,t,n,i),cf.initNonuniformCatmullRom(o.y,u.y,h.y,s.y,t,n,i),uf.initNonuniformCatmullRom(o.z,u.z,h.z,s.z,t,n,i)}else"catmullrom"===this.curveType&&(lf.initCatmullRom(o.x,u.x,h.x,s.x,this.tension),cf.initCatmullRom(o.y,u.y,h.y,s.y,this.tension),uf.initCatmullRom(o.z,u.z,h.z,s.z,this.tension));return n.set(lf.calc(c),cf.calc(c),uf.calc(c)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new D).fromArray(n))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}}function df(e,t,n,i,r){const a=.5*(i-t),o=.5*(r-n),s=e*e;return(2*n-2*i+a+o)*(e*s)+(-3*n+3*i-2*a-o)*s+a*e+n}function pf(e,t,n,i){return function(e,t){const n=1-e;return n*n*t}(e,t)+function(e,t){return 2*(1-e)*e*t}(e,n)+function(e,t){return e*e*t}(e,i)}function ff(e,t,n,i,r){return function(e,t){const n=1-e;return n*n*n*t}(e,t)+function(e,t){const n=1-e;return 3*n*n*e*t}(e,n)+function(e,t){return 3*(1-e)*e*e*t}(e,i)+function(e,t){return e*e*e*t}(e,r)}hf.prototype.isCatmullRomCurve3=!0;class mf extends nf{constructor(e=new E,t=new E,n=new E,i=new E){super(),this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new E){const n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(ff(e,i.x,r.x,a.x,o.x),ff(e,i.y,r.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}mf.prototype.isCubicBezierCurve=!0;class gf extends nf{constructor(e=new D,t=new D,n=new D,i=new D){super(),this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new D){const n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(ff(e,i.x,r.x,a.x,o.x),ff(e,i.y,r.y,a.y,o.y),ff(e,i.z,r.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}gf.prototype.isCubicBezierCurve3=!0;class vf extends nf{constructor(e=new E,t=new E){super(),this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new E){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){const n=t||new E;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}vf.prototype.isLineCurve=!0;class yf extends nf{constructor(e=new D,t=new D){super(),this.type="LineCurve3",this.isLineCurve3=!0,this.v1=e,this.v2=t}getPoint(e,t=new D){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class xf extends nf{constructor(e=new E,t=new E,n=new E){super(),this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new E){const n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(pf(e,i.x,r.x,a.x),pf(e,i.y,r.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}xf.prototype.isQuadraticBezierCurve=!0;class _f extends nf{constructor(e=new D,t=new D,n=new D){super(),this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new D){const n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(pf(e,i.x,r.x,a.x),pf(e,i.y,r.y,a.y),pf(e,i.z,r.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}_f.prototype.isQuadraticBezierCurve3=!0;class bf extends nf{constructor(e=[]){super(),this.type="SplineCurve",this.points=e}getPoint(e,t=new E){const n=t,i=this.points,r=(i.length-1)*e,a=Math.floor(r),o=r-a,s=i[0===a?a:a-1],l=i[a],c=i[a>i.length-2?i.length-1:a+1],u=i[a>i.length-3?i.length-1:a+2];return n.set(df(o,s.x,l.x,c.x,u.x),df(o,s.y,l.y,c.y,u.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new E).fromArray(n))}return this}}bf.prototype.isSplineCurve=!0;class wf extends nf{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){const e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);e.equals(t)||this.curves.push(new vf(t,e))}getPoint(e){const t=e*this.getLength(),n=this.getCurveLengths();let i=0;for(;i<n.length;){if(n[i]>=t){const e=n[i]-t,r=this.curves[i],a=r.getLength(),o=0===a?0:1-e/a;return r.getPointAt(o)}i++}return null}getLength(){const e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const e=[];let t=0;for(let n=0,i=this.curves.length;n<i;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){const t=[];let n;for(let i=0,r=this.curves;i<r.length;i++){const a=r[i],o=a&&a.isEllipseCurve?2*e:a&&(a.isLineCurve||a.isLineCurve3)?1:a&&a.isSplineCurve?e*a.points.length:e,s=a.getPoints(o);for(let e=0;e<s.length;e++){const i=s[e];n&&n.equals(i)||(t.push(i),n=i)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){const n=e.curves[t];this.curves.push(n.clone())}return this.autoClose=e.autoClose,this}toJSON(){const e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,n=this.curves.length;t<n;t++){const n=this.curves[t];e.curves.push(n.toJSON())}return e}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let n=0,i=t.curves.length;n<i;n++){const i=t.curves[n];this.curves.push((new e[i.type]).fromJSON(i))}return this}}class Mf extends wf{constructor(e){super(),this.type="Path",this.currentPoint=new E,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){const n=new vf(this.currentPoint.clone(),new E(e,t));return this.curves.push(n),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,n,i){const r=new xf(this.currentPoint.clone(),new E(e,t),new E(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(e,t,n,i,r,a){const o=new mf(this.currentPoint.clone(),new E(e,t),new E(n,i),new E(r,a));return this.curves.push(o),this.currentPoint.set(r,a),this}splineThru(e){const t=[this.currentPoint.clone()].concat(e),n=new bf(t);return this.curves.push(n),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,n,i,r,a){const o=this.currentPoint.x,s=this.currentPoint.y;return this.absarc(e+o,t+s,n,i,r,a),this}absarc(e,t,n,i,r,a){return this.absellipse(e,t,n,n,i,r,a),this}ellipse(e,t,n,i,r,a,o,s){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(e+l,t+c,n,i,r,a,o,s),this}absellipse(e,t,n,i,r,a,o,s){const l=new rf(e,t,n,i,r,a,o,s);if(this.curves.length>0){const e=l.getPoint(0);e.equals(this.currentPoint)||this.lineTo(e.x,e.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){const e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}}class Ef extends Mf{constructor(e){super(e),this.uuid=w.generateUUID(),this.type="Shape",this.holes=[]}getPointsHoles(e){const t=[];for(let n=0,i=this.holes.length;n<i;n++)t[n]=this.holes[n].getPoints(e);return t}extractPoints(e){return{shape:this.getPoints(e),holes:this.getPointsHoles(e)}}copy(e){super.copy(e),this.holes=[];for(let t=0,n=e.holes.length;t<n;t++){const n=e.holes[t];this.holes.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.uuid=this.uuid,e.holes=[];for(let t=0,n=this.holes.length;t<n;t++){const n=this.holes[t];e.holes.push(n.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.uuid=e.uuid,this.holes=[];for(let t=0,n=e.holes.length;t<n;t++){const 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tm(){let e=this.constraints,t=this.linkedObjs,n=this.sketch.children,i=new Set,r=[];function a(e){i.add(e);let a,s=t.get(e.l_id);"line"==s[0]?a=s[1][2].geometry.attributes.position.array:"arc"==s[0]&&(a=s[1][3].geometry.attributes.position.array);for(let e=0;e<a.length;e+=3)r.push(new E(a[e],a[e+1]));for(let t=0;t<2;t++){let i=s[1][t];-1!=i&&i!=e&&(i==n[0]&&console.log("pair found"),o(i))}}function o(t){for(let r of t.constraints)if("coincident"==e.get(r)[0])for(let o of e.get(r)[2])-1!=o&&o!=t&&(o==n[1]?console.log("loop found"):i.has(o)||a(o))}a(n[0]);const s=new Ef(r),l=new en(new Kf(s,{depth:8,bevelEnabled:!1}),new em({color:1401481,emissive:468276,side:2,flatShading:!0}));this.add(l)}em.prototype.isMeshPhongMaterial=!0;const nm=new mr({linewidth:2,color:5592405}),im=new Ip({color:5592405,size:4});class rm extends cr{constructor(e,t,n){super(),this.camera=e,this.domElement=t,this.matrixAutoUpdate=!1,this.plane=n,this.sketchNormal=new D(0,0,1),this.orientSketcher(n),this.add(new Op(this.plane,1,16776960)),this.sketch=new cr,this.add(this.sketch),this.raycaster=new zp,this.raycaster.params.Line.threshold=.8,this.raycaster.params.Points.threshold=1.5,this.objIdx=new Map,this.max_pts=1e3,this.ptsBuf=new Float32Array(3*this.max_pts).fill(NaN),this.linkedObjs=new Map,this.l_id=0,this.max_links=1e3,this.linksBuf=new Float32Array(5*this.max_links).fill(NaN),this.linkNum={line:0,arc:1},this.constraints=new Map,this.c_id=0,this.max_constraints=1e3,this.constraintsBuf=new 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this.selected)e=Math.min(e,this.delete(t));this.updatePointsBuffer(),this.updateOtherBuffers(),this.selected.clear(),this.dispatchEvent({type:"change"})}deleteConstraints(e){for(let t of this.constraints.get(e)[2])-1!=t&&t.constraints.delete(e);this.constraints.delete(e)}updateOtherBuffers(){let e=0;for(let[t,n]of this.constraints)this.constraintsBuf.set([this.contraintNum[n[0]],n[1],...n[2].map((e=>this.objIdx.get(e.id)??-1))],6*e),e++;e=0;for(let[t,n]of this.linkedObjs)this.linksBuf.set([this.linkNum[n[0]],...n[1].map((e=>this.objIdx.get(e.id)??-1))],5*e),e++}delete(e){let t=this.linkedObjs.get(e.l_id);if(!t)return 1/0;t=t[1];let n=this.sketch.children.indexOf(t[0]);for(let e=0;e<t.length;e++){const t=this.sketch.children[n+e];t.geometry.dispose(),t.material.dispose();for(let e of t.constraints)this.deleteConstraints(e)}return this.sketch.children.splice(n,t.length),this.linkedObjs.delete(e.l_id),n}updatePointsBuffer(e=0){for(let t=e;t<this.sketch.children.length;t++){const e=this.sketch.children[t];this.objIdx.set(e.id,t),"Points"==e.type&&this.ptsBuf.set(e.geometry.attributes.position.array,3*t)}}getLocation(e){return this.raycaster.setFromCamera(new E(e.clientX/window.innerWidth*2-1,-e.clientY/window.innerHeight*2+1),this.camera),this.raycaster.ray.intersectPlane(this.plane,this.target).applyMatrix4(this.inverse),this.target.toArray()}solve(){const e=Module._malloc(this.ptsBuf.length*this.ptsBuf.BYTES_PER_ELEMENT);Module.HEAPF32.set(this.ptsBuf,e>>2);const t=Module._malloc(this.constraintsBuf.length*this.constraintsBuf.BYTES_PER_ELEMENT);Module.HEAPF32.set(this.constraintsBuf,t>>2);const n=Module._malloc(this.linksBuf.length*this.linksBuf.BYTES_PER_ELEMENT);Module.HEAPF32.set(this.linksBuf,n>>2),Module._solver(this.sketch.children.length,e,this.constraints.size,t,this.linkedObjs.size,n);let i=e>>2;for(let e=0;e<this.sketch.children.length;e+=1){const t=this.sketch.children[e].geometry.attributes.position;isNaN(Module.HEAPF32[i])?(t.array[0]=Module.HEAPF32[i-6],t.array[1]=Module.HEAPF32[i-5],t.array[3]=Module.HEAPF32[i-3],t.array[4]=Module.HEAPF32[i-2]):(t.array[0]=Module.HEAPF32[i],t.array[1]=Module.HEAPF32[i+1]),i+=3,t.needsUpdate=!0}Module._free(e),Module._free(n),Module._free(t);for(let[e,t]of this.linkedObjs){if("line"==t[0])continue;const[e,n,i,r]=t[1],a=jp(e.geometry.attributes.position.array,n.geometry.attributes.position.array,i.geometry.attributes.position.array);r.geometry.attributes.position.set(a),r.needsUpdate=!0}this.dispatchEvent({type:"change"})}}var am=function(){var e=0,t=document.createElement("div");function n(e){return t.appendChild(e.dom),e}function i(n){for(var 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this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,r=t.elements,i=this.elements,a=n[0],o=n[3],s=n[6],l=n[1],c=n[4],u=n[7],h=n[2],d=n[5],f=n[8],p=r[0],m=r[3],g=r[6],v=r[1],y=r[4],_=r[7],x=r[2],b=r[5],w=r[8];return i[0]=a*p+o*v+s*x,i[3]=a*m+o*y+s*b,i[6]=a*g+o*_+s*w,i[1]=l*p+c*v+u*x,i[4]=l*m+c*y+u*b,i[7]=l*g+c*_+u*w,i[2]=h*p+d*v+f*x,i[5]=h*m+d*y+f*b,i[8]=h*g+d*_+f*w,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8];return t*a*c-t*o*l-n*i*c+n*o*s+r*i*l-r*a*s}invert(){const e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],u=c*a-o*l,h=o*s-c*i,d=l*i-a*s,f=t*u+n*h+r*d;if(0===f)return this.set(0,0,0,0,0,0,0,0,0);const p=1/f;return e[0]=u*p,e[1]=(r*l-c*n)*p,e[2]=(o*n-r*a)*p,e[3]=h*p,e[4]=(c*t-r*s)*p,e[5]=(r*i-o*t)*p,e[6]=d*p,e[7]=(n*s-l*t)*p,e[8]=(a*t-n*i)*p,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,r,i,a,o){const s=Math.cos(i),l=Math.sin(i);return this.set(n*s,n*l,-n*(s*a+l*o)+a+e,-r*l,r*s,-r*(-l*a+s*o)+o+t,0,0,1),this}scale(e,t){const n=this.elements;return n[0]*=e,n[3]*=e,n[6]*=e,n[1]*=t,n[4]*=t,n[7]*=t,this}rotate(e){const t=Math.cos(e),n=Math.sin(e),r=this.elements,i=r[0],a=r[3],o=r[6],s=r[1],l=r[4],c=r[7];return r[0]=t*i+n*s,r[3]=t*a+n*l,r[6]=t*o+n*c,r[1]=-n*i+t*s,r[4]=-n*a+t*l,r[7]=-n*o+t*c,this}translate(e,t){const n=this.elements;return n[0]+=e*n[2],n[3]+=e*n[5],n[6]+=e*n[8],n[1]+=t*n[2],n[4]+=t*n[5],n[7]+=t*n[8],this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<9;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return(new this.constructor).fromArray(this.elements)}}let T;S.prototype.isMatrix3=!0;let L=0;class A extends E{constructor(e=A.DEFAULT_IMAGE,t=A.DEFAULT_MAPPING,n=1001,r=1001,i=1006,a=1008,o=1023,s=1009,l=1,c=3e3){super(),Object.defineProperty(this,"id",{value:L++}),this.uuid=w.generateUUID(),this.name="",this.image=e,this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=r,this.magFilter=i,this.minFilter=a,this.anisotropy=l,this.format=o,this.internalFormat=null,this.type=s,this.offset=new M(0,0),this.repeat=new M(1,1),this.center=new M(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new S,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.version=0,this.onUpdate=null}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){const r=this.image;if(void 0===r.uuid&&(r.uuid=w.generateUUID()),!t&&void 0===e.images[r.uuid]){let t;if(Array.isArray(r)){t=[];for(let e=0,n=r.length;e<n;e++)r[e].isDataTexture?t.push(P(r[e].image)):t.push(P(r[e]))}else t=P(r);e.images[r.uuid]={uuid:r.uuid,url:t}}n.image=r.uuid}return t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(300!==this.mapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case r:e.x=e.x-Math.floor(e.x);break;case i:e.x=e.x<0?0:1;break;case a:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case r:e.y=e.y-Math.floor(e.y);break;case i:e.y=e.y<0?0:1;break;case a:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&this.version++}}function P(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?function(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===T&&(T=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),T.width=e.width,T.height=e.height;const n=T.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=T}return t.width>2048||t.height>2048?t.toDataURL("image/jpeg",.6):t.toDataURL("image/png")}(e):e.data?{data:Array.prototype.slice.call(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}A.DEFAULT_IMAGE=void 0,A.DEFAULT_MAPPING=300,A.prototype.isTexture=!0;class R extends A{constructor(e,t,n,r,i,a,s,l,c,u,h,d){super(null,a,s,l,c,u,r,i,h,d),this.image={data:e||null,width:t||1,height:n||1},this.magFilter=void 0!==c?c:o,this.minFilter=void 0!==u?u:o,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}}R.prototype.isDataTexture=!0;class C{constructor(e=0,t=0,n=0,r=1){this._x=e,this._y=t,this._z=n,this._w=r}static slerp(e,t,n,r){return n.copy(e).slerp(t,r)}static slerpFlat(e,t,n,r,i,a,o){let s=n[r+0],l=n[r+1],c=n[r+2],u=n[r+3];const h=i[a+0],d=i[a+1],f=i[a+2],p=i[a+3];if(0===o)return e[t+0]=s,e[t+1]=l,e[t+2]=c,void(e[t+3]=u);if(1===o)return e[t+0]=h,e[t+1]=d,e[t+2]=f,void(e[t+3]=p);if(u!==p||s!==h||l!==d||c!==f){let e=1-o;const t=s*h+l*d+c*f+u*p,n=t>=0?1:-1,r=1-t*t;if(r>Number.EPSILON){const i=Math.sqrt(r),a=Math.atan2(i,t*n);e=Math.sin(e*a)/i,o=Math.sin(o*a)/i}const i=o*n;if(s=s*e+h*i,l=l*e+d*i,c=c*e+f*i,u=u*e+p*i,e===1-o){const e=1/Math.sqrt(s*s+l*l+c*c+u*u);s*=e,l*=e,c*=e,u*=e}}e[t]=s,e[t+1]=l,e[t+2]=c,e[t+3]=u}static multiplyQuaternionsFlat(e,t,n,r,i,a){const o=n[r],s=n[r+1],l=n[r+2],c=n[r+3],u=i[a],h=i[a+1],d=i[a+2],f=i[a+3];return e[t]=o*f+c*u+s*d-l*h,e[t+1]=s*f+c*h+l*u-o*d,e[t+2]=l*f+c*d+o*h-s*u,e[t+3]=c*f-o*u-s*h-l*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,r){return this._x=e,this._y=t,this._z=n,this._w=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!e||!e.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=e._x,r=e._y,i=e._z,a=e._order,o=Math.cos,s=Math.sin,l=o(n/2),c=o(r/2),u=o(i/2),h=s(n/2),d=s(r/2),f=s(i/2);switch(a){case"XYZ":this._x=h*c*u+l*d*f,this._y=l*d*u-h*c*f,this._z=l*c*f+h*d*u,this._w=l*c*u-h*d*f;break;case"YXZ":this._x=h*c*u+l*d*f,this._y=l*d*u-h*c*f,this._z=l*c*f-h*d*u,this._w=l*c*u+h*d*f;break;case"ZXY":this._x=h*c*u-l*d*f,this._y=l*d*u+h*c*f,this._z=l*c*f+h*d*u,this._w=l*c*u-h*d*f;break;case"ZYX":this._x=h*c*u-l*d*f,this._y=l*d*u+h*c*f,this._z=l*c*f-h*d*u,this._w=l*c*u+h*d*f;break;case"YZX":this._x=h*c*u+l*d*f,this._y=l*d*u+h*c*f,this._z=l*c*f-h*d*u,this._w=l*c*u-h*d*f;break;case"XZY":this._x=h*c*u-l*d*f,this._y=l*d*u-h*c*f,this._z=l*c*f+h*d*u,this._w=l*c*u+h*d*f;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,r=Math.sin(n);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],r=t[4],i=t[8],a=t[1],o=t[5],s=t[9],l=t[2],c=t[6],u=t[10],h=n+o+u;if(h>0){const e=.5/Math.sqrt(h+1);this._w=.25/e,this._x=(c-s)*e,this._y=(i-l)*e,this._z=(a-r)*e}else if(n>o&&n>u){const e=2*Math.sqrt(1+n-o-u);this._w=(c-s)/e,this._x=.25*e,this._y=(r+a)/e,this._z=(i+l)/e}else if(o>u){const e=2*Math.sqrt(1+o-n-u);this._w=(i-l)/e,this._x=(r+a)/e,this._y=.25*e,this._z=(s+c)/e}else{const e=2*Math.sqrt(1+u-n-o);this._w=(a-r)/e,this._x=(i+l)/e,this._y=(s+c)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<1e-6?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(w.clamp(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(0===n)return this;const r=Math.min(1,t/n);return this.slerp(e,r),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return void 0!==t?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const n=e._x,r=e._y,i=e._z,a=e._w,o=t._x,s=t._y,l=t._z,c=t._w;return this._x=n*c+a*o+r*l-i*s,this._y=r*c+a*s+i*o-n*l,this._z=i*c+a*l+n*s-r*o,this._w=a*c-n*o-r*s-i*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const n=this._x,r=this._y,i=this._z,a=this._w;let o=a*e._w+n*e._x+r*e._y+i*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=r,this._z=i,this;const s=1-o*o;if(s<=Number.EPSILON){const e=1-t;return this._w=e*a+t*this._w,this._x=e*n+t*this._x,this._y=e*r+t*this._y,this._z=e*i+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(s),c=Math.atan2(l,o),u=Math.sin((1-t)*c)/l,h=Math.sin(t*c)/l;return this._w=a*u+this._w*h,this._x=n*u+this._x*h,this._y=r*u+this._y*h,this._z=i*u+this._z*h,this._onChangeCallback(),this}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}C.prototype.isQuaternion=!0;class N{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return void 0===n&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(O.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(O.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6]*r,this.y=i[1]*t+i[4]*n+i[7]*r,this.z=i[2]*t+i[5]*n+i[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,r=this.z,i=e.elements,a=1/(i[3]*t+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*t+i[4]*n+i[8]*r+i[12])*a,this.y=(i[1]*t+i[5]*n+i[9]*r+i[13])*a,this.z=(i[2]*t+i[6]*n+i[10]*r+i[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,r=this.z,i=e.x,a=e.y,o=e.z,s=e.w,l=s*t+a*r-o*n,c=s*n+o*t-i*r,u=s*r+i*n-a*t,h=-i*t-a*n-o*r;return this.x=l*s+h*-i+c*-o-u*-a,this.y=c*s+h*-a+u*-i-l*-o,this.z=u*s+h*-o+l*-a-c*-i,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[4]*n+i[8]*r,this.y=i[1]*t+i[5]*n+i[9]*r,this.z=i[2]*t+i[6]*n+i[10]*r,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return void 0!==t?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,r=e.y,i=e.z,a=t.x,o=t.y,s=t.z;return this.x=r*s-i*o,this.y=i*a-n*s,this.z=n*o-r*a,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return D.copy(this).projectOnVector(e),this.sub(D)}reflect(e){return this.sub(D.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(w.clamp(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,r=this.z-e.z;return t*t+n*n+r*r}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const r=Math.sin(t)*e;return this.x=r*Math.sin(n),this.y=Math.cos(t)*e,this.z=r*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=r,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}}N.prototype.isVector3=!0;const D=new N,O=new C;class I{constructor(e=new N(1/0,1/0,1/0),t=new N(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.length;s<l;s+=3){const l=e[s],c=e[s+1],u=e[s+2];l<t&&(t=l),c<n&&(n=c),u<r&&(r=u),l>i&&(i=l),c>a&&(a=c),u>o&&(o=u)}return this.min.set(t,n,r),this.max.set(i,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.count;s<l;s++){const l=e.getX(s),c=e.getY(s),u=e.getZ(s);l<t&&(t=l),c<n&&(n=c),u<r&&(r=u),l>i&&(i=l),c>a&&(a=c),u>o&&(o=u)}return this.min.set(t,n,r),this.max.set(i,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=F.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e){return this.makeEmpty(),this.expandByObject(e)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return void 0===e&&(console.warn("THREE.Box3: .getCenter() target is now required"),e=new N),this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return void 0===e&&(console.warn("THREE.Box3: .getSize() target is now required"),e=new N),this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e){e.updateWorldMatrix(!1,!1);const t=e.geometry;void 0!==t&&(null===t.boundingBox&&t.computeBoundingBox(),U.copy(t.boundingBox),U.applyMatrix4(e.matrixWorld),this.union(U));const n=e.children;for(let e=0,t=n.length;e<t;e++)this.expandByObject(n[e]);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return void 0===t&&(console.warn("THREE.Box3: .getParameter() target is now required"),t=new N),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,F),F.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(j),X.subVectors(this.max,j),z.subVectors(e.a,j),B.subVectors(e.b,j),H.subVectors(e.c,j),G.subVectors(B,z),V.subVectors(H,B),W.subVectors(z,H);let t=[0,-G.z,G.y,0,-V.z,V.y,0,-W.z,W.y,G.z,0,-G.x,V.z,0,-V.x,W.z,0,-W.x,-G.y,G.x,0,-V.y,V.x,0,-W.y,W.x,0];return!!Z(t,z,B,H,X)&&(t=[1,0,0,0,1,0,0,0,1],!!Z(t,z,B,H,X)&&(Y.crossVectors(G,V),t=[Y.x,Y.y,Y.z],Z(t,z,B,H,X)))}clampPoint(e,t){return void 0===t&&(console.warn("THREE.Box3: .clampPoint() target is now required"),t=new N),t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return F.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return void 0===e&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(e.center),e.radius=.5*this.getSize(F).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(k[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),k[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),k[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),k[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),k[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),k[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),k[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),k[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(k)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}I.prototype.isBox3=!0;const k=[new N,new N,new N,new N,new N,new N,new N,new N],F=new N,U=new I,z=new N,B=new N,H=new N,G=new N,V=new N,W=new N,j=new N,X=new N,Y=new N,q=new N;function Z(e,t,n,r,i){for(let a=0,o=e.length-3;a<=o;a+=3){q.fromArray(e,a);const o=i.x*Math.abs(q.x)+i.y*Math.abs(q.y)+i.z*Math.abs(q.z),s=t.dot(q),l=n.dot(q),c=r.dot(q);if(Math.max(-Math.max(s,l,c),Math.min(s,l,c))>o)return!1}return!0}const J=new I;class K{constructor(e=new N,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;void 0!==t?n.copy(t):J.setFromPoints(e).getCenter(n);let r=0;for(let t=0,i=e.length;t<i;t++)r=Math.max(r,n.distanceToSquared(e[t]));return this.radius=Math.sqrt(r),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const n=this.center.distanceToSquared(e);return void 0===t&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),t=new N),t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return void 0===e&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),e=new I),this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const Q=new N,$=new N,ee=new S;class te{constructor(e=new N(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,r){return this.normal.set(e,t,n),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const r=Q.subVectors(n,t).cross($.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return void 0===t&&(console.warn("THREE.Plane: .projectPoint() target is now required"),t=new N),t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){void 0===t&&(console.warn("THREE.Plane: .intersectLine() target is now required"),t=new N);const n=e.delta(Q),r=this.normal.dot(n);if(0===r)return 0===this.distanceToPoint(e.start)?t.copy(e.start):void 0;const i=-(e.start.dot(this.normal)+this.constant)/r;return i<0||i>1?void 0:t.copy(n).multiplyScalar(i).add(e.start)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return void 0===e&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),e=new N),e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const n=t||ee.getNormalMatrix(e),r=this.coplanarPoint(Q).applyMatrix4(e),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}te.prototype.isPlane=!0;const ne=new K,re=new N;class ie{constructor(e=new te,t=new te,n=new te,r=new te,i=new te,a=new te){this.planes=[e,t,n,r,i,a]}set(e,t,n,r,i,a){const o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(r),o[4].copy(i),o[5].copy(a),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){const t=this.planes,n=e.elements,r=n[0],i=n[1],a=n[2],o=n[3],s=n[4],l=n[5],c=n[6],u=n[7],h=n[8],d=n[9],f=n[10],p=n[11],m=n[12],g=n[13],v=n[14],y=n[15];return t[0].setComponents(o-r,u-s,p-h,y-m).normalize(),t[1].setComponents(o+r,u+s,p+h,y+m).normalize(),t[2].setComponents(o+i,u+l,p+d,y+g).normalize(),t[3].setComponents(o-i,u-l,p-d,y-g).normalize(),t[4].setComponents(o-a,u-c,p-f,y-v).normalize(),t[5].setComponents(o+a,u+c,p+f,y+v).normalize(),this}intersectsObject(e){const t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),ne.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(ne)}intersectsSprite(e){return ne.center.set(0,0,0),ne.radius=.7071067811865476,ne.applyMatrix4(e.matrixWorld),this.intersectsSphere(ne)}intersectsSphere(e){const t=this.planes,n=e.center,r=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<r)return!1;return!0}intersectsBox(e){const t=this.planes;for(let n=0;n<6;n++){const r=t[n];if(re.x=r.normal.x>0?e.max.x:e.min.x,re.y=r.normal.y>0?e.max.y:e.min.y,re.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(re)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}class ae{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,r,i,a,o,s,l,c,u,h,d,f,p,m){const g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=r,g[1]=i,g[5]=a,g[9]=o,g[13]=s,g[2]=l,g[6]=c,g[10]=u,g[14]=h,g[3]=d,g[7]=f,g[11]=p,g[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ae).fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,n=e.elements,r=1/oe.setFromMatrixColumn(e,0).length(),i=1/oe.setFromMatrixColumn(e,1).length(),a=1/oe.setFromMatrixColumn(e,2).length();return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=0,t[4]=n[4]*i,t[5]=n[5]*i,t[6]=n[6]*i,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const t=this.elements,n=e.x,r=e.y,i=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),l=Math.sin(r),c=Math.cos(i),u=Math.sin(i);if("XYZ"===e.order){const e=a*c,n=a*u,r=o*c,i=o*u;t[0]=s*c,t[4]=-s*u,t[8]=l,t[1]=n+r*l,t[5]=e-i*l,t[9]=-o*s,t[2]=i-e*l,t[6]=r+n*l,t[10]=a*s}else if("YXZ"===e.order){const e=s*c,n=s*u,r=l*c,i=l*u;t[0]=e+i*o,t[4]=r*o-n,t[8]=a*l,t[1]=a*u,t[5]=a*c,t[9]=-o,t[2]=n*o-r,t[6]=i+e*o,t[10]=a*s}else if("ZXY"===e.order){const e=s*c,n=s*u,r=l*c,i=l*u;t[0]=e-i*o,t[4]=-a*u,t[8]=r+n*o,t[1]=n+r*o,t[5]=a*c,t[9]=i-e*o,t[2]=-a*l,t[6]=o,t[10]=a*s}else if("ZYX"===e.order){const e=a*c,n=a*u,r=o*c,i=o*u;t[0]=s*c,t[4]=r*l-n,t[8]=e*l+i,t[1]=s*u,t[5]=i*l+e,t[9]=n*l-r,t[2]=-l,t[6]=o*s,t[10]=a*s}else if("YZX"===e.order){const e=a*s,n=a*l,r=o*s,i=o*l;t[0]=s*c,t[4]=i-e*u,t[8]=r*u+n,t[1]=u,t[5]=a*c,t[9]=-o*c,t[2]=-l*c,t[6]=n*u+r,t[10]=e-i*u}else if("XZY"===e.order){const e=a*s,n=a*l,r=o*s,i=o*l;t[0]=s*c,t[4]=-u,t[8]=l*c,t[1]=e*u+i,t[5]=a*c,t[9]=n*u-r,t[2]=r*u-n,t[6]=o*c,t[10]=i*u+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(le,e,ce)}lookAt(e,t,n){const r=this.elements;return de.subVectors(e,t),0===de.lengthSq()&&(de.z=1),de.normalize(),ue.crossVectors(n,de),0===ue.lengthSq()&&(1===Math.abs(n.z)?de.x+=1e-4:de.z+=1e-4,de.normalize(),ue.crossVectors(n,de)),ue.normalize(),he.crossVectors(de,ue),r[0]=ue.x,r[4]=he.x,r[8]=de.x,r[1]=ue.y,r[5]=he.y,r[9]=de.y,r[2]=ue.z,r[6]=he.z,r[10]=de.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,r=t.elements,i=this.elements,a=n[0],o=n[4],s=n[8],l=n[12],c=n[1],u=n[5],h=n[9],d=n[13],f=n[2],p=n[6],m=n[10],g=n[14],v=n[3],y=n[7],_=n[11],x=n[15],b=r[0],w=r[4],E=r[8],M=r[12],S=r[1],T=r[5],L=r[9],A=r[13],P=r[2],R=r[6],C=r[10],N=r[14],D=r[3],O=r[7],I=r[11],k=r[15];return i[0]=a*b+o*S+s*P+l*D,i[4]=a*w+o*T+s*R+l*O,i[8]=a*E+o*L+s*C+l*I,i[12]=a*M+o*A+s*N+l*k,i[1]=c*b+u*S+h*P+d*D,i[5]=c*w+u*T+h*R+d*O,i[9]=c*E+u*L+h*C+d*I,i[13]=c*M+u*A+h*N+d*k,i[2]=f*b+p*S+m*P+g*D,i[6]=f*w+p*T+m*R+g*O,i[10]=f*E+p*L+m*C+g*I,i[14]=f*M+p*A+m*N+g*k,i[3]=v*b+y*S+_*P+x*D,i[7]=v*w+y*T+_*R+x*O,i[11]=v*E+y*L+_*C+x*I,i[15]=v*M+y*A+_*N+x*k,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[4],r=e[8],i=e[12],a=e[1],o=e[5],s=e[9],l=e[13],c=e[2],u=e[6],h=e[10],d=e[14];return e[3]*(+i*s*u-r*l*u-i*o*h+n*l*h+r*o*d-n*s*d)+e[7]*(+t*s*d-t*l*h+i*a*h-r*a*d+r*l*c-i*s*c)+e[11]*(+t*l*u-t*o*d-i*a*u+n*a*d+i*o*c-n*l*c)+e[15]*(-r*o*c-t*s*u+t*o*h+r*a*u-n*a*h+n*s*c)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],u=e[9],h=e[10],d=e[11],f=e[12],p=e[13],m=e[14],g=e[15],v=u*m*l-p*h*l+p*s*d-o*m*d-u*s*g+o*h*g,y=f*h*l-c*m*l-f*s*d+a*m*d+c*s*g-a*h*g,_=c*p*l-f*u*l+f*o*d-a*p*d-c*o*g+a*u*g,x=f*u*s-c*p*s-f*o*h+a*p*h+c*o*m-a*u*m,b=t*v+n*y+r*_+i*x;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const w=1/b;return e[0]=v*w,e[1]=(p*h*i-u*m*i-p*r*d+n*m*d+u*r*g-n*h*g)*w,e[2]=(o*m*i-p*s*i+p*r*l-n*m*l-o*r*g+n*s*g)*w,e[3]=(u*s*i-o*h*i-u*r*l+n*h*l+o*r*d-n*s*d)*w,e[4]=y*w,e[5]=(c*m*i-f*h*i+f*r*d-t*m*d-c*r*g+t*h*g)*w,e[6]=(f*s*i-a*m*i-f*r*l+t*m*l+a*r*g-t*s*g)*w,e[7]=(a*h*i-c*s*i+c*r*l-t*h*l-a*r*d+t*s*d)*w,e[8]=_*w,e[9]=(f*u*i-c*p*i-f*n*d+t*p*d+c*n*g-t*u*g)*w,e[10]=(a*p*i-f*o*i+f*n*l-t*p*l-a*n*g+t*o*g)*w,e[11]=(c*o*i-a*u*i-c*n*l+t*u*l+a*n*d-t*o*d)*w,e[12]=x*w,e[13]=(c*p*r-f*u*r+f*n*h-t*p*h-c*n*m+t*u*m)*w,e[14]=(f*o*r-a*p*r-f*n*s+t*p*s+a*n*m-t*o*m)*w,e[15]=(a*u*r-c*o*r+c*n*s-t*u*s-a*n*h+t*o*h)*w,this}scale(e){const t=this.elements,n=e.x,r=e.y,i=e.z;return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,r))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const n=Math.cos(t),r=Math.sin(t),i=1-n,a=e.x,o=e.y,s=e.z,l=i*a,c=i*o;return this.set(l*a+n,l*o-r*s,l*s+r*o,0,l*o+r*s,c*o+n,c*s-r*a,0,l*s-r*o,c*s+r*a,i*s*s+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n){return this.set(1,t,n,0,e,1,n,0,e,t,1,0,0,0,0,1),this}compose(e,t,n){const r=this.elements,i=t._x,a=t._y,o=t._z,s=t._w,l=i+i,c=a+a,u=o+o,h=i*l,d=i*c,f=i*u,p=a*c,m=a*u,g=o*u,v=s*l,y=s*c,_=s*u,x=n.x,b=n.y,w=n.z;return r[0]=(1-(p+g))*x,r[1]=(d+_)*x,r[2]=(f-y)*x,r[3]=0,r[4]=(d-_)*b,r[5]=(1-(h+g))*b,r[6]=(m+v)*b,r[7]=0,r[8]=(f+y)*w,r[9]=(m-v)*w,r[10]=(1-(h+p))*w,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,n){const r=this.elements;let i=oe.set(r[0],r[1],r[2]).length();const a=oe.set(r[4],r[5],r[6]).length(),o=oe.set(r[8],r[9],r[10]).length();this.determinant()<0&&(i=-i),e.x=r[12],e.y=r[13],e.z=r[14],se.copy(this);const s=1/i,l=1/a,c=1/o;return se.elements[0]*=s,se.elements[1]*=s,se.elements[2]*=s,se.elements[4]*=l,se.elements[5]*=l,se.elements[6]*=l,se.elements[8]*=c,se.elements[9]*=c,se.elements[10]*=c,t.setFromRotationMatrix(se),n.x=i,n.y=a,n.z=o,this}makePerspective(e,t,n,r,i,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const o=this.elements,s=2*i/(t-e),l=2*i/(n-r),c=(t+e)/(t-e),u=(n+r)/(n-r),h=-(a+i)/(a-i),d=-2*a*i/(a-i);return o[0]=s,o[4]=0,o[8]=c,o[12]=0,o[1]=0,o[5]=l,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=h,o[14]=d,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,r,i,a){const o=this.elements,s=1/(t-e),l=1/(n-r),c=1/(a-i),u=(t+e)*s,h=(n+r)*l,d=(a+i)*c;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*l,o[9]=0,o[13]=-h,o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-d,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}ae.prototype.isMatrix4=!0;const oe=new N,se=new ae,le=new N(0,0,0),ce=new N(1,1,1),ue=new N,he=new N,de=new N;class fe{constructor(e=0,t=0,n=0,r=1){this.x=e,this.y=t,this.z=n,this.w=r}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,r){return this.x=e,this.y=t,this.z=n,this.w=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,n=this.y,r=this.z,i=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*r+a[12]*i,this.y=a[1]*t+a[5]*n+a[9]*r+a[13]*i,this.z=a[2]*t+a[6]*n+a[10]*r+a[14]*i,this.w=a[3]*t+a[7]*n+a[11]*r+a[15]*i,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,r,i;const a=.01,o=.1,s=e.elements,l=s[0],c=s[4],u=s[8],h=s[1],d=s[5],f=s[9],p=s[2],m=s[6],g=s[10];if(Math.abs(c-h)<a&&Math.abs(u-p)<a&&Math.abs(f-m)<a){if(Math.abs(c+h)<o&&Math.abs(u+p)<o&&Math.abs(f+m)<o&&Math.abs(l+d+g-3)<o)return this.set(1,0,0,0),this;t=Math.PI;const e=(l+1)/2,s=(d+1)/2,v=(g+1)/2,y=(c+h)/4,_=(u+p)/4,x=(f+m)/4;return e>s&&e>v?e<a?(n=0,r=.707106781,i=.707106781):(n=Math.sqrt(e),r=y/n,i=_/n):s>v?s<a?(n=.707106781,r=0,i=.707106781):(r=Math.sqrt(s),n=y/r,i=x/r):v<a?(n=.707106781,r=.707106781,i=0):(i=Math.sqrt(v),n=_/i,r=x/i),this.set(n,r,i,t),this}let v=Math.sqrt((m-f)*(m-f)+(u-p)*(u-p)+(h-c)*(h-c));return Math.abs(v)<.001&&(v=1),this.x=(m-f)/v,this.y=(u-p)/v,this.z=(h-c)/v,this.w=Math.acos((l+d+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}fe.prototype.isVector4=!0;const 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ve(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}function ye(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function _e(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}class xe{constructor(e,t,n){return void 0===t&&void 0===n?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,this}setRGB(e,t,n){return this.r=e,this.g=t,this.b=n,this}setHSL(e,t,n){if(e=w.euclideanModulo(e,1),t=w.clamp(t,0,1),n=w.clamp(n,0,1),0===t)this.r=this.g=this.b=n;else{const r=n<=.5?n*(1+t):n+t-n*t,i=2*n-r;this.r=ve(i,r,e+1/3),this.g=ve(i,r,e),this.b=ve(i,r,e-1/3)}return this}setStyle(e){function t(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be 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this.constructor(this.array,this.itemSize).copy(this)},toJSON:function(){return{itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized}}}),Te.prototype=Object.create(Se.prototype),Te.prototype.constructor=Te,Le.prototype=Object.create(Se.prototype),Le.prototype.constructor=Le,Ae.prototype=Object.create(Se.prototype),Ae.prototype.constructor=Ae,Pe.prototype=Object.create(Se.prototype),Pe.prototype.constructor=Pe,Re.prototype=Object.create(Se.prototype),Re.prototype.constructor=Re,Ce.prototype=Object.create(Se.prototype),Ce.prototype.constructor=Ce,Ne.prototype=Object.create(Se.prototype),Ne.prototype.constructor=Ne,De.prototype=Object.create(Se.prototype),De.prototype.constructor=De,De.prototype.isFloat16BufferAttribute=!0,Oe.prototype=Object.create(Se.prototype),Oe.prototype.constructor=Oe,Ie.prototype=Object.create(Se.prototype),Ie.prototype.constructor=Ie;const ke=new ae,Fe=new C;class Ue{constructor(e=0,t=0,n=0,r=Ue.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=r}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,r){return this._x=e,this._y=t,this._z=n,this._order=r||this._order,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t,n){const r=w.clamp,i=e.elements,a=i[0],o=i[4],s=i[8],l=i[1],c=i[5],u=i[9],h=i[2],d=i[6],f=i[10];switch(t=t||this._order){case"XYZ":this._y=Math.asin(r(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-u,f),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-r(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(s,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,a),this._z=0);break;case"ZXY":this._x=Math.asin(r(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,f),this._z=Math.atan2(-o,c)):(this._y=0,this._z=Math.atan2(l,a));break;case"ZYX":this._y=Math.asin(-r(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,a)):(this._x=0,this._z=Math.atan2(-o,c));break;case"YZX":this._z=Math.asin(r(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,a)):(this._x=0,this._y=Math.atan2(s,f));break;case"XZY":this._z=Math.asin(-r(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-u,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!1!==n&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return ke.makeRotationFromQuaternion(e),this.setFromRotationMatrix(ke,t,n)}setFromVector3(e,t){return this.set(e.x,e.y,e.z,t||this._order)}reorder(e){return Fe.setFromEuler(this),this.setFromQuaternion(Fe,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new N(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}Ue.prototype.isEuler=!0,Ue.DefaultOrder="XYZ",Ue.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class ze{constructor(){this.mask=1}set(e){this.mask=1<<e|0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return 0!=(this.mask&e.mask)}}let Be=0;const He=new N,Ge=new C,Ve=new ae,We=new N,je=new N,Xe=new N,Ye=new C,qe=new N(1,0,0),Ze=new N(0,1,0),Je=new N(0,0,1),Ke={type:"added"},Qe={type:"removed"};function $e(){Object.defineProperty(this,"id",{value:Be++}),this.uuid=w.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=$e.DefaultUp.clone();const e=new N,t=new Ue,n=new C,r=new N(1,1,1);t._onChange((function(){n.setFromEuler(t,!1)})),n._onChange((function(){t.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:r},modelViewMatrix:{value:new ae},normalMatrix:{value:new S}}),this.matrix=new ae,this.matrixWorld=new ae,this.matrixAutoUpdate=$e.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new ze,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}function et(e){if(0===e.length)return-1/0;let t=e[0];for(let n=1,r=e.length;n<r;++n)e[n]>t&&(t=e[n]);return t}$e.DefaultUp=new N(0,1,0),$e.DefaultMatrixAutoUpdate=!0,$e.prototype=Object.assign(Object.create(E.prototype),{constructor:$e,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix4:function(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(e){return this.quaternion.premultiply(e),this},setRotationFromAxisAngle:function(e,t){this.quaternion.setFromAxisAngle(e,t)},setRotationFromEuler:function(e){this.quaternion.setFromEuler(e,!0)},setRotationFromMatrix:function(e){this.quaternion.setFromRotationMatrix(e)},setRotationFromQuaternion:function(e){this.quaternion.copy(e)},rotateOnAxis:function(e,t){return Ge.setFromAxisAngle(e,t),this.quaternion.multiply(Ge),this},rotateOnWorldAxis:function(e,t){return Ge.setFromAxisAngle(e,t),this.quaternion.premultiply(Ge),this},rotateX:function(e){return this.rotateOnAxis(qe,e)},rotateY:function(e){return this.rotateOnAxis(Ze,e)},rotateZ:function(e){return this.rotateOnAxis(Je,e)},translateOnAxis:function(e,t){return He.copy(e).applyQuaternion(this.quaternion),this.position.add(He.multiplyScalar(t)),this},translateX:function(e){return this.translateOnAxis(qe,e)},translateY:function(e){return this.translateOnAxis(Ze,e)},translateZ:function(e){return this.translateOnAxis(Je,e)},localToWorld:function(e){return e.applyMatrix4(this.matrixWorld)},worldToLocal:function(e){return e.applyMatrix4(Ve.copy(this.matrixWorld).invert())},lookAt:function(e,t,n){e.isVector3?We.copy(e):We.set(e,t,n);const r=this.parent;this.updateWorldMatrix(!0,!1),je.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Ve.lookAt(je,We,this.up):Ve.lookAt(We,je,this.up),this.quaternion.setFromRotationMatrix(Ve),r&&(Ve.extractRotation(r.matrixWorld),Ge.setFromRotationMatrix(Ve),this.quaternion.premultiply(Ge.invert()))},add:function(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(Ke)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)},remove:function(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Qe)),this},clear:function(){for(let e=0;e<this.children.length;e++){const t=this.children[e];t.parent=null,t.dispatchEvent(Qe)}return this.children.length=0,this},attach:function(e){return this.updateWorldMatrix(!0,!1),Ve.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),Ve.multiply(e.parent.matrixWorld)),e.applyMatrix4(Ve),this.add(e),e.updateWorldMatrix(!1,!0),this},getObjectById:function(e){return this.getObjectByProperty("id",e)},getObjectByName:function(e){return this.getObjectByProperty("name",e)},getObjectByProperty:function(e,t){if(this[e]===t)return this;for(let n=0,r=this.children.length;n<r;n++){const r=this.children[n].getObjectByProperty(e,t);if(void 0!==r)return r}},getWorldPosition:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),e=new N),this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),e=new C),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(je,e,Xe),e},getWorldScale:function(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),e=new N),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(je,Ye,e),e},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),e=new N),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()},raycast:function(){},traverse:function(e){e(this);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverse(e)},traverseVisible:function(e){if(!1===this.visible)return;e(this);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverseVisible(e)},traverseAncestors:function(e){const t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].updateMatrixWorld(e)},updateWorldMatrix:function(e,t){const n=this.parent;if(!0===e&&null!==n&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===t){const e=this.children;for(let t=0,n=e.length;t<n;t++)e[t].updateWorldMatrix(!1,!0)}},toJSON:function(e){const t=void 0===e||"string"==typeof e,n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const r={};function i(t,n){return void 0===t[n.uuid]&&(t[n.uuid]=n.toJSON(e)),n.uuid}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),!0===this.castShadow&&(r.castShadow=!0),!0===this.receiveShadow&&(r.receiveShadow=!0),!1===this.visible&&(r.visible=!1),!1===this.frustumCulled&&(r.frustumCulled=!1),0!==this.renderOrder&&(r.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON()),this.isMesh||this.isLine||this.isPoints){r.geometry=i(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const n=t.shapes;if(Array.isArray(n))for(let t=0,r=n.length;t<r;t++){const r=n[t];i(e.shapes,r)}else i(e.shapes,n)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(i(e.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let n=0,r=this.material.length;n<r;n++)t.push(i(e.materials,this.material[n]));r.material=t}else r.material=i(e.materials,this.material);if(this.children.length>0){r.children=[];for(let t=0;t<this.children.length;t++)r.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){r.animations=[];for(let t=0;t<this.animations.length;t++){const n=this.animations[t];r.animations.push(i(e.animations,n))}}if(t){const t=a(e.geometries),r=a(e.materials),i=a(e.textures),o=a(e.images),s=a(e.shapes),l=a(e.skeletons),c=a(e.animations);t.length>0&&(n.geometries=t),r.length>0&&(n.materials=r),i.length>0&&(n.textures=i),o.length>0&&(n.images=o),s.length>0&&(n.shapes=s),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c)}return n.object=r,n;function a(e){const t=[];for(const n in e){const r=e[n];delete r.metadata,t.push(r)}return t}},clone:function(e){return(new this.constructor).copy(this,e)},copy:function(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){const n=e.children[t];this.add(n.clone())}return this}}),Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array;let tt=0;const nt=new ae,rt=new $e,it=new N,at=new I,ot=new I,st=new N;function lt(){Object.defineProperty(this,"id",{value:tt++}),this.uuid=w.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}lt.prototype=Object.assign(Object.create(E.prototype),{constructor:lt,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(e){return Array.isArray(e)?this.index=new(et(e)>65535?Ne:Re)(e,1):this.index=e,this},getAttribute:function(e){return this.attributes[e]},setAttribute:function(e,t){return this.attributes[e]=t,this},deleteAttribute:function(e){return delete this.attributes[e],this},hasAttribute:function(e){return void 0!==this.attributes[e]},addGroup:function(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})},clearGroups:function(){this.groups=[]},setDrawRange:function(e,t){this.drawRange.start=e,this.drawRange.count=t},applyMatrix4:function(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const t=(new S).getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}const r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(e),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(e){return nt.makeRotationX(e),this.applyMatrix4(nt),this},rotateY:function(e){return nt.makeRotationY(e),this.applyMatrix4(nt),this},rotateZ:function(e){return nt.makeRotationZ(e),this.applyMatrix4(nt),this},translate:function(e,t,n){return nt.makeTranslation(e,t,n),this.applyMatrix4(nt),this},scale:function(e,t,n){return nt.makeScale(e,t,n),this.applyMatrix4(nt),this},lookAt:function(e){return rt.lookAt(e),rt.updateMatrix(),this.applyMatrix4(rt.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(it).negate(),this.translate(it.x,it.y,it.z),this},setFromPoints:function(e){const t=[];for(let n=0,r=e.length;n<r;n++){const r=e[n];t.push(r.x,r.y,r.z||0)}return this.setAttribute("position",new Oe(t,3)),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new I);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new N(-1/0,-1/0,-1/0),new N(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];at.setFromBufferAttribute(n),this.morphTargetsRelative?(st.addVectors(this.boundingBox.min,at.min),this.boundingBox.expandByPoint(st),st.addVectors(this.boundingBox.max,at.max),this.boundingBox.expandByPoint(st)):(this.boundingBox.expandByPoint(at.min),this.boundingBox.expandByPoint(at.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new K);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new N,1/0);if(e){const n=this.boundingSphere.center;if(at.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];ot.setFromBufferAttribute(n),this.morphTargetsRelative?(st.addVectors(at.min,ot.min),at.expandByPoint(st),st.addVectors(at.max,ot.max),at.expandByPoint(st)):(at.expandByPoint(ot.min),at.expandByPoint(ot.max))}at.getCenter(n);let r=0;for(let t=0,i=e.count;t<i;t++)st.fromBufferAttribute(e,t),r=Math.max(r,n.distanceToSquared(st));if(t)for(let i=0,a=t.length;i<a;i++){const a=t[i],o=this.morphTargetsRelative;for(let t=0,i=a.count;t<i;t++)st.fromBufferAttribute(a,t),o&&(it.fromBufferAttribute(e,t),st.add(it)),r=Math.max(r,n.distanceToSquared(st))}this.boundingSphere.radius=Math.sqrt(r),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}},computeFaceNormals:function(){},computeTangents:function(){const e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=e.array,r=t.position.array,i=t.normal.array,a=t.uv.array,o=r.length/3;void 0===t.tangent&&this.setAttribute("tangent",new Se(new Float32Array(4*o),4));const s=t.tangent.array,l=[],c=[];for(let e=0;e<o;e++)l[e]=new N,c[e]=new N;const u=new N,h=new N,d=new N,f=new M,p=new M,m=new M,g=new N,v=new N;function y(e,t,n){u.fromArray(r,3*e),h.fromArray(r,3*t),d.fromArray(r,3*n),f.fromArray(a,2*e),p.fromArray(a,2*t),m.fromArray(a,2*n),h.sub(u),d.sub(u),p.sub(f),m.sub(f);const i=1/(p.x*m.y-m.x*p.y);isFinite(i)&&(g.copy(h).multiplyScalar(m.y).addScaledVector(d,-p.y).multiplyScalar(i),v.copy(d).multiplyScalar(p.x).addScaledVector(h,-m.x).multiplyScalar(i),l[e].add(g),l[t].add(g),l[n].add(g),c[e].add(v),c[t].add(v),c[n].add(v))}let _=this.groups;0===_.length&&(_=[{start:0,count:n.length}]);for(let e=0,t=_.length;e<t;++e){const t=_[e],r=t.start;for(let e=r,i=r+t.count;e<i;e+=3)y(n[e+0],n[e+1],n[e+2])}const x=new N,b=new N,w=new N,E=new N;function S(e){w.fromArray(i,3*e),E.copy(w);const t=l[e];x.copy(t),x.sub(w.multiplyScalar(w.dot(t))).normalize(),b.crossVectors(E,t);const n=b.dot(c[e])<0?-1:1;s[4*e]=x.x,s[4*e+1]=x.y,s[4*e+2]=x.z,s[4*e+3]=n}for(let e=0,t=_.length;e<t;++e){const t=_[e],r=t.start;for(let e=r,i=r+t.count;e<i;e+=3)S(n[e+0]),S(n[e+1]),S(n[e+2])}},computeVertexNormals:function(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let n=this.getAttribute("normal");if(void 0===n)n=new Se(new Float32Array(3*t.count),3),this.setAttribute("normal",n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);const r=new N,i=new N,a=new N,o=new N,s=new N,l=new N,c=new N,u=new N;if(e)for(let h=0,d=e.count;h<d;h+=3){const d=e.getX(h+0),f=e.getX(h+1),p=e.getX(h+2);r.fromBufferAttribute(t,d),i.fromBufferAttribute(t,f),a.fromBufferAttribute(t,p),c.subVectors(a,i),u.subVectors(r,i),c.cross(u),o.fromBufferAttribute(n,d),s.fromBufferAttribute(n,f),l.fromBufferAttribute(n,p),o.add(c),s.add(c),l.add(c),n.setXYZ(d,o.x,o.y,o.z),n.setXYZ(f,s.x,s.y,s.z),n.setXYZ(p,l.x,l.y,l.z)}else for(let e=0,o=t.count;e<o;e+=3)r.fromBufferAttribute(t,e+0),i.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),c.subVectors(a,i),u.subVectors(r,i),c.cross(u),n.setXYZ(e+0,c.x,c.y,c.z),n.setXYZ(e+1,c.x,c.y,c.z),n.setXYZ(e+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}},merge:function(e,t){if(!e||!e.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",e);void 0===t&&(t=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const n=this.attributes;for(const r in n){if(void 0===e.attributes[r])continue;const i=n[r].array,a=e.attributes[r],o=a.array,s=a.itemSize*t,l=Math.min(o.length,i.length-s);for(let e=0,t=s;e<l;e++,t++)i[t]=o[e]}return this},normalizeNormals:function(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)st.fromBufferAttribute(e,t),st.normalize(),e.setXYZ(t,st.x,st.y,st.z)},toNonIndexed:function(){function e(e,t){const n=e.array,r=e.itemSize,i=e.normalized,a=new n.constructor(t.length*r);let o=0,s=0;for(let e=0,i=t.length;e<i;e++){o=t[e]*r;for(let e=0;e<r;e++)a[s++]=n[o++]}return new Se(a,r,i)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new lt,n=this.index.array,r=this.attributes;for(const i in r){const a=e(r[i],n);t.setAttribute(i,a)}const i=this.morphAttributes;for(const r in i){const a=[],o=i[r];for(let t=0,r=o.length;t<r;t++){const r=e(o[t],n);a.push(r)}t.morphAttributes[r]=a}t.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let e=0,n=a.length;e<n;e++){const n=a[e];t.addGroup(n.start,n.count,n.materialIndex)}return t},toJSON:function(){const e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){const t=this.parameters;for(const n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const t in n){const r=n[t],i=r.toJSON(e.data);""!==r.name&&(i.name=r.name),e.data.attributes[t]=i}const r={};let i=!1;for(const t in this.morphAttributes){const n=this.morphAttributes[t],a=[];for(let t=0,r=n.length;t<r;t++){const r=n[t],i=r.toJSON(e.data);""!==r.name&&(i.name=r.name),a.push(i)}a.length>0&&(r[t]=a,i=!0)}i&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return null!==o&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e},clone:function(){return(new lt).copy(this)},copy:function(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const n=e.index;null!==n&&this.setIndex(n.clone(t));const r=e.attributes;for(const e in r){const n=r[e];this.setAttribute(e,n.clone(t))}const i=e.morphAttributes;for(const e in i){const n=[],r=i[e];for(let e=0,i=r.length;e<i;e++)n.push(r[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;const a=e.groups;for(let e=0,t=a.length;e<t;e++){const t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}const o=e.boundingBox;null!==o&&(this.boundingBox=o.clone());const s=e.boundingSphere;return null!==s&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this},dispose:function(){this.dispatchEvent({type:"dispose"})}});class ct extends lt{constructor(e=1,t=1,n=1,r=1,i=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:r,heightSegments:i,depthSegments:a};const o=this;r=Math.floor(r),i=Math.floor(i),a=Math.floor(a);const s=[],l=[],c=[],u=[];let h=0,d=0;function f(e,t,n,r,i,a,f,p,m,g,v){const y=a/m,_=f/g,x=a/2,b=f/2,w=p/2,E=m+1,M=g+1;let S=0,T=0;const L=new N;for(let a=0;a<M;a++){const o=a*_-b;for(let s=0;s<E;s++){const h=s*y-x;L[e]=h*r,L[t]=o*i,L[n]=w,l.push(L.x,L.y,L.z),L[e]=0,L[t]=0,L[n]=p>0?1:-1,c.push(L.x,L.y,L.z),u.push(s/m),u.push(1-a/g),S+=1}}for(let e=0;e<g;e++)for(let t=0;t<m;t++){const n=h+t+E*e,r=h+t+E*(e+1),i=h+(t+1)+E*(e+1),a=h+(t+1)+E*e;s.push(n,r,a),s.push(r,i,a),T+=6}o.addGroup(d,T,v),d+=T,h+=S}f("z","y","x",-1,-1,n,t,e,a,i,0),f("z","y","x",1,-1,n,t,-e,a,i,1),f("x","z","y",1,1,e,n,t,r,a,2),f("x","z","y",1,-1,e,n,-t,r,a,3),f("x","y","z",1,-1,e,t,n,r,i,4),f("x","y","z",-1,-1,e,t,-n,r,i,5),this.setIndex(s),this.setAttribute("position",new Oe(l,3)),this.setAttribute("normal",new Oe(c,3)),this.setAttribute("uv",new Oe(u,2))}}class ut extends lt{constructor(e=1,t=1,n=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:r};const i=e/2,a=t/2,o=Math.floor(n),s=Math.floor(r),l=o+1,c=s+1,u=e/o,h=t/s,d=[],f=[],p=[],m=[];for(let e=0;e<c;e++){const t=e*h-a;for(let n=0;n<l;n++){const r=n*u-i;f.push(r,-t,0),p.push(0,0,1),m.push(n/o),m.push(1-e/s)}}for(let e=0;e<s;e++)for(let t=0;t<o;t++){const n=t+l*e,r=t+l*(e+1),i=t+1+l*(e+1),a=t+1+l*e;d.push(n,r,a),d.push(r,i,a)}this.setIndex(d),this.setAttribute("position",new Oe(f,3)),this.setAttribute("normal",new Oe(p,3)),this.setAttribute("uv",new Oe(m,2))}}let ht=0;function dt(){Object.defineProperty(this,"id",{value:ht++}),this.uuid=w.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=t,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=y,this.stencilZFail=y,this.stencilZPass=y,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}function ft(e){const t={};for(const n in e){t[n]={};for(const r in e[n]){const i=e[n][r];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?t[n][r]=i.clone():Array.isArray(i)?t[n][r]=i.slice():t[n][r]=i}}return t}function pt(e){const t={};for(let n=0;n<e.length;n++){const r=ft(e[n]);for(const e in r)t[e]=r[e]}return t}dt.prototype=Object.assign(Object.create(E.prototype),{constructor:dt,isMaterial:!0,onBeforeCompile:function(){},customProgramCacheKey:function(){return this.onBeforeCompile.toString()},setValues:function(e){if(void 0!==e)for(const t in e){const n=e[t];if(void 0===n){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if("shading"===t){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;continue}const r=this[t];void 0!==r?r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[t]=n:console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.")}},toJSON:function(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function r(e){const t=[];for(const n in e){const r=e[n];delete r.metadata,t.push(r)}return t}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),this.sheen&&this.sheen.isColor&&(n.sheen=this.sheen.getHex()),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,n.reflectivity=this.reflectivity,n.refractionRatio=this.refractionRatio,void 0!==this.combine&&(n.combine=this.combine),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity)),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.size&&(n.size=this.size),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){const t=r(e.textures),i=r(e.images);t.length>0&&(n.textures=t),i.length>0&&(n.images=i)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(null!==t){const e=t.length;n=new Array(e);for(let r=0;r!==e;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(dt.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}});const mt={clone:ft,merge:pt};function gt(e){dt.call(this),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="\nvoid main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}\n",this.fragmentShader="\nvoid main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}\n",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&(void 0!==e.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(e))}gt.prototype=Object.create(dt.prototype),gt.prototype.constructor=gt,gt.prototype.isShaderMaterial=!0,gt.prototype.copy=function(e){return dt.prototype.copy.call(this,e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=ft(e.uniforms),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.lights=e.lights,this.clipping=e.clipping,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this},gt.prototype.toJSON=function(e){const t=dt.prototype.toJSON.call(this,e);t.glslVersion=this.glslVersion,t.uniforms={};for(const n in this.uniforms){const r=this.uniforms[n].value;r&&r.isTexture?t.uniforms[n]={type:"t",value:r.toJSON(e).uuid}:r&&r.isColor?t.uniforms[n]={type:"c",value:r.getHex()}:r&&r.isVector2?t.uniforms[n]={type:"v2",value:r.toArray()}:r&&r.isVector3?t.uniforms[n]={type:"v3",value:r.toArray()}:r&&r.isVector4?t.uniforms[n]={type:"v4",value:r.toArray()}:r&&r.isMatrix3?t.uniforms[n]={type:"m3",value:r.toArray()}:r&&r.isMatrix4?t.uniforms[n]={type:"m4",value:r.toArray()}:t.uniforms[n]={value:r}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;const n={};for(const e in this.extensions)!0===this.extensions[e]&&(n[e]=!0);return Object.keys(n).length>0&&(t.extensions=n),t};const vt=new N,yt=new N,_t=new N,xt=new N,bt=new N,wt=new N,Et=new N;class Mt{constructor(e=new N,t=new N(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return void 0===t&&(console.warn("THREE.Ray: .at() target is now required"),t=new N),t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,vt)),this}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),t=new N),t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=vt.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(vt.copy(this.direction).multiplyScalar(t).add(this.origin),vt.distanceToSquared(e))}distanceSqToSegment(e,t,n,r){yt.copy(e).add(t).multiplyScalar(.5),_t.copy(t).sub(e).normalize(),xt.copy(this.origin).sub(yt);const i=.5*e.distanceTo(t),a=-this.direction.dot(_t),o=xt.dot(this.direction),s=-xt.dot(_t),l=xt.lengthSq(),c=Math.abs(1-a*a);let u,h,d,f;if(c>0)if(u=a*s-o,h=a*o-s,f=i*c,u>=0)if(h>=-f)if(h<=f){const e=1/c;u*=e,h*=e,d=u*(u+a*h+2*o)+h*(a*u+h+2*s)+l}else h=i,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h=-i,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h<=-f?(u=Math.max(0,-(-a*i+o)),h=u>0?-i:Math.min(Math.max(-i,-s),i),d=-u*u+h*(h+2*s)+l):h<=f?(u=0,h=Math.min(Math.max(-i,-s),i),d=h*(h+2*s)+l):(u=Math.max(0,-(a*i+o)),h=u>0?i:Math.min(Math.max(-i,-s),i),d=-u*u+h*(h+2*s)+l);else h=a>0?-i:i,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;return n&&n.copy(this.direction).multiplyScalar(u).add(this.origin),r&&r.copy(_t).multiplyScalar(h).add(yt),d}intersectSphere(e,t){vt.subVectors(e.center,this.origin);const n=vt.dot(this.direction),r=vt.dot(vt)-n*n,i=e.radius*e.radius;if(r>i)return null;const a=Math.sqrt(i-r),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return null===n?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,r,i,a,o,s;const l=1/this.direction.x,c=1/this.direction.y,u=1/this.direction.z,h=this.origin;return l>=0?(n=(e.min.x-h.x)*l,r=(e.max.x-h.x)*l):(n=(e.max.x-h.x)*l,r=(e.min.x-h.x)*l),c>=0?(i=(e.min.y-h.y)*c,a=(e.max.y-h.y)*c):(i=(e.max.y-h.y)*c,a=(e.min.y-h.y)*c),n>a||i>r?null:((i>n||n!=n)&&(n=i),(a<r||r!=r)&&(r=a),u>=0?(o=(e.min.z-h.z)*u,s=(e.max.z-h.z)*u):(o=(e.max.z-h.z)*u,s=(e.min.z-h.z)*u),n>s||o>r?null:((o>n||n!=n)&&(n=o),(s<r||r!=r)&&(r=s),r<0?null:this.at(n>=0?n:r,t)))}intersectsBox(e){return null!==this.intersectBox(e,vt)}intersectTriangle(e,t,n,r,i){bt.subVectors(t,e),wt.subVectors(n,e),Et.crossVectors(bt,wt);let a,o=this.direction.dot(Et);if(o>0){if(r)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}xt.subVectors(this.origin,e);const s=a*this.direction.dot(wt.crossVectors(xt,wt));if(s<0)return null;const l=a*this.direction.dot(bt.cross(xt));if(l<0)return null;if(s+l>o)return null;const c=-a*xt.dot(Et);return c<0?null:this.at(c/o,i)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}const St=new N,Tt=new N,Lt=new N,At=new N,Pt=new N,Rt=new N,Ct=new N,Nt=new N,Dt=new N,Ot=new N;class It{constructor(e=new N,t=new N,n=new N){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,r){void 0===r&&(console.warn("THREE.Triangle: .getNormal() target is now required"),r=new N),r.subVectors(n,t),St.subVectors(e,t),r.cross(St);const i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}static getBarycoord(e,t,n,r,i){St.subVectors(r,t),Tt.subVectors(n,t),Lt.subVectors(e,t);const a=St.dot(St),o=St.dot(Tt),s=St.dot(Lt),l=Tt.dot(Tt),c=Tt.dot(Lt),u=a*l-o*o;if(void 0===i&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),i=new N),0===u)return i.set(-2,-1,-1);const h=1/u,d=(l*s-o*c)*h,f=(a*c-o*s)*h;return i.set(1-d-f,f,d)}static containsPoint(e,t,n,r){return this.getBarycoord(e,t,n,r,At),At.x>=0&&At.y>=0&&At.x+At.y<=1}static getUV(e,t,n,r,i,a,o,s){return this.getBarycoord(e,t,n,r,At),s.set(0,0),s.addScaledVector(i,At.x),s.addScaledVector(a,At.y),s.addScaledVector(o,At.z),s}static isFrontFacing(e,t,n,r){return St.subVectors(n,t),Tt.subVectors(e,t),St.cross(Tt).dot(r)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,r){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[r]),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return St.subVectors(this.c,this.b),Tt.subVectors(this.a,this.b),.5*St.cross(Tt).length()}getMidpoint(e){return void 0===e&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),e=new N),e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return It.getNormal(this.a,this.b,this.c,e)}getPlane(e){return void 0===e&&(console.warn("THREE.Triangle: .getPlane() target is now required"),e=new te),e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return It.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,r,i){return It.getUV(e,this.a,this.b,this.c,t,n,r,i)}containsPoint(e){return It.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return It.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),t=new N);const n=this.a,r=this.b,i=this.c;let a,o;Pt.subVectors(r,n),Rt.subVectors(i,n),Nt.subVectors(e,n);const s=Pt.dot(Nt),l=Rt.dot(Nt);if(s<=0&&l<=0)return t.copy(n);Dt.subVectors(e,r);const c=Pt.dot(Dt),u=Rt.dot(Dt);if(c>=0&&u<=c)return t.copy(r);const h=s*u-c*l;if(h<=0&&s>=0&&c<=0)return a=s/(s-c),t.copy(n).addScaledVector(Pt,a);Ot.subVectors(e,i);const d=Pt.dot(Ot),f=Rt.dot(Ot);if(f>=0&&d<=f)return t.copy(i);const p=d*l-s*f;if(p<=0&&l>=0&&f<=0)return o=l/(l-f),t.copy(n).addScaledVector(Rt,o);const m=c*f-d*u;if(m<=0&&u-c>=0&&d-f>=0)return Ct.subVectors(i,r),o=(u-c)/(u-c+(d-f)),t.copy(r).addScaledVector(Ct,o);const g=1/(m+p+h);return a=p*g,o=h*g,t.copy(n).addScaledVector(Pt,a).addScaledVector(Rt,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}class kt extends dt{constructor(e){super(),this.type="MeshBasicMaterial",this.color=new xe(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this}}kt.prototype.isMeshBasicMaterial=!0;const Ft=new ae,Ut=new Mt,zt=new K,Bt=new N,Ht=new N,Gt=new N,Vt=new N,Wt=new N,jt=new N,Xt=new N,Yt=new N,qt=new N,Zt=new M,Jt=new M,Kt=new M,Qt=new N,$t=new N;function en(e=new lt,t=new kt){$e.call(this),this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}function tn(e,t,n,r,i,a,o,s,l,c,u,h){Bt.fromBufferAttribute(i,c),Ht.fromBufferAttribute(i,u),Gt.fromBufferAttribute(i,h);const d=e.morphTargetInfluences;if(t.morphTargets&&a&&d){Xt.set(0,0,0),Yt.set(0,0,0),qt.set(0,0,0);for(let e=0,t=a.length;e<t;e++){const t=d[e],n=a[e];0!==t&&(Vt.fromBufferAttribute(n,c),Wt.fromBufferAttribute(n,u),jt.fromBufferAttribute(n,h),o?(Xt.addScaledVector(Vt,t),Yt.addScaledVector(Wt,t),qt.addScaledVector(jt,t)):(Xt.addScaledVector(Vt.sub(Bt),t),Yt.addScaledVector(Wt.sub(Ht),t),qt.addScaledVector(jt.sub(Gt),t)))}Bt.add(Xt),Ht.add(Yt),Gt.add(qt)}e.isSkinnedMesh&&t.skinning&&(e.boneTransform(c,Bt),e.boneTransform(u,Ht),e.boneTransform(h,Gt));const f=function(e,t,n,r,i,a,o,s){let l;if(l=1===t.side?r.intersectTriangle(o,a,i,!0,s):r.intersectTriangle(i,a,o,2!==t.side,s),null===l)return null;$t.copy(s),$t.applyMatrix4(e.matrixWorld);const c=n.ray.origin.distanceTo($t);return c<n.near||c>n.far?null:{distance:c,point:$t.clone(),object:e}}(e,t,n,r,Bt,Ht,Gt,Qt);if(f){s&&(Zt.fromBufferAttribute(s,c),Jt.fromBufferAttribute(s,u),Kt.fromBufferAttribute(s,h),f.uv=It.getUV(Qt,Bt,Ht,Gt,Zt,Jt,Kt,new M)),l&&(Zt.fromBufferAttribute(l,c),Jt.fromBufferAttribute(l,u),Kt.fromBufferAttribute(l,h),f.uv2=It.getUV(Qt,Bt,Ht,Gt,Zt,Jt,Kt,new M));const e={a:c,b:u,c:h,normal:new N,materialIndex:0};It.getNormal(Bt,Ht,Gt,e.normal),f.face=e}return f}en.prototype=Object.assign(Object.create($e.prototype),{constructor:en,isMesh:!0,copy:function(e){return $e.prototype.copy.call(this,e),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(e,t){const n=this.geometry,r=this.material,i=this.matrixWorld;if(void 0===r)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),zt.copy(n.boundingSphere),zt.applyMatrix4(i),!1===e.ray.intersectsSphere(zt))return;if(Ft.copy(i).invert(),Ut.copy(e.ray).applyMatrix4(Ft),null!==n.boundingBox&&!1===Ut.intersectsBox(n.boundingBox))return;let a;if(n.isBufferGeometry){const i=n.index,o=n.attributes.position,s=n.morphAttributes.position,l=n.morphTargetsRelative,c=n.attributes.uv,u=n.attributes.uv2,h=n.groups,d=n.drawRange;if(null!==i)if(Array.isArray(r))for(let n=0,f=h.length;n<f;n++){const f=h[n],p=r[f.materialIndex];for(let n=Math.max(f.start,d.start),r=Math.min(f.start+f.count,d.start+d.count);n<r;n+=3){const r=i.getX(n),h=i.getX(n+1),d=i.getX(n+2);a=tn(this,p,e,Ut,o,s,l,c,u,r,h,d),a&&(a.faceIndex=Math.floor(n/3),a.face.materialIndex=f.materialIndex,t.push(a))}}else for(let n=Math.max(0,d.start),h=Math.min(i.count,d.start+d.count);n<h;n+=3){const h=i.getX(n),d=i.getX(n+1),f=i.getX(n+2);a=tn(this,r,e,Ut,o,s,l,c,u,h,d,f),a&&(a.faceIndex=Math.floor(n/3),t.push(a))}else if(void 0!==o)if(Array.isArray(r))for(let n=0,i=h.length;n<i;n++){const i=h[n],f=r[i.materialIndex];for(let n=Math.max(i.start,d.start),r=Math.min(i.start+i.count,d.start+d.count);n<r;n+=3)a=tn(this,f,e,Ut,o,s,l,c,u,n,n+1,n+2),a&&(a.faceIndex=Math.floor(n/3),a.face.materialIndex=i.materialIndex,t.push(a))}else for(let n=Math.max(0,d.start),i=Math.min(o.count,d.start+d.count);n<i;n+=3)a=tn(this,r,e,Ut,o,s,l,c,u,n,n+1,n+2),a&&(a.faceIndex=Math.floor(n/3),t.push(a))}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}});const nn={alphamap_fragment:"\n#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n\n#endif\n",alphamap_pars_fragment:"\n#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",alphatest_fragment:"\n#ifdef ALPHATEST\n\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n\n#endif\n",aomap_fragment:"\n#ifdef USE_AOMAP\n\n\t// reads channel R, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\n\t#endif\n\n#endif\n",aomap_pars_fragment:"\n#ifdef USE_AOMAP\n\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n\n#endif\n",begin_vertex:"\nvec3 transformed = vec3( position );\n",beginnormal_vertex:"\nvec3 objectNormal = vec3( normal );\n\n#ifdef USE_TANGENT\n\n\tvec3 objectTangent = vec3( tangent.xyz );\n\n#endif\n",bsdfs:'\n\n// Analytical approximation of the DFG LUT, one half of the\n// split-sum approximation used in indirect specular lighting.\n// via \'environmentBRDF\' from "Physically Based Shading on Mobile"\n// https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\n\tvec4 r = roughness * c0 + c1;\n\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n\n}\n\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\n\t// based upon Frostbite 3 Moving to Physically-based Rendering\n\t// page 32, equation 26: E[window1]\n\t// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\n\t// this is intended to be used on spot and point lights who are represented as luminous intensity\n\t// but who must be converted to luminous irradiance for surface lighting calculation\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\n\tif( cutoffDistance > 0.0 ) {\n\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\n\t}\n\n\treturn distanceFalloff;\n\n#else\n\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\n\t}\n\n\treturn 1.0;\n\n#endif\n\n}\n\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\n\treturn RECIPROCAL_PI * diffuseColor;\n\n} // validated\n\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\n\t// Original approximation by Christophe Schlick \'94\n\t// float fresnel = pow( 1.0 - dotLH, 5.0 );\n\n\t// Optimized variant (presented by Epic at SIGGRAPH \'13)\n\t// https://cdn2.unrealengine.com/Resources/files/2013SiggraphPresentationsNotes-26915738.pdf\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n\n} // validated\n\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\n\t// See F_Schlick\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\n\treturn Fr * fresnel + F0;\n\n}\n\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (34)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\t// geometry term (normalized) = G(l)⋅G(v) / 4(n⋅l)(n⋅v)\n\t// also see #12151\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\n\treturn 1.0 / ( gl * gv );\n\n} // validated\n\n// Moving Frostbite to Physically Based Rendering 3.0 - page 12, listing 2\n// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\tfloat a2 = pow2( alpha );\n\n\t// dotNL and dotNV are explicitly swapped. This is not a mistake.\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\n\treturn 0.5 / max( gv + gl, EPSILON );\n\n}\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (33)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; // avoid alpha = 0 with dotNH = 1\n\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n\n}\n\n// GGX Distribution, Schlick Fresnel, GGX-Smith Visibility\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat alpha = pow2( roughness ); // UE4\'s roughness\n\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\n\tfloat D = D_GGX( alpha, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// Rect Area Light\n\n// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines\n// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt\n// code: https://github.com/selfshadow/ltc_code/\n\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\n\tfloat dotNV = saturate( dot( N, V ) );\n\n\t// texture parameterized by sqrt( GGX alpha ) and sqrt( 1 - cos( theta ) )\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\treturn uv;\n\n}\n\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\n\t// Real-Time Area Lighting: a Journey from Research to Production (p.102)\n\t// An approximation of the form factor of a horizon-clipped rectangle.\n\n\tfloat l = length( f );\n\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n\n}\n\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\n\tfloat x = dot( v1, v2 );\n\n\tfloat y = abs( x );\n\n\t// rational polynomial approximation to theta / sin( theta ) / 2PI\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\n\treturn cross( v1, v2 ) * theta_sintheta;\n\n}\n\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\n\t// bail if point is on back side of plane of light\n\t// assumes ccw winding order of light vertices\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\n\t// construct orthonormal basis around N\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 ); // negated from paper; possibly due to a different handedness of world coordinate system\n\n\t// compute transform\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\n\t// transform rect\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\n\t// project rect onto sphere\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\n\t// calculate vector form factor\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\n\t// adjust for horizon clipping\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\n/*\n\t// alternate method of adjusting for horizon clipping (see referece)\n\t// refactoring required\n\tfloat len = length( vectorFormFactor );\n\tfloat z = vectorFormFactor.z / len;\n\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\n\t// tabulated horizon-clipped sphere, apparently...\n\tvec2 uv = vec2( z * 0.5 + 0.5, len );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\tfloat scale = texture2D( ltc_2, uv ).w;\n\n\tfloat result = len * scale;\n*/\n\n\treturn vec3( result );\n\n}\n\n// End Rect Area Light\n\n// ref: https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\n\treturn specularColor * brdf.x + brdf.y;\n\n} // validated\n\n// Fdez-Agüera\'s "Multiple-Scattering Microfacet Model for Real-Time Image Based Lighting"\n// Approximates multiscattering in order to preserve energy.\n// http://www.jcgt.org/published/0008/01/03/\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; // 1/21\n\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n\n}\n\nfloat G_BlinnPhong_Implicit( /* const in float dotNL, const in float dotNV */ ) {\n\n\t// geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\n\treturn 0.25;\n\n}\n\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n\n}\n\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\n\t//float dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\t//float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_BlinnPhong_Implicit( /* dotNL, dotNV */ );\n\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// source: http://simonstechblog.blogspot.ca/2011/12/microfacet-brdf.html\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\n\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n\n#if defined( USE_SHEEN )\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L94\nfloat D_Charlie(float roughness, float NoH) {\n\t// Estevez and Kulla 2017, "Production Friendly Microfacet Sheen BRDF"\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125); // 2^(-14/2), so sin2h^2 > 0 in fp16\n\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L136\nfloat V_Neubelt(float NoV, float NoL) {\n\t// Neubelt and Pettineo 2013, "Crafting a Next-gen Material Pipeline for The Order: 1886"\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\n\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n\n}\n\n#endif\n',bumpmap_pars_fragment:"\n#ifdef USE_BUMPMAP\n\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\n\t// Bump Mapping Unparametrized Surfaces on the GPU by Morten S. Mikkelsen\n\t// http://api.unrealengine.com/attachments/Engine/Rendering/LightingAndShadows/BumpMappingWithoutTangentSpace/mm_sfgrad_bump.pdf\n\n\t// Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2)\n\n\tvec2 dHdxy_fwd() {\n\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\n\t\treturn vec2( dBx, dBy );\n\n\t}\n\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\t\t// normalized\n\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\n\t}\n\n#endif\n",clipping_planes_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvec4 plane;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\n\t\tbool clipped = true;\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t\tif ( clipped ) discard;\n\n\t#endif\n\n#endif\n",clipping_planes_pars_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n\n#endif\n",clipping_planes_pars_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n#endif\n",clipping_planes_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvClipPosition = - mvPosition.xyz;\n\n#endif\n",color_fragment:"\n#ifdef USE_COLOR\n\n\tdiffuseColor.rgb *= vColor;\n\n#endif\n",color_pars_fragment:"\n#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",color_pars_vertex:"\n#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\n\tvarying vec3 vColor;\n\n#endif\n",color_vertex:"\n#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\n\tvColor = vec3( 1.0 );\n\n#endif\n\n#ifdef USE_COLOR\n\n\tvColor.xyz *= color.xyz;\n\n#endif\n\n#ifdef USE_INSTANCING_COLOR\n\n\tvColor.xyz *= instanceColor.xyz;\n\n#endif\n",common:"\n#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n\n#ifndef saturate\n// <tonemapping_pars_fragment> may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\n\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\n// expects values in the range of [0,1]x[0,1], returns values in the [0,1] range.\n// do not collapse into a single function per: http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\n\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\n\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\n\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n}\n\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t// dir can be either a direction vector or a normal vector\n\t// upper-left 3x3 of matrix is assumed to be orthogonal\n\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n\n}\n\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\n\treturn - distance * planeNormal + point;\n\n}\n\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n\n}\n\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n\n}\n\nmat3 transposeMat3( const in mat3 m ) {\n\n\tmat3 tmp;\n\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\n\treturn tmp;\n\n}\n\n// https://en.wikipedia.org/wiki/Relative_luminance\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\n\treturn dot( weights, color.rgb );\n\n}\n\nbool isPerspectiveMatrix( mat4 m ) {\n\n\treturn m[ 2 ][ 3 ] == - 1.0;\n\n}\n\nvec2 equirectUv( in vec3 dir ) {\n\n\t// dir is assumed to be unit length\n\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\n\treturn vec2( u, v );\n\n}\n",cube_uv_reflection_fragment:"\n#ifdef ENVMAP_TYPE_CUBE_UV\n\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\n\t// These shader functions convert between the UV coordinates of a single face of\n\t// a cubemap, the 0-5 integer index of a cube face, and the direction vector for\n\t// sampling a textureCube (not generally normalized ).\n\n\tfloat getFace( vec3 direction ) {\n\n\t\tvec3 absDirection = abs( direction );\n\n\t\tfloat face = - 1.0;\n\n\t\tif ( absDirection.x > absDirection.z ) {\n\n\t\t\tif ( absDirection.x > absDirection.y )\n\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\n\t\t\telse\n\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\n\t\t} else {\n\n\t\t\tif ( absDirection.z > absDirection.y )\n\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\n\t\t\telse\n\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\n\t\t}\n\n\t\treturn face;\n\n\t}\n\n\t// RH coordinate system; PMREM face-indexing convention\n\tvec2 getUV( vec3 direction, float face ) {\n\n\t\tvec2 uv;\n\n\t\tif ( face == 0.0 ) {\n\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x ); // pos x\n\n\t\t} else if ( face == 1.0 ) {\n\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y ); // pos y\n\n\t\t} else if ( face == 2.0 ) {\n\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z ); // pos z\n\n\t\t} else if ( face == 3.0 ) {\n\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x ); // neg x\n\n\t\t} else if ( face == 4.0 ) {\n\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y ); // neg y\n\n\t\t} else {\n\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z ); // neg z\n\n\t\t}\n\n\t\treturn 0.5 * ( uv + 1.0 );\n\n\t}\n\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\n\t\tfloat face = getFace( direction );\n\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\n\t\tfloat faceSize = exp2( mipInt );\n\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\n\t\tvec2 f = fract( uv );\n\n\t\tuv += 0.5 - f;\n\n\t\tif ( face > 2.0 ) {\n\n\t\t\tuv.y += faceSize;\n\n\t\t\tface -= 3.0;\n\n\t\t}\n\n\t\tuv.x += face * faceSize;\n\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\n\t\t}\n\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\n\t\tuv *= texelSize;\n\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.x += texelSize;\n\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.y += texelSize;\n\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.x -= texelSize;\n\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tvec3 tm = mix( tl, tr, f.x );\n\n\t\tvec3 bm = mix( bl, br, f.x );\n\n\t\treturn mix( tm, bm, f.y );\n\n\t}\n\n\t// These defines must match with PMREMGenerator\n\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\n\tfloat roughnessToMip( float roughness ) {\n\n\t\tfloat mip = 0.0;\n\n\t\tif ( roughness >= r1 ) {\n\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\n\t\t} else if ( roughness >= r4 ) {\n\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\n\t\t} else if ( roughness >= r5 ) {\n\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\n\t\t} else if ( roughness >= r6 ) {\n\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\n\t\t} else {\n\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness ); // 1.16 = 1.79^0.25\n\t\t}\n\n\t\treturn mip;\n\n\t}\n\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\n\t\tfloat mipF = fract( mip );\n\n\t\tfloat mipInt = floor( mip );\n\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\n\t\tif ( mipF == 0.0 ) {\n\n\t\t\treturn vec4( color0, 1.0 );\n\n\t\t} else {\n\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\n\t\t}\n\n\t}\n\n#endif\n",defaultnormal_vertex:"\nvec3 transformedNormal = objectNormal;\n\n#ifdef USE_INSTANCING\n\n\t// this is in lieu of a per-instance normal-matrix\n\t// shear transforms in the instance matrix are not supported\n\n\tmat3 m = mat3( instanceMatrix );\n\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\n\ttransformedNormal = m * transformedNormal;\n\n#endif\n\ntransformedNormal = normalMatrix * transformedNormal;\n\n#ifdef FLIP_SIDED\n\n\ttransformedNormal = - transformedNormal;\n\n#endif\n\n#ifdef USE_TANGENT\n\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#ifdef FLIP_SIDED\n\n\t\ttransformedTangent = - transformedTangent;\n\n\t#endif\n\n#endif\n",displacementmap_pars_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n\n#endif\n",displacementmap_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n\n#endif\n",emissivemap_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n\n#endif\n",emissivemap_pars_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tuniform sampler2D emissiveMap;\n\n#endif\n",encodings_fragment:"\ngl_FragColor = linearToOutputTexel( gl_FragColor );\n",encodings_pars_fragment:"\n// For a discussion of what this is, please read this: http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/\n\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\n\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\n\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\n\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\n\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\n\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\n\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n\t// return vec4( value.brg, ( 3.0 + 128.0 ) / 256.0 );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\n\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\n\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\t// NOTE: The implementation with min causes the shader to not compile on\n\t// a common Alcatel A502DL in Chrome 78/Android 8.1. Some research suggests \n\t// that the chipset is Mediatek MT6739 w/ IMG PowerVR GE8100 GPU.\n\t// D = min( floor( D ) / 255.0, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\n\n// LogLuv reference: http://graphicrants.blogspot.ca/2009/04/rgbm-color-encoding.html\n\n// M matrix, for encoding\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\n\n// Inverse M matrix, for decoding\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}\n",envmap_fragment:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvec3 cameraToFrag;\n\n\t\tif ( isOrthographic ) {\n\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\n\t\t}\n\n\t\t// Transforming Normal Vectors with the Inverse Transformation\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#else\n\n\t\tvec3 reflectVec = vReflect;\n\n\t#endif\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\n\t#else\n\n\t\tvec4 envColor = vec4( 0.0 );\n\n\t#endif\n\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\n\t\tenvColor = envMapTexelToLinear( envColor );\n\n\t#endif\n\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\n\t#endif\n\n#endif\n",envmap_common_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif\n",envmap_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float reflectivity;\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n\n#endif\n",envmap_pars_vertex:"\n#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\n\t#else\n\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\n\t#endif\n\n#endif\n",envmap_physical_pars_fragment:"\n#if defined( USE_ENVMAP )\n\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\n\tvec3 getLightProbeIndirectIrradiance( /*const in SpecularLightProbe specularLightProbe,*/ const in GeometricContext geometry, const in int maxMIPLevel ) {\n\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\n\t\t\t// TODO: replace with properly filtered cubemaps and access the irradiance LOD level, be it the last LOD level\n\t\t\t// of a specular cubemap, or just the default level of a specially created irradiance cubemap.\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#else\n\n\t\t\t\t// force the bias high to get the last LOD level as it is the most blurred.\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\n\t\t#else\n\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\n\t\t#endif\n\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\n\t}\n\n\t// Trowbridge-Reitz distribution to Mip level, following the logic of http://casual-effects.blogspot.ca/2011/08/plausible-environment-lighting-in-two.html\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\n\t\t// clamp to allowable LOD ranges.\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\n\t}\n\n\tvec3 getLightProbeIndirectRadiance( /*const in SpecularLightProbe specularLightProbe,*/ const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\n\t\t\t// Mixing the reflection with the normal is more accurate and keeps rough objects from gathering light from behind their tangent plane.\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\n\t\t#endif\n\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\n\t\t#endif\n\n\t\treturn envMapColor.rgb * envMapIntensity;\n\n\t}\n\n#endif\n",envmap_vertex:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvWorldPosition = worldPosition.xyz;\n\n\t#else\n\n\t\tvec3 cameraToVertex;\n\n\t\tif ( isOrthographic ) {\n\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\n\t\t}\n\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\n\t\t#else\n\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n",fog_vertex:"\n#ifdef USE_FOG\n\n\tfogDepth = - mvPosition.z;\n\n#endif\n",fog_pars_vertex:"\n#ifdef USE_FOG\n\n\tvarying float fogDepth;\n\n#endif\n",fog_fragment:"\n#ifdef USE_FOG\n\n\t#ifdef FOG_EXP2\n\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\n\t#else\n\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\n\t#endif\n\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\n#endif\n",fog_pars_fragment:"\n#ifdef USE_FOG\n\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\n\t#ifdef FOG_EXP2\n\n\t\tuniform float fogDensity;\n\n\t#else\n\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\n\t#endif\n\n#endif\n",gradientmap_pars_fragment:"\n\n#ifdef USE_GRADIENTMAP\n\n\tuniform sampler2D gradientMap;\n\n#endif\n\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\n\t// dotNL will be from -1.0 to 1.0\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\n\t#ifdef USE_GRADIENTMAP\n\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\n\t#else\n\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\n\t#endif\n\n}\n",lightmap_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; // factor of PI should not be present; included here to prevent breakage\n\n#endif\n",lightmap_pars_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n\n#endif\n",lights_lambert_vertex:"\nvec3 diffuse = vec3( 1.0 );\n\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\n\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\n\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\n\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\n\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n\n#ifdef DOUBLE_SIDED\n\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n\n#endif\n\n#if NUM_POINT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_SPOT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n/*\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\t// TODO (abelnation): implement\n\n\t}\n\n#endif\n*/\n\n#if NUM_DIR_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_HEMI_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n",lights_pars_begin:"\nuniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\n\n// get the irradiance (radiance convolved with cosine lobe) at the point 'normal' on the unit sphere\n// source: https://graphics.stanford.edu/papers/envmap/envmap.pdf\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\n\t// normal is assumed to have unit length\n\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\n\t// band 0\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\n\t// band 1\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\n\t// band 2\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\n\treturn result;\n\n}\n\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\n\treturn irradiance;\n\n}\n\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\n\tvec3 irradiance = ambientLightColor;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI;\n\n\t#endif\n\n\treturn irradiance;\n\n}\n\n#if NUM_DIR_LIGHTS > 0\n\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\n\t}\n\n#endif\n\n\n#if NUM_POINT_LIGHTS > 0\n\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\n\t}\n\n#endif\n\n\n#if NUM_SPOT_LIGHTS > 0\n\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\n\t\tif ( angleCos > spotLight.coneCos ) {\n\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\n\t\t} else {\n\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\n\t\t}\n\t}\n\n#endif\n\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\n\t// Pre-computed values of LinearTransformedCosine approximation of BRDF\n\t// BRDF approximation Texture is 64x64\n\tuniform sampler2D ltc_1; // RGBA Float\n\tuniform sampler2D ltc_2; // RGBA Float\n\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n\n#endif\n\n\n#if NUM_HEMI_LIGHTS > 0\n\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tirradiance *= PI;\n\n\t\t#endif\n\n\t\treturn irradiance;\n\n\t}\n\n#endif\n",lights_toon_fragment:"\nToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\n",lights_toon_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct ToonMaterial {\n\n\tvec3 diffuseColor;\n\n};\n\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_phong_fragment:"\nBlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",lights_phong_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct BlinnPhongMaterial {\n\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n\n};\n\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n\n}\n\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_physical_fragment:"\nPhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\n\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\n\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );// 0.0525 corresponds to the base mip of a 256 cubemap.\nmaterial.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n\n#ifdef REFLECTIVITY\n\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\n#else\n\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n\n#endif\n\n#ifdef CLEARCOAT\n\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\n\t#ifdef USE_CLEARCOATMAP\n\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\n\t#endif\n\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\n\t#endif\n\n\tmaterial.clearcoat = saturate( material.clearcoat ); // Burley clearcoat model\n\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n\n#endif\n\n#ifdef USE_SHEEN\n\n\tmaterial.sheenColor = sheen;\n\n#endif\n",lights_physical_pars_fragment:"\nstruct PhysicalMaterial {\n\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n\n};\n\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\n\n// Clear coat directional hemishperical reflectance (this approximation should be improved)\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n\n}\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight; // counterclockwise; light shines in local neg z direction\n\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\n\t\t// LTC Fresnel Approximation by Stephen Hill\n\t\t// http://blog.selfshadow.com/publications/s2016-advances/s2016_ltc_fresnel.pdf\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\n\t}\n\n#endif\n\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tccIrradiance *= PI; // punctual light\n\n\t\t#endif\n\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\n\t// Both indirect specular and indirect diffuse light accumulate here\n\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n\n// ref: https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n\n}\n",lights_fragment_begin:"\n/**\n * This is a template that can be used to light a material, it uses pluggable\n * RenderEquations (RE)for specific lighting scenarios.\n *\n * Instructions for use:\n * - Ensure that both RE_Direct, RE_IndirectDiffuse and RE_IndirectSpecular are defined\n * - If you have defined an RE_IndirectSpecular, you need to also provide a Material_LightProbeLOD. <---- ???\n * - Create a material parameter that is to be passed as the third parameter to your lighting functions.\n *\n * TODO:\n * - Add area light support.\n * - Add sphere light support.\n * - Add diffuse light probe (irradiance cubemap) support.\n */\n\nGeometricContext geometry;\n\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n\n#ifdef CLEARCOAT\n\n\tgeometry.clearcoatNormal = clearcoatNormal;\n\n#endif\n\nIncidentLight directLight;\n\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tpointLight = pointLights[ i ];\n\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tspotLight = spotLights[ i ];\n\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tdirectionalLight = directionalLights[ i ];\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\tRectAreaLight rectAreaLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if defined( RE_IndirectDiffuse )\n\n\tvec3 iblIrradiance = vec3( 0.0 );\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t#endif\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n\n#endif\n",lights_fragment_maps:"\n#if defined( RE_IndirectDiffuse )\n\n\t#ifdef USE_LIGHTMAP\n\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tlightMapIrradiance *= PI; // factor of PI should not be present; included here to prevent breakage\n\n\t\t#endif\n\n\t\tirradiance += lightMapIrradiance;\n\n\t#endif\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( /*lightProbe,*/ geometry, maxMipLevel );\n\n\t#endif\n\n#endif\n\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\n\tradiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\n\t#ifdef CLEARCOAT\n\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\n\t#endif\n\n#endif\n",lights_fragment_end:"\n#if defined( RE_IndirectDiffuse )\n\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n\n#endif\n",logdepthbuf_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\t// Doing a strict comparison with == 1.0 can cause noise artifacts\n\t// on some platforms. See issue #17623.\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n\n#endif\n",logdepthbuf_pars_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n\n#endif\n",logdepthbuf_pars_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\n\t#else\n\n\t\tuniform float logDepthBufFC;\n\n\t#endif\n\n#endif\n",logdepthbuf_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\n\t#else\n\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\n\t\t\tgl_Position.z *= gl_Position.w;\n\n\t\t}\n\n\t#endif\n\n#endif\n",map_fragment:"\n#ifdef USE_MAP\n\n\tvec4 texelColor = texture2D( map, vUv );\n\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n\n#endif\n",map_pars_fragment:"\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n",map_particle_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\n#endif\n\n#ifdef USE_MAP\n\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n\n#endif\n",map_particle_pars_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tuniform mat3 uvTransform;\n\n#endif\n\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",metalnessmap_fragment:"\nfloat metalnessFactor = metalness;\n\n#ifdef USE_METALNESSMAP\n\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\n\t// reads channel B, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tmetalnessFactor *= texelMetalness.b;\n\n#endif\n",metalnessmap_pars_fragment:"\n#ifdef USE_METALNESSMAP\n\n\tuniform sampler2D metalnessMap;\n\n#endif\n",morphnormal_vertex:"\n#ifdef USE_MORPHNORMALS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in normal = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\n#endif\n",morphtarget_pars_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\tuniform float morphTargetBaseInfluence;\n\n\t#ifndef USE_MORPHNORMALS\n\n\t\tuniform float morphTargetInfluences[ 8 ];\n\n\t#else\n\n\t\tuniform float morphTargetInfluences[ 4 ];\n\n\t#endif\n\n#endif\n",morphtarget_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in position = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\n\t#ifndef USE_MORPHNORMALS\n\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\n\t#endif\n\n#endif\n",normal_fragment_begin:"\nfloat faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n\n#ifdef FLAT_SHADED\n\n\t// Workaround for Adreno GPUs not able to do dFdx( vViewPosition )\n\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n\n#else\n\n\tvec3 normal = normalize( vNormal );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * faceDirection;\n\n\t#endif\n\n\t#ifdef USE_TANGENT\n\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\n\t\t#endif\n\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n\n// non perturbed normal for clearcoat among others\n\nvec3 geometryNormal = normal;\n\n",normal_fragment_maps:"\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; // overrides both flatShading and attribute normals\n\n\t#ifdef FLIP_SIDED\n\n\t\tnormal = - normal;\n\n\t#endif\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * faceDirection;\n\n\t#endif\n\n\tnormal = normalize( normalMatrix * normal );\n\n#elif defined( TANGENTSPACE_NORMALMAP )\n\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tnormal = normalize( vTBN * mapN );\n\n\t#else\n\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection );\n\n\t#endif\n\n#elif defined( USE_BUMPMAP )\n\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection );\n\n#endif\n",normalmap_pars_fragment:"\n#ifdef USE_NORMALMAP\n\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\n#endif\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tuniform mat3 normalMatrix;\n\n#endif\n\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\n\t// Normal Mapping Without Precomputed Tangents\n\t// http://www.thetenthplanet.de/archives/1180\n\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\n\t\tvec3 N = surf_norm; // normalized\n\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\n\t}\n\n#endif\n",clearcoat_normal_fragment_begin:"\n#ifdef CLEARCOAT\n\n\tvec3 clearcoatNormal = geometryNormal;\n\n#endif\n",clearcoat_normal_fragment_maps:"\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\n\t#else\n\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\n\t#endif\n\n#endif\n",clearcoat_pars_fragment:"\n\n#ifdef USE_CLEARCOATMAP\n\n\tuniform sampler2D clearcoatMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\tuniform sampler2D clearcoatRoughnessMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n\n#endif\n",packing:"\nvec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\n\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\n\nconst float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\n\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\n\nconst float ShiftRight8 = 1. / 256.;\n\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8; // tidy overflow\n\treturn r * PackUpscale;\n}\n\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\n\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\n\n// NOTE: viewZ/eyeZ is < 0 when in front of the camera per OpenGL conventions\n\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\n\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n",premultiplied_alpha_fragment:"\n#ifdef PREMULTIPLIED_ALPHA\n\n\t// Get get normal blending with premultipled, use with CustomBlending, OneFactor, OneMinusSrcAlphaFactor, AddEquation.\n\tgl_FragColor.rgb *= gl_FragColor.a;\n\n#endif\n",project_vertex:"\nvec4 mvPosition = vec4( transformed, 1.0 );\n\n#ifdef USE_INSTANCING\n\n\tmvPosition = instanceMatrix * mvPosition;\n\n#endif\n\nmvPosition = modelViewMatrix * mvPosition;\n\ngl_Position = projectionMatrix * mvPosition;\n",dithering_fragment:"\n#ifdef DITHERING\n\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n\n#endif\n",dithering_pars_fragment:"\n#ifdef DITHERING\n\n\t// based on https://www.shadertoy.com/view/MslGR8\n\tvec3 dithering( vec3 color ) {\n\t\t//Calculate grid position\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\n\t\t//Shift the individual colors differently, thus making it even harder to see the dithering pattern\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\n\t\t//modify shift acording to grid position.\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\n\t\t//shift the color by dither_shift\n\t\treturn color + dither_shift_RGB;\n\t}\n\n#endif\n",roughnessmap_fragment:"\nfloat roughnessFactor = roughness;\n\n#ifdef USE_ROUGHNESSMAP\n\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\n\t// reads channel G, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\troughnessFactor *= texelRoughness.g;\n\n#endif\n",roughnessmap_pars_fragment:"\n#ifdef USE_ROUGHNESSMAP\n\n\tuniform sampler2D roughnessMap;\n\n#endif\n",shadowmap_pars_fragment:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): create uniforms for area light shadows\n\n\t#endif\n\t*/\n\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\n\t}\n\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\n\t}\n\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\n\t\tfloat occlusion = 1.0;\n\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\n\t\tfloat hard_shadow = step( compare , distribution.x ); // Hard Shadow\n\n\t\tif (hard_shadow != 1.0 ) {\n\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance ); // Chebeyshevs inequality\n\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); // 0.3 reduces light bleed\n\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\n\t\t}\n\t\treturn occlusion;\n\n\t}\n\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\n\t\tfloat shadow = 1.0;\n\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\n\t\t// if ( something && something ) breaks ATI OpenGL shader compiler\n\t\t// if ( all( something, something ) ) using this instead\n\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\n\t\tbool frustumTest = all( frustumTestVec );\n\n\t\tif ( frustumTest ) {\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#else // no percentage-closer filtering:\n\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#endif\n\n\t\t}\n\n\t\treturn shadow;\n\n\t}\n\n\t// cubeToUV() maps a 3D direction vector suitable for cube texture mapping to a 2D\n\t// vector suitable for 2D texture mapping. This code uses the following layout for the\n\t// 2D texture:\n\t//\n\t// xzXZ\n\t//  y Y\n\t//\n\t// Y - Positive y direction\n\t// y - Negative y direction\n\t// X - Positive x direction\n\t// x - Negative x direction\n\t// Z - Positive z direction\n\t// z - Negative z direction\n\t//\n\t// Source and test bed:\n\t// https://gist.github.com/tschw/da10c43c467ce8afd0c4\n\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\n\t\t// Number of texels to avoid at the edge of each square\n\n\t\tvec3 absV = abs( v );\n\n\t\t// Intersect unit cube\n\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\n\t\t// Apply scale to avoid seams\n\n\t\t// two texels less per square (one texel will do for NEAREST)\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\n\t\t// Unwrap\n\n\t\t// space: -1 ... 1 range for each square\n\t\t//\n\t\t// #X##\t\tdim    := ( 4 , 2 )\n\t\t//  # #\t\tcenter := ( 1 , 1 )\n\n\t\tvec2 planar = v.xy;\n\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\n\t\tif ( absV.z >= almostOne ) {\n\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\n\t\t} else if ( absV.x >= almostOne ) {\n\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\n\t\t} else if ( absV.y >= almostOne ) {\n\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\n\t\t}\n\n\t\t// Transform to UV space\n\n\t\t// scale := 0.5 / dim\n\t\t// translate := ( center + 0.5 ) / dim\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\n\t}\n\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\n\t\t// for point lights, the uniform @vShadowCoord is re-purposed to hold\n\t\t// the vector from the light to the world-space position of the fragment.\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\n\t\t// dp = normalized distance from light to fragment position\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); // need to clamp?\n\t\tdp += shadowBias;\n\n\t\t// bd3D = base direction 3D\n\t\tvec3 bd3D = normalize( lightToPosition );\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#else // no percentage-closer filtering\n\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\n\t\t#endif\n\n\t}\n\n#endif\n",shadowmap_pars_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): uniforms for area light shadows\n\n\t#endif\n\t*/\n\n#endif\n",shadowmap_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\t// Offsetting the position used for querying occlusion along the world normal can be used to reduce shadow acne.\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\n\t#endif\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update vAreaShadowCoord with area light info\n\n\t#endif\n\t*/\n\n#endif\n",shadowmask_pars_fragment:"\nfloat getShadowMask() {\n\n\tfloat shadow = 1.0;\n\n\t#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\tDirectionalLightShadow directionalLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\tSpotLightShadow spotLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\tPointLightShadow pointLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update shadow for Area light\n\n\t#endif\n\t*/\n\n\t#endif\n\n\treturn shadow;\n\n}\n",skinbase_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n\n#endif\n",skinning_pars_vertex:"\n#ifdef USE_SKINNING\n\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\n\t#ifdef BONE_TEXTURE\n\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\n\t\t\ty = dy * ( y + 0.5 );\n\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\n\t\t\treturn bone;\n\n\t\t}\n\n\t#else\n\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\n\t\t}\n\n\t#endif\n\n#endif\n",skinning_vertex:"\n#ifdef USE_SKINNING\n\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n\n#endif\n",skinnormal_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\n\t#ifdef USE_TANGENT\n\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#endif\n\n#endif\n",specularmap_fragment:"\nfloat specularStrength;\n\n#ifdef USE_SPECULARMAP\n\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n\n#else\n\n\tspecularStrength = 1.0;\n\n#endif\n",specularmap_pars_fragment:"\n#ifdef USE_SPECULARMAP\n\n\tuniform sampler2D specularMap;\n\n#endif\n",tonemapping_fragment:"\n#if defined( TONE_MAPPING )\n\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\n#endif\n",tonemapping_pars_fragment:"\n#ifndef saturate\n// <common> may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n\nuniform float toneMappingExposure;\n\n// exposure only\nvec3 LinearToneMapping( vec3 color ) {\n\n\treturn toneMappingExposure * color;\n\n}\n\n// source: https://www.cs.utah.edu/~reinhard/cdrom/\nvec3 ReinhardToneMapping( vec3 color ) {\n\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n\n}\n\n// source: http://filmicworlds.com/blog/filmic-tonemapping-operators/\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\n\t// optimized filmic operator by Jim Hejl and Richard Burgess-Dawson\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n\n}\n\n// source: https://github.com/selfshadow/ltc_code/blob/master/webgl/shaders/ltc/ltc_blit.fs\nvec3 RRTAndODTFit( vec3 v ) {\n\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n\n}\n\n// this implementation of ACES is modified to accommodate a brighter viewing environment.\n// the scale factor of 1/0.6 is subjective. see discussion in #19621.\n\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\n\t// sRGB => XYZ => D65_2_D60 => AP1 => RRT_SAT\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ), // transposed from source\n\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\n\t// ODT_SAT => XYZ => D60_2_D65 => sRGB\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ), // transposed from source\n\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\n\tcolor *= toneMappingExposure / 0.6;\n\n\tcolor = ACESInputMat * color;\n\n\t// Apply RRT and ODT\n\tcolor = RRTAndODTFit( color );\n\n\tcolor = ACESOutputMat * color;\n\n\t// Clamp to [0, 1]\n\treturn saturate( color );\n\n}\n\nvec3 CustomToneMapping( vec3 color ) { return color; }\n",transmissionmap_fragment:"\n#ifdef USE_TRANSMISSIONMAP\n\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n\n#endif\n",transmissionmap_pars_fragment:"\n#ifdef USE_TRANSMISSIONMAP\n\n\tuniform sampler2D transmissionMap;\n\n#endif\n",uv_pars_fragment:"\n#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\n\tvarying vec2 vUv;\n\n#endif\n",uv_pars_vertex:"\n#ifdef USE_UV\n\n\t#ifdef UVS_VERTEX_ONLY\n\n\t\tvec2 vUv;\n\n\t#else\n\n\t\tvarying vec2 vUv;\n\n\t#endif\n\n\tuniform mat3 uvTransform;\n\n#endif\n",uv_vertex:"\n#ifdef USE_UV\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n#endif\n",uv2_pars_fragment:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvarying vec2 vUv2;\n\n#endif\n",uv2_pars_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\n\tuniform mat3 uv2Transform;\n\n#endif\n",uv2_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n\n#endif\n",worldpos_vertex:"\n#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\n\t#ifdef USE_INSTANCING\n\n\t\tworldPosition = instanceMatrix * worldPosition;\n\n\t#endif\n\n\tworldPosition = modelMatrix * worldPosition;\n\n#endif\n",background_frag:"\nuniform sampler2D t2D;\n\nvarying vec2 vUv;\n\nvoid main() {\n\n\tvec4 texColor = texture2D( t2D, vUv );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",background_vert:"\nvarying vec2 vUv;\nuniform mat3 uvTransform;\n\nvoid main() {\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n\n}\n",cube_frag:"\n#include <envmap_common_pars_fragment>\nuniform float opacity;\n\nvarying vec3 vWorldDirection;\n\n#include <cube_uv_reflection_fragment>\n\nvoid main() {\n\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",cube_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n\tgl_Position.z = gl_Position.w; // set z to camera.far\n\n}\n",depth_frag:"\n#if DEPTH_PACKING == 3200\n\n\tuniform float opacity;\n\n#endif\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tdiffuseColor.a = opacity;\n\n\t#endif\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\t#include <logdepthbuf_fragment>\n\n\t// Higher precision equivalent of gl_FragCoord.z. This assumes depthRange has been left to its default values.\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\n\t#elif DEPTH_PACKING == 3201\n\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\n\t#endif\n\n}\n",depth_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\n// This is used for computing an equivalent of gl_FragCoord.z that is as high precision as possible.\n// Some platforms compute gl_FragCoord at a lower precision which makes the manually computed value better for\n// depth-based postprocessing effects. Reproduced on iPad with A10 processor / iPadOS 13.3.1.\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvHighPrecisionZW = gl_Position.zw;\n\n}\n",distanceRGBA_frag:"\n#define DISTANCE\n\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main () {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist ); // clamp to [ 0, 1 ]\n\n\tgl_FragColor = packDepthToRGBA( dist );\n\n}\n",distanceRGBA_vert:"\n#define DISTANCE\n\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvWorldPosition = worldPosition.xyz;\n\n}\n",equirect_frag:"\nuniform sampler2D tEquirect;\n\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvec3 direction = normalize( vWorldDirection );\n\n\tvec2 sampleUV = equirectUv( direction );\n\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",equirect_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n}\n",linedashed_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\nuniform float dashSize;\nuniform float totalSize;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\n\t\tdiscard;\n\n\t}\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\n\toutgoingLight = diffuseColor.rgb; // simple shader\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\n}\n",linedashed_vert:"\nuniform float scale;\nattribute float lineDistance;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\tvLineDistance = scale * lineDistance;\n\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n",meshbasic_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\n\t// accumulation (baked indirect lighting only)\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\n\t#endif\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshbasic_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_ENVMAP\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshlambert_frag:"\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\n\t#endif\n\n\t#include <lightmap_fragment>\n\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\n\t#else\n\n\t\treflectedLight.directDiffuse = vLightFront;\n\n\t#endif\n\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\n\t// modulation\n\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n",meshlambert_vert:"\n#define LAMBERT\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",meshmatcap_frag:"\n#define MATCAP\n\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; // 0.495 to remove artifacts caused by undersized matcap disks\n\n\t#ifdef USE_MATCAP\n\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\n\t#else\n\n\t\tvec4 matcapColor = vec4( 1.0 );\n\n\t#endif\n\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshmatcap_vert:"\n#define MATCAP\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\t\tvNormal = normalize( transformedNormal );\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n}\n",meshtoon_frag:"\n#define TOON\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshtoon_vert:"\n#define TOON\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshphong_frag:"\n#define PHONG\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphong_vert:"\n#define PHONG\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshphysical_frag:"\n#define STANDARD\n\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <transmissionmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <transmissionmap_fragment>\n\n\t// accumulation\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t// this is a stub for the transmission model\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphysical_vert:"\n#define STANDARD\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",normal_frag:"\n#define NORMAL\n\nuniform float opacity;\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\n}\n",normal_vert:"\n#define NORMAL\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvViewPosition = - mvPosition.xyz;\n\n#endif\n\n}\n",points_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\n}\n",points_vert:"\nuniform float size;\nuniform float scale;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\n\tgl_PointSize = size;\n\n\t#ifdef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\n\t#endif\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n\n}\n",shadow_frag:"\nuniform vec3 color;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n\nvoid main() {\n\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",shadow_vert:"\n#include <common>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\n\nvoid main() {\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",sprite_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",sprite_vert:"\nuniform float rotation;\nuniform vec2 center;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\n\t#ifndef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\n\t#endif\n\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\n\tmvPosition.xy += rotatedPosition;\n\n\tgl_Position = projectionMatrix * mvPosition;\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n"},rn={common:{diffuse:{value:new xe(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new S},uv2Transform:{value:new S},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new M(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new xe(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new xe(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},uvTransform:{value:new S}},sprite:{diffuse:{value:new xe(15658734)},opacity:{value:1},center:{value:new M(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new S}}},an={basic:{uniforms:pt([rn.common,rn.specularmap,rn.envmap,rn.aomap,rn.lightmap,rn.fog]),vertexShader:nn.meshbasic_vert,fragmentShader:nn.meshbasic_frag},lambert:{uniforms:pt([rn.common,rn.specularmap,rn.envmap,rn.aomap,rn.lightmap,rn.emissivemap,rn.fog,rn.lights,{emissive:{value:new xe(0)}}]),vertexShader:nn.meshlambert_vert,fragmentShader:nn.meshlambert_frag},phong:{uniforms:pt([rn.common,rn.specularmap,rn.envmap,rn.aomap,rn.lightmap,rn.emissivemap,rn.bumpmap,rn.normalmap,rn.displacementmap,rn.fog,rn.lights,{emissive:{value:new xe(0)},specular:{value:new xe(1118481)},shininess:{value:30}}]),vertexShader:nn.meshphong_vert,fragmentShader:nn.meshphong_frag},standard:{uniforms:pt([rn.common,rn.envmap,rn.aomap,rn.lightmap,rn.emissivemap,rn.bumpmap,rn.normalmap,rn.displacementmap,rn.roughnessmap,rn.metalnessmap,rn.fog,rn.lights,{emissive:{value:new xe(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:nn.meshphysical_vert,fragmentShader:nn.meshphysical_frag},toon:{uniforms:pt([rn.common,rn.aomap,rn.lightmap,rn.emissivemap,rn.bumpmap,rn.normalmap,rn.displacementmap,rn.gradientmap,rn.fog,rn.lights,{emissive:{value:new 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ln(e,t,n,r){const i=r.isWebGL2;let a;this.setMode=function(e){a=e},this.render=function(t,r){e.drawArrays(a,t,r),n.update(r,a,1)},this.renderInstances=function(r,o,s){if(0===s)return;let l,c;if(i)l=e,c="drawArraysInstanced";else if(l=t.get("ANGLE_instanced_arrays"),c="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[c](a,r,o,s),n.update(o,a,s)}}function cn(e,t,n){let r;function i(t){if("highp"===t){if(e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.HIGH_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0)return"highp";t="mediump"}return"mediump"===t&&e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.MEDIUM_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}const a="undefined"!=typeof WebGL2RenderingContext&&e instanceof 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r},getMaxPrecision:i,precision:o,logarithmicDepthBuffer:l,maxTextures:c,maxVertexTextures:u,maxTextureSize:h,maxCubemapSize:d,maxAttributes:f,maxVertexUniforms:p,maxVaryings:m,maxFragmentUniforms:g,vertexTextures:v,floatFragmentTextures:y,floatVertexTextures:v&&y,maxSamples:a?e.getParameter(e.MAX_SAMPLES):0}}function un(e){const t=this;let n=null,r=0,i=!1,a=!1;const o=new te,s=new S,l={value:null,needsUpdate:!1};function c(){l.value!==n&&(l.value=n,l.needsUpdate=r>0),t.numPlanes=r,t.numIntersection=0}function u(e,n,r,i){const a=null!==e?e.length:0;let c=null;if(0!==a){if(c=l.value,!0!==i||null===c){const t=r+4*a,i=n.matrixWorldInverse;s.getNormalMatrix(i),(null===c||c.length<t)&&(c=new Float32Array(t));for(let t=0,n=r;t!==a;++t,n+=4)o.copy(e[t]).applyMatrix4(i,s),o.normal.toArray(c,n),c[n+3]=o.constant}l.value=c,l.needsUpdate=!0}return t.numPlanes=a,t.numIntersection=0,c}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(e,t,a){const o=0!==e.length||t||0!==r||i;return i=t,n=u(e,a,0),r=e.length,o},this.beginShadows=function(){a=!0,u(null)},this.endShadows=function(){a=!1,c()},this.setState=function(t,o,s){const h=t.clippingPlanes,d=t.clipIntersection,f=t.clipShadows,p=e.get(t);if(!i||null===h||0===h.length||a&&!f)a?u(null):c();else{const e=a?0:r,t=4*e;let i=p.clippingState||null;l.value=i,i=u(h,o,t,s);for(let e=0;e!==t;++e)i[e]=n[e];p.clippingState=i,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=e}}}an.physical={uniforms:pt([an.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new M(1,1)},clearcoatNormalMap:{value:null},sheen:{value:new xe(0)},transmission:{value:0},transmissionMap:{value:null}}]),vertexShader:nn.meshphysical_vert,fragmentShader:nn.meshphysical_frag};class hn extends E{constructor(e,t,n){super(),this.width=e,this.height=t,this.depth=1,this.scissor=new fe(0,0,e,t),this.scissorTest=!1,this.viewport=new fe(0,0,e,t),n=n||{},this.texture=new A(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.image={},this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:s,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null}setTexture(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}setSize(e,t,n=1){this.width===e&&this.height===t&&this.depth===n||(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}function dn(){$e.call(this),this.type="Camera",this.matrixWorldInverse=new ae,this.projectionMatrix=new ae,this.projectionMatrixInverse=new ae}function fn(e=50,t=1,n=.1,r=2e3){dn.call(this),this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=r,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}hn.prototype.isWebGLRenderTarget=!0,dn.prototype=Object.assign(Object.create($e.prototype),{constructor:dn,isCamera:!0,copy:function(e,t){return $e.prototype.copy.call(this,e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),e=new N),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()},updateMatrixWorld:function(e){$e.prototype.updateMatrixWorld.call(this,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()},updateWorldMatrix:function(e,t){$e.prototype.updateWorldMatrix.call(this,e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()},clone:function(){return(new this.constructor).copy(this)}}),fn.prototype=Object.assign(Object.create(dn.prototype),{constructor:fn,isPerspectiveCamera:!0,copy:function(e,t){return dn.prototype.copy.call(this,e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this},setFocalLength:function(e){const t=.5*this.getFilmHeight()/e;this.fov=2*w.RAD2DEG*Math.atan(t),this.updateProjectionMatrix()},getFocalLength:function(){const e=Math.tan(.5*w.DEG2RAD*this.fov);return.5*this.getFilmHeight()/e},getEffectiveFOV:function(){return 2*w.RAD2DEG*Math.atan(Math.tan(.5*w.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(e,t,n,r,i,a){this.aspect=e/t,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){const e=this.near;let t=e*Math.tan(.5*w.DEG2RAD*this.fov)/this.zoom,n=2*t,r=this.aspect*n,i=-.5*r;const a=this.view;if(null!==this.view&&this.view.enabled){const e=a.fullWidth,o=a.fullHeight;i+=a.offsetX*r/e,t-=a.offsetY*n/o,r*=a.width/e,n*=a.height/o}const o=this.filmOffset;0!==o&&(i+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()},toJSON:function(e){const t=$e.prototype.toJSON.call(this,e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}});const pn=90;class mn extends $e{constructor(e,t,n){if(super(),this.type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=n;const r=new fn(pn,1,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new N(1,0,0)),this.add(r);const i=new fn(pn,1,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new N(-1,0,0)),this.add(i);const a=new fn(pn,1,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new N(0,1,0)),this.add(a);const o=new fn(pn,1,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new N(0,-1,0)),this.add(o);const s=new fn(pn,1,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new N(0,0,1)),this.add(s);const l=new fn(pn,1,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new N(0,0,-1)),this.add(l)}update(e,t){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[r,i,a,o,s,l]=this.children,c=e.xr.enabled,u=e.getRenderTarget();e.xr.enabled=!1;const h=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,r),e.setRenderTarget(n,1),e.render(t,i),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,s),n.texture.generateMipmaps=h,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(u),e.xr.enabled=c}}class gn extends A{constructor(e,t,n,r,i,a,o,s,l,c){super(e=void 0!==e?e:[],t=void 0!==t?t:301,n,r,i,a,o=void 0!==o?o:f,s,l,c),this._needsFlipEnvMap=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}gn.prototype.isCubeTexture=!0;class vn extends hn{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n),super(e,e,t),t=t||{},this.texture=new gn(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:s,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=p,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={tEquirect:{value:null}},r="\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",i="\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t",a=new ct(5,5,5),o=new gt({name:"CubemapFromEquirect",uniforms:ft(n),vertexShader:r,fragmentShader:i,side:1,blending:0});o.uniforms.tEquirect.value=t;const l=new en(a,o),c=t.minFilter;return 1008===t.minFilter&&(t.minFilter=s),new mn(1,10,this).update(e,l),t.minFilter=c,l.geometry.dispose(),l.material.dispose(),this}clear(e,t,n,r){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,n,r);e.setRenderTarget(i)}}function yn(e){let t=new WeakMap;function n(e,t){return 303===t?e.mapping=301:304===t&&(e.mapping=302),e}function r(e){const n=e.target;n.removeEventListener("dispose",r);const i=t.get(n);void 0!==i&&(t.delete(n),i.dispose())}return{get:function(i){if(i&&i.isTexture){const a=i.mapping;if(303===a||304===a){if(t.has(i))return n(t.get(i).texture,i.mapping);{const a=i.image;if(a&&a.height>0){const o=e.getRenderTarget(),s=new vn(a.height/2);return s.fromEquirectangularTexture(e,i),t.set(i,s),e.setRenderTarget(o),i.addEventListener("dispose",r),n(s.texture,i.mapping)}return null}}}return i},dispose:function(){t=new WeakMap}}}function _n(e){const t={};function n(n){if(void 0!==t[n])return t[n];let r;switch(n){case"WEBGL_depth_texture":r=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":r=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":r=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":r=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:r=e.getExtension(n)}return t[n]=r,r}return{has:function(e){return null!==n(e)},init:function(e){e.isWebGL2?n("EXT_color_buffer_float"):(n("WEBGL_depth_texture"),n("OES_texture_float"),n("OES_texture_half_float"),n("OES_texture_half_float_linear"),n("OES_standard_derivatives"),n("OES_element_index_uint"),n("OES_vertex_array_object"),n("ANGLE_instanced_arrays")),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float")},get:function(e){const t=n(e);return null===t&&console.warn("THREE.WebGLRenderer: "+e+" extension not supported."),t}}}function xn(e,t,n,r){const i={},a=new WeakMap;function o(e){const s=e.target;null!==s.index&&t.remove(s.index);for(const e in s.attributes)t.remove(s.attributes[e]);s.removeEventListener("dispose",o),delete i[s.id];const l=a.get(s);l&&(t.remove(l),a.delete(s)),r.releaseStatesOfGeometry(s),!0===s.isInstancedBufferGeometry&&delete s._maxInstanceCount,n.memory.geometries--}function s(e){const n=[],r=e.index,i=e.attributes.position;let o=0;if(null!==r){const e=r.array;o=r.version;for(let t=0,r=e.length;t<r;t+=3){const r=e[t+0],i=e[t+1],a=e[t+2];n.push(r,i,i,a,a,r)}}else{const e=i.array;o=i.version;for(let t=0,r=e.length/3-1;t<r;t+=3){const e=t+0,r=t+1,i=t+2;n.push(e,r,r,i,i,e)}}const s=new(et(n)>65535?Ne:Re)(n,1);s.version=o;const l=a.get(e);l&&t.remove(l),a.set(e,s)}return{get:function(e,t){return!0===i[t.id]||(t.addEventListener("dispose",o),i[t.id]=!0,n.memory.geometries++),t},update:function(n){const r=n.attributes;for(const n in r)t.update(r[n],e.ARRAY_BUFFER);const i=n.morphAttributes;for(const n in i){const r=i[n];for(let n=0,i=r.length;n<i;n++)t.update(r[n],e.ARRAY_BUFFER)}},getWireframeAttribute:function(e){const t=a.get(e);if(t){const n=e.index;null!==n&&t.version<n.version&&s(e)}else s(e);return a.get(e)}}}function bn(e,t,n,r){const i=r.isWebGL2;let a,o,s;this.setMode=function(e){a=e},this.setIndex=function(e){o=e.type,s=e.bytesPerElement},this.render=function(t,r){e.drawElements(a,r,o,t*s),n.update(r,a,1)},this.renderInstances=function(r,l,c){if(0===c)return;let u,h;if(i)u=e,h="drawElementsInstanced";else if(u=t.get("ANGLE_instanced_arrays"),h="drawElementsInstancedANGLE",null===u)return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");u[h](a,l,o,r*s,c),n.update(l,a,c)}}function wn(e){const t={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:t,programs:null,autoReset:!0,reset:function(){t.frame++,t.calls=0,t.triangles=0,t.points=0,t.lines=0},update:function(n,r,i){switch(t.calls++,r){case e.TRIANGLES:t.triangles+=i*(n/3);break;case e.LINES:t.lines+=i*(n/2);break;case e.LINE_STRIP:t.lines+=i*(n-1);break;case e.LINE_LOOP:t.lines+=i*n;break;case e.POINTS:t.points+=i*n;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",r)}}}}function En(e,t){return e[0]-t[0]}function Mn(e,t){return Math.abs(t[1])-Math.abs(e[1])}function Sn(e){const t={},n=new Float32Array(8),r=[];for(let e=0;e<8;e++)r[e]=[e,0];return{update:function(i,a,o,s){const l=i.morphTargetInfluences,c=void 0===l?0:l.length;let u=t[a.id];if(void 0===u){u=[];for(let e=0;e<c;e++)u[e]=[e,0];t[a.id]=u}for(let e=0;e<c;e++){const t=u[e];t[0]=e,t[1]=l[e]}u.sort(Mn);for(let e=0;e<8;e++)e<c&&u[e][1]?(r[e][0]=u[e][0],r[e][1]=u[e][1]):(r[e][0]=Number.MAX_SAFE_INTEGER,r[e][1]=0);r.sort(En);const h=o.morphTargets&&a.morphAttributes.position,d=o.morphNormals&&a.morphAttributes.normal;let f=0;for(let e=0;e<8;e++){const t=r[e],i=t[0],o=t[1];i!==Number.MAX_SAFE_INTEGER&&o?(h&&a.getAttribute("morphTarget"+e)!==h[i]&&a.setAttribute("morphTarget"+e,h[i]),d&&a.getAttribute("morphNormal"+e)!==d[i]&&a.setAttribute("morphNormal"+e,d[i]),n[e]=o,f+=o):(h&&!0===a.hasAttribute("morphTarget"+e)&&a.deleteAttribute("morphTarget"+e),d&&!0===a.hasAttribute("morphNormal"+e)&&a.deleteAttribute("morphNormal"+e),n[e]=0)}const p=a.morphTargetsRelative?1:1-f;s.getUniforms().setValue(e,"morphTargetBaseInfluence",p),s.getUniforms().setValue(e,"morphTargetInfluences",n)}}}function Tn(e,t,n,r){let i=new WeakMap;function a(e){const t=e.target;t.removeEventListener("dispose",a),n.remove(t.instanceMatrix),null!==t.instanceColor&&n.remove(t.instanceColor)}return{update:function(o){const s=r.render.frame,l=o.geometry,c=t.get(o,l);return i.get(c)!==s&&(t.update(c),i.set(c,s)),o.isInstancedMesh&&(!1===o.hasEventListener("dispose",a)&&o.addEventListener("dispose",a),n.update(o.instanceMatrix,e.ARRAY_BUFFER),null!==o.instanceColor&&n.update(o.instanceColor,e.ARRAY_BUFFER)),c},dispose:function(){i=new WeakMap}}}vn.prototype.isWebGLCubeRenderTarget=!0;class Ln extends A{constructor(e=null,t=1,n=1,r=1){super(null),this.image={data:e,width:t,height:n,depth:r},this.magFilter=o,this.minFilter=o,this.wrapR=i,this.generateMipmaps=!1,this.flipY=!1,this.needsUpdate=!0}}Ln.prototype.isDataTexture2DArray=!0;class An extends A{constructor(e=null,t=1,n=1,r=1){super(null),this.image={data:e,width:t,height:n,depth:r},this.magFilter=o,this.minFilter=o,this.wrapR=i,this.generateMipmaps=!1,this.flipY=!1,this.needsUpdate=!0}}An.prototype.isDataTexture3D=!0;const Pn=new A,Rn=new Ln,Cn=new An,Nn=new gn,Dn=[],On=[],In=new Float32Array(16),kn=new Float32Array(9),Fn=new Float32Array(4);function Un(e,t,n){const r=e[0];if(r<=0||r>0)return e;const i=t*n;let a=Dn[i];if(void 0===a&&(a=new Float32Array(i),Dn[i]=a),0!==t){r.toArray(a,0);for(let r=1,i=0;r!==t;++r)i+=n,e[r].toArray(a,i)}return a}function zn(e,t){if(e.length!==t.length)return!1;for(let n=0,r=e.length;n<r;n++)if(e[n]!==t[n])return!1;return!0}function Bn(e,t){for(let n=0,r=t.length;n<r;n++)e[n]=t[n]}function Hn(e,t){let n=On[t];void 0===n&&(n=new Int32Array(t),On[t]=n);for(let r=0;r!==t;++r)n[r]=e.allocateTextureUnit();return n}function Gn(e,t){const n=this.cache;n[0]!==t&&(e.uniform1f(this.addr,t),n[0]=t)}function Vn(e,t){const n=this.cache;if(void 0!==t.x)n[0]===t.x&&n[1]===t.y||(e.uniform2f(this.addr,t.x,t.y),n[0]=t.x,n[1]=t.y);else{if(zn(n,t))return;e.uniform2fv(this.addr,t),Bn(n,t)}}function Wn(e,t){const n=this.cache;if(void 0!==t.x)n[0]===t.x&&n[1]===t.y&&n[2]===t.z||(e.uniform3f(this.addr,t.x,t.y,t.z),n[0]=t.x,n[1]=t.y,n[2]=t.z);else if(void 0!==t.r)n[0]===t.r&&n[1]===t.g&&n[2]===t.b||(e.uniform3f(this.addr,t.r,t.g,t.b),n[0]=t.r,n[1]=t.g,n[2]=t.b);else{if(zn(n,t))return;e.uniform3fv(this.addr,t),Bn(n,t)}}function jn(e,t){const n=this.cache;if(void 0!==t.x)n[0]===t.x&&n[1]===t.y&&n[2]===t.z&&n[3]===t.w||(e.uniform4f(this.addr,t.x,t.y,t.z,t.w),n[0]=t.x,n[1]=t.y,n[2]=t.z,n[3]=t.w);else{if(zn(n,t))return;e.uniform4fv(this.addr,t),Bn(n,t)}}function Xn(e,t){const n=this.cache,r=t.elements;if(void 0===r){if(zn(n,t))return;e.uniformMatrix2fv(this.addr,!1,t),Bn(n,t)}else{if(zn(n,r))return;Fn.set(r),e.uniformMatrix2fv(this.addr,!1,Fn),Bn(n,r)}}function Yn(e,t){const n=this.cache,r=t.elements;if(void 0===r){if(zn(n,t))return;e.uniformMatrix3fv(this.addr,!1,t),Bn(n,t)}else{if(zn(n,r))return;kn.set(r),e.uniformMatrix3fv(this.addr,!1,kn),Bn(n,r)}}function qn(e,t){const n=this.cache,r=t.elements;if(void 0===r){if(zn(n,t))return;e.uniformMatrix4fv(this.addr,!1,t),Bn(n,t)}else{if(zn(n,r))return;In.set(r),e.uniformMatrix4fv(this.addr,!1,In),Bn(n,r)}}function Zn(e,t,n){const r=this.cache,i=n.allocateTextureUnit();r[0]!==i&&(e.uniform1i(this.addr,i),r[0]=i),n.safeSetTexture2D(t||Pn,i)}function Jn(e,t,n){const r=this.cache,i=n.allocateTextureUnit();r[0]!==i&&(e.uniform1i(this.addr,i),r[0]=i),n.setTexture2DArray(t||Rn,i)}function Kn(e,t,n){const r=this.cache,i=n.allocateTextureUnit();r[0]!==i&&(e.uniform1i(this.addr,i),r[0]=i),n.setTexture3D(t||Cn,i)}function Qn(e,t,n){const r=this.cache,i=n.allocateTextureUnit();r[0]!==i&&(e.uniform1i(this.addr,i),r[0]=i),n.safeSetTextureCube(t||Nn,i)}function $n(e,t){const n=this.cache;n[0]!==t&&(e.uniform1i(this.addr,t),n[0]=t)}function er(e,t){const n=this.cache;zn(n,t)||(e.uniform2iv(this.addr,t),Bn(n,t))}function tr(e,t){const n=this.cache;zn(n,t)||(e.uniform3iv(this.addr,t),Bn(n,t))}function nr(e,t){const n=this.cache;zn(n,t)||(e.uniform4iv(this.addr,t),Bn(n,t))}function rr(e,t){const n=this.cache;n[0]!==t&&(e.uniform1ui(this.addr,t),n[0]=t)}function ir(e,t){e.uniform1fv(this.addr,t)}function ar(e,t){e.uniform1iv(this.addr,t)}function or(e,t){e.uniform2iv(this.addr,t)}function sr(e,t){e.uniform3iv(this.addr,t)}function lr(e,t){e.uniform4iv(this.addr,t)}function cr(e,t){const n=Un(t,this.size,2);e.uniform2fv(this.addr,n)}function ur(e,t){const n=Un(t,this.size,3);e.uniform3fv(this.addr,n)}function hr(e,t){const n=Un(t,this.size,4);e.uniform4fv(this.addr,n)}function dr(e,t){const n=Un(t,this.size,4);e.uniformMatrix2fv(this.addr,!1,n)}function fr(e,t){const n=Un(t,this.size,9);e.uniformMatrix3fv(this.addr,!1,n)}function pr(e,t){const n=Un(t,this.size,16);e.uniformMatrix4fv(this.addr,!1,n)}function mr(e,t,n){const 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0!==i.depthPacking&&i.depthPacking,index0AttributeName:i.index0AttributeName,extensionDerivatives:i.extensions&&i.extensions.derivatives,extensionFragDepth:i.extensions&&i.extensions.fragDepth,extensionDrawBuffers:i.extensions&&i.extensions.drawBuffers,extensionShaderTextureLOD:i.extensions&&i.extensions.shaderTextureLOD,rendererExtensionFragDepth:s||n.has("EXT_frag_depth"),rendererExtensionDrawBuffers:s||n.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:s||n.has("EXT_shader_texture_lod"),customProgramCacheKey:i.customProgramCacheKey()}},getProgramCacheKey:function(t){const n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.fragmentShader),n.push(t.vertexShader)),void 0!==t.defines)for(const e in t.defines)n.push(e),n.push(t.defines[e]);if(!1===t.isRawShaderMaterial){for(let e=0;e<p.length;e++)n.push(t[p[e]]);n.push(e.outputEncoding),n.push(e.gammaFactor)}return n.push(t.customProgramCacheKey),n.join()},getUniforms:function(e){const t=f[e.type];let n;if(t){const e=an[t];n=mt.clone(e.uniforms)}else n=e.uniforms;return n},acquireProgram:function(t,n){let r;for(let e=0,t=o.length;e<t;e++){const t=o[e];if(t.cacheKey===n){r=t,++r.usedTimes;break}}return void 0===r&&(r=new Vr(e,n,t,i),o.push(r)),r},releaseProgram:function(e){if(0==--e.usedTimes){const t=o.indexOf(e);o[t]=o[o.length-1],o.pop(),e.destroy()}},programs:o}}function jr(){let e=new WeakMap;return{get:function(t){let n=e.get(t);return void 0===n&&(n={},e.set(t,n)),n},remove:function(t){e.delete(t)},update:function(t,n,r){e.get(t)[n]=r},dispose:function(){e=new WeakMap}}}function Xr(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.program!==t.program?e.program.id-t.program.id:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function Yr(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function qr(e){const t=[];let n=0;const r=[],i=[],a={id:-1};function o(r,i,o,s,l,c){let u=t[n];const h=e.get(o);return void 0===u?(u={id:r.id,object:r,geometry:i,material:o,program:h.program||a,groupOrder:s,renderOrder:r.renderOrder,z:l,group:c},t[n]=u):(u.id=r.id,u.object=r,u.geometry=i,u.material=o,u.program=h.program||a,u.groupOrder=s,u.renderOrder=r.renderOrder,u.z=l,u.group=c),n++,u}return{opaque:r,transparent:i,init:function(){n=0,r.length=0,i.length=0},push:function(e,t,n,a,s,l){const c=o(e,t,n,a,s,l);(!0===n.transparent?i:r).push(c)},unshift:function(e,t,n,a,s,l){const c=o(e,t,n,a,s,l);(!0===n.transparent?i:r).unshift(c)},finish:function(){for(let e=n,r=t.length;e<r;e++){const n=t[e];if(null===n.id)break;n.id=null,n.object=null,n.geometry=null,n.material=null,n.program=null,n.group=null}},sort:function(e,t){r.length>1&&r.sort(e||Xr),i.length>1&&i.sort(t||Yr)}}}function Zr(e){let t=new WeakMap;return{get:function(n,r){let i;return!1===t.has(n)?(i=new qr(e),t.set(n,[i])):r>=t.get(n).length?(i=new qr(e),t.get(n).push(i)):i=t.get(n)[r],i},dispose:function(){t=new WeakMap}}}function Jr(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":n={direction:new N,color:new xe};break;case"SpotLight":n={position:new N,direction:new N,color:new xe,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new N,color:new xe,distance:0,decay:0};break;case"HemisphereLight":n={direction:new N,skyColor:new xe,groundColor:new xe};break;case"RectAreaLight":n={color:new xe,position:new N,halfWidth:new N,halfHeight:new N}}return e[t.id]=n,n}}}let Kr=0;function Qr(e,t){return(t.castShadow?1:0)-(e.castShadow?1:0)}function $r(e,t){const n=new Jr,r=function(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new M};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new M,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.id]=n,n}}}(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let e=0;e<9;e++)i.probe.push(new N);const a=new N,o=new ae,s=new ae;return{setup:function(a){let o=0,s=0,l=0;for(let e=0;e<9;e++)i.probe[e].set(0,0,0);let c=0,u=0,h=0,d=0,f=0,p=0,m=0,g=0;a.sort(Qr);for(let e=0,t=a.length;e<t;e++){const t=a[e],v=t.color,y=t.intensity,_=t.distance,x=t.shadow&&t.shadow.map?t.shadow.map.texture:null;if(t.isAmbientLight)o+=v.r*y,s+=v.g*y,l+=v.b*y;else if(t.isLightProbe)for(let e=0;e<9;e++)i.probe[e].addScaledVector(t.sh.coefficients[e],y);else if(t.isDirectionalLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),t.castShadow){const e=t.shadow,n=r.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,i.directionalShadow[c]=n,i.directionalShadowMap[c]=x,i.directionalShadowMatrix[c]=t.shadow.matrix,p++}i.directional[c]=e,c++}else if(t.isSpotLight){const e=n.get(t);if(e.position.setFromMatrixPosition(t.matrixWorld),e.color.copy(v).multiplyScalar(y),e.distance=_,e.coneCos=Math.cos(t.angle),e.penumbraCos=Math.cos(t.angle*(1-t.penumbra)),e.decay=t.decay,t.castShadow){const e=t.shadow,n=r.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,i.spotShadow[h]=n,i.spotShadowMap[h]=x,i.spotShadowMatrix[h]=t.shadow.matrix,g++}i.spot[h]=e,h++}else if(t.isRectAreaLight){const e=n.get(t);e.color.copy(v).multiplyScalar(y),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),i.rectArea[d]=e,d++}else if(t.isPointLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),e.distance=t.distance,e.decay=t.decay,t.castShadow){const e=t.shadow,n=r.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,n.shadowCameraNear=e.camera.near,n.shadowCameraFar=e.camera.far,i.pointShadow[u]=n,i.pointShadowMap[u]=x,i.pointShadowMatrix[u]=t.shadow.matrix,m++}i.point[u]=e,u++}else if(t.isHemisphereLight){const e=n.get(t);e.skyColor.copy(t.color).multiplyScalar(y),e.groundColor.copy(t.groundColor).multiplyScalar(y),i.hemi[f]=e,f++}}d>0&&(t.isWebGL2||!0===e.has("OES_texture_float_linear")?(i.rectAreaLTC1=rn.LTC_FLOAT_1,i.rectAreaLTC2=rn.LTC_FLOAT_2):!0===e.has("OES_texture_half_float_linear")?(i.rectAreaLTC1=rn.LTC_HALF_1,i.rectAreaLTC2=rn.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),i.ambient[0]=o,i.ambient[1]=s,i.ambient[2]=l;const v=i.hash;v.directionalLength===c&&v.pointLength===u&&v.spotLength===h&&v.rectAreaLength===d&&v.hemiLength===f&&v.numDirectionalShadows===p&&v.numPointShadows===m&&v.numSpotShadows===g||(i.directional.length=c,i.spot.length=h,i.rectArea.length=d,i.point.length=u,i.hemi.length=f,i.directionalShadow.length=p,i.directionalShadowMap.length=p,i.pointShadow.length=m,i.pointShadowMap.length=m,i.spotShadow.length=g,i.spotShadowMap.length=g,i.directionalShadowMatrix.length=p,i.pointShadowMatrix.length=m,i.spotShadowMatrix.length=g,v.directionalLength=c,v.pointLength=u,v.spotLength=h,v.rectAreaLength=d,v.hemiLength=f,v.numDirectionalShadows=p,v.numPointShadows=m,v.numSpotShadows=g,i.version=Kr++)},setupView:function(e,t){let n=0,r=0,l=0,c=0,u=0;const h=t.matrixWorldInverse;for(let t=0,d=e.length;t<d;t++){const d=e[t];if(d.isDirectionalLight){const e=i.directional[n];e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(h),n++}else if(d.isSpotLight){const e=i.spot[l];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(h),l++}else if(d.isRectAreaLight){const e=i.rectArea[c];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),s.identity(),o.copy(d.matrixWorld),o.premultiply(h),s.extractRotation(o),e.halfWidth.set(.5*d.width,0,0),e.halfHeight.set(0,.5*d.height,0),e.halfWidth.applyMatrix4(s),e.halfHeight.applyMatrix4(s),c++}else if(d.isPointLight){const e=i.point[r];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(h),r++}else if(d.isHemisphereLight){const e=i.hemi[u];e.direction.setFromMatrixPosition(d.matrixWorld),e.direction.transformDirection(h),e.direction.normalize(),u++}}},state:i}}function ei(e,t){const n=new $r(e,t),r=[],i=[];return{init:function(){r.length=0,i.length=0},state:{lightsArray:r,shadowsArray:i,lights:n},setupLights:function(){n.setup(r)},setupLightsView:function(e){n.setupView(r,e)},pushLight:function(e){r.push(e)},pushShadow:function(e){i.push(e)}}}function ti(e,t){let n=new WeakMap;return{get:function(r,i=0){let a;return!1===n.has(r)?(a=new ei(e,t),n.set(r,[a])):i>=n.get(r).length?(a=new ei(e,t),n.get(r).push(a)):a=n.get(r)[i],a},dispose:function(){n=new WeakMap}}}class ni extends dt{constructor(e){super(),this.type="MeshDepthMaterial",this.depthPacking=3200,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}ni.prototype.isMeshDepthMaterial=!0;class ri extends dt{constructor(e){super(),this.type="MeshDistanceMaterial",this.referencePosition=new N,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}function ii(e,t,n){let r=new ie;const i=new M,a=new M,l=new fe,c=[],u=[],h={},d={0:1,1:0,2:2},f=new gt({defines:{SAMPLE_RATE:2/8,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new M},radius:{value:4}},vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}\n",fragmentShader:"\nuniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n\n#include <packing>\n\nvoid main() {\n\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\n\t// This seems totally useless but it's a crazy work around for a Adreno compiler bug\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n\n\tfor ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n\n\t\t#ifdef HORIZONTAL_PASS\n\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\n\t\t#else\n\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\n\t\t#endif\n\n\t}\n\n\tmean = mean * HALF_SAMPLE_RATE;\n\tsquared_mean = squared_mean * HALF_SAMPLE_RATE;\n\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n\n}\n"}),m=f.clone();m.defines.HORIZONTAL_PASS=1;const g=new lt;g.setAttribute("position",new Se(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const v=new en(g,f),y=this;function _(n,r){const i=t.update(v);f.uniforms.shadow_pass.value=n.map.texture,f.uniforms.resolution.value=n.mapSize,f.uniforms.radius.value=n.radius,e.setRenderTarget(n.mapPass),e.clear(),e.renderBufferDirect(r,null,i,f,v,null),m.uniforms.shadow_pass.value=n.mapPass.texture,m.uniforms.resolution.value=n.mapSize,m.uniforms.radius.value=n.radius,e.setRenderTarget(n.map),e.clear(),e.renderBufferDirect(r,null,i,m,v,null)}function x(e,t,n){const r=e<<0|t<<1|n<<2;let i=c[r];return void 0===i&&(i=new ni({depthPacking:3201,morphTargets:e,skinning:t}),c[r]=i),i}function b(e,t,n){const r=e<<0|t<<1|n<<2;let i=u[r];return void 0===i&&(i=new ri({morphTargets:e,skinning:t}),u[r]=i),i}function w(t,n,r,i,a,o,s){let l=null,c=x,u=t.customDepthMaterial;if(!0===i.isPointLight&&(c=b,u=t.customDistanceMaterial),void 0===u){let e=!1;!0===r.morphTargets&&(e=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);let i=!1;!0===t.isSkinnedMesh&&(!0===r.skinning?i=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",t)),l=c(e,i,!0===t.isInstancedMesh)}else l=u;if(e.localClippingEnabled&&!0===r.clipShadows&&0!==r.clippingPlanes.length){const e=l.uuid,t=r.uuid;let n=h[e];void 0===n&&(n={},h[e]=n);let i=n[t];void 0===i&&(i=l.clone(),n[t]=i),l=i}return l.visible=r.visible,l.wireframe=r.wireframe,l.side=3===s?null!==r.shadowSide?r.shadowSide:r.side:null!==r.shadowSide?r.shadowSide:d[r.side],l.clipShadows=r.clipShadows,l.clippingPlanes=r.clippingPlanes,l.clipIntersection=r.clipIntersection,l.wireframeLinewidth=r.wireframeLinewidth,l.linewidth=r.linewidth,!0===i.isPointLight&&!0===l.isMeshDistanceMaterial&&(l.referencePosition.setFromMatrixPosition(i.matrixWorld),l.nearDistance=a,l.farDistance=o),l}function E(n,i,a,o,s){if(!1===n.visible)return;if(n.layers.test(i.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||r.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);const r=t.update(n),i=n.material;if(Array.isArray(i)){const t=r.groups;for(let l=0,c=t.length;l<c;l++){const c=t[l],u=i[c.materialIndex];if(u&&u.visible){const t=w(n,r,u,o,a.near,a.far,s);e.renderBufferDirect(a,null,r,t,n,c)}}}else if(i.visible){const t=w(n,r,i,o,a.near,a.far,s);e.renderBufferDirect(a,null,r,t,n,null)}}const l=n.children;for(let e=0,t=l.length;e<t;e++)E(l[e],i,a,o,s)}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=1,this.render=function(t,c,u){if(!1===y.enabled)return;if(!1===y.autoUpdate&&!1===y.needsUpdate)return;if(0===t.length)return;const h=e.getRenderTarget(),d=e.getActiveCubeFace(),f=e.getActiveMipmapLevel(),m=e.state;m.setBlending(0),m.buffers.color.setClear(1,1,1,1),m.buffers.depth.setTest(!0),m.setScissorTest(!1);for(let h=0,d=t.length;h<d;h++){const d=t[h],f=d.shadow;if(void 0===f){console.warn("THREE.WebGLShadowMap:",d,"has no shadow.");continue}if(!1===f.autoUpdate&&!1===f.needsUpdate)continue;i.copy(f.mapSize);const g=f.getFrameExtents();if(i.multiply(g),a.copy(f.mapSize),(i.x>n||i.y>n)&&(i.x>n&&(a.x=Math.floor(n/g.x),i.x=a.x*g.x,f.mapSize.x=a.x),i.y>n&&(a.y=Math.floor(n/g.y),i.y=a.y*g.y,f.mapSize.y=a.y)),null===f.map&&!f.isPointLightShadow&&3===this.type){const e={minFilter:s,magFilter:s,format:p};f.map=new hn(i.x,i.y,e),f.map.texture.name=d.name+".shadowMap",f.mapPass=new hn(i.x,i.y,e),f.camera.updateProjectionMatrix()}if(null===f.map){const e={minFilter:o,magFilter:o,format:p};f.map=new 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if(r.isDataTexture2DArray)n.texImage3D(e.TEXTURE_2D_ARRAY,0,T,y.width,y.height,y.depth,0,w,M,y.data),t.__maxMipLevel=0;else if(r.isDataTexture3D)n.texImage3D(e.TEXTURE_3D,0,T,y.width,y.height,y.depth,0,w,M,y.data),t.__maxMipLevel=0;else if(L.length>0&&x){for(let t=0,r=L.length;t<r;t++)E=L[t],n.texImage2D(e.TEXTURE_2D,t,T,w,M,E);r.generateMipmaps=!1,t.__maxMipLevel=L.length-1}else n.texImage2D(e.TEXTURE_2D,0,T,w,M,y),t.__maxMipLevel=0;D(r,x)&&O(h,r,y.width,y.height),t.__version=r.version,r.onUpdate&&r.onUpdate(r)}function Y(t,r,i,a){const o=r.texture,s=_.convert(o.format),l=_.convert(o.type),c=I(o.internalFormat,s,l);a===e.TEXTURE_3D||a===e.TEXTURE_2D_ARRAY?n.texImage3D(a,0,c,r.width,r.height,r.depth,0,s,l,null):n.texImage2D(a,0,c,r.width,r.height,0,s,l,null),e.bindFramebuffer(e.FRAMEBUFFER,t),e.framebufferTexture2D(e.FRAMEBUFFER,i,a,v.get(o).__webglTexture,0),e.bindFramebuffer(e.FRAMEBUFFER,null)}function 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o=!0===t.isWebGLCubeRenderTarget,s=!0===t.isWebGLMultisampleRenderTarget,l=r.isDataTexture3D||r.isDataTexture2DArray,c=N(t)||b;if(!b||r.format!==f||r.type!==u&&r.type!==h||(r.format=p,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. 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e.RGBA_INTEGER;if(33776===n||33777===n||33778===n||33779===n){if(i=t.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(33776===n)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===n)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===n)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===n)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===n||35841===n||35842===n||35843===n){if(i=t.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(35840===n)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===n)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===n)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===n)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===n)return i=t.get("WEBGL_compressed_texture_etc1"),null!==i?i.COMPRESSED_RGB_ETC1_WEBGL:null;if((37492===n||37496===n)&&(i=t.get("WEBGL_compressed_texture_etc"),null!==i)){if(37492===n)return i.COMPRESSED_RGB8_ETC2;if(37496===n)return i.COMPRESSED_RGBA8_ETC2_EAC}return 37808===n||37809===n||37810===n||37811===n||37812===n||37813===n||37814===n||37815===n||37816===n||37817===n||37818===n||37819===n||37820===n||37821===n||37840===n||37841===n||37842===n||37843===n||37844===n||37845===n||37846===n||37847===n||37848===n||37849===n||37850===n||37851===n||37852===n||37853===n?(i=t.get("WEBGL_compressed_texture_astc"),null!==i?n:null):36492===n?(i=t.get("EXT_texture_compression_bptc"),null!==i?n:null):n===d?r?e.UNSIGNED_INT_24_8:(i=t.get("WEBGL_depth_texture"),null!==i?i.UNSIGNED_INT_24_8_WEBGL:null):void 0}}}function li(e=[]){fn.call(this),this.cameras=e}ri.prototype.isMeshDistanceMaterial=!0,li.prototype=Object.assign(Object.create(fn.prototype),{constructor:li,isArrayCamera:!0});class ci extends $e{constructor(){super(),this.type="Group"}}function ui(){this._targetRay=null,this._grip=null,this._hand=null}function hi(e,t){const n=this;let r=null,i=1,a=null,o="local-floor",s=null;const l=[],c=new Map,u=new fn;u.layers.enable(1),u.viewport=new fe;const h=new fn;h.layers.enable(2),h.viewport=new fe;const d=[u,h],f=new li;f.layers.enable(1),f.layers.enable(2);let p=null,m=null;function g(e){const t=c.get(e.inputSource);t&&t.dispatchEvent({type:e.type,data:e.inputSource})}function v(){c.forEach((function(e,t){e.disconnect(t)})),c.clear(),p=null,m=null,e.setFramebuffer(null),e.setRenderTarget(e.getRenderTarget()),E.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function y(e){const t=r.inputSources;for(let e=0;e<l.length;e++)c.set(t[e],l[e]);for(let t=0;t<e.removed.length;t++){const n=e.removed[t],r=c.get(n);r&&(r.dispatchEvent({type:"disconnected",data:n}),c.delete(n))}for(let t=0;t<e.added.length;t++){const n=e.added[t],r=c.get(n);r&&r.dispatchEvent({type:"connected",data:n})}}this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=l[e];return void 0===t&&(t=new ui,l[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=l[e];return void 0===t&&(t=new ui,l[e]=t),t.getGripSpace()},this.getHand=function(e){let t=l[e];return void 0===t&&(t=new ui,l[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){i=e,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){o=e,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return a},this.getSession=function(){return r},this.setSession=async function(e){if(r=e,null!==r){r.addEventListener("select",g),r.addEventListener("selectstart",g),r.addEventListener("selectend",g),r.addEventListener("squeeze",g),r.addEventListener("squeezestart",g),r.addEventListener("squeezeend",g),r.addEventListener("end",v),r.addEventListener("inputsourceschange",y);const e=t.getContextAttributes();!0!==e.xrCompatible&&await t.makeXRCompatible();const s={antialias:e.antialias,alpha:e.alpha,depth:e.depth,stencil:e.stencil,framebufferScaleFactor:i},l=new XRWebGLLayer(r,t,s);r.updateRenderState({baseLayer:l}),a=await r.requestReferenceSpace(o),E.setContext(r),E.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}};const _=new N,x=new N;function b(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.getCamera=function(e){f.near=h.near=u.near=e.near,f.far=h.far=u.far=e.far,p===f.near&&m===f.far||(r.updateRenderState({depthNear:f.near,depthFar:f.far}),p=f.near,m=f.far);const t=e.parent,n=f.cameras;b(f,t);for(let e=0;e<n.length;e++)b(n[e],t);e.matrixWorld.copy(f.matrixWorld),e.matrix.copy(f.matrix),e.matrix.decompose(e.position,e.quaternion,e.scale);const i=e.children;for(let e=0,t=i.length;e<t;e++)i[e].updateMatrixWorld(!0);return 2===n.length?function(e,t,n){_.setFromMatrixPosition(t.matrixWorld),x.setFromMatrixPosition(n.matrixWorld);const r=_.distanceTo(x),i=t.projectionMatrix.elements,a=n.projectionMatrix.elements,o=i[14]/(i[10]-1),s=i[14]/(i[10]+1),l=(i[9]+1)/i[5],c=(i[9]-1)/i[5],u=(i[8]-1)/i[0],h=(a[8]+1)/a[0],d=o*u,f=o*h,p=r/(-u+h),m=p*-u;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(p),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();const g=o+p,v=s+p,y=d-m,b=f+(r-m),w=l*s/v*g,E=c*s/v*g;e.projectionMatrix.makePerspective(y,b,w,E,g,v)}(f,u,h):f.projectionMatrix.copy(u.projectionMatrix),f};let w=null;const E=new be;E.setAnimationLoop((function(t,n){if(s=n.getViewerPose(a),null!==s){const t=s.views,n=r.renderState.baseLayer;e.setFramebuffer(n.framebuffer);let i=!1;t.length!==f.cameras.length&&(f.cameras.length=0,i=!0);for(let e=0;e<t.length;e++){const r=t[e],a=n.getViewport(r),o=d[e];o.matrix.fromArray(r.transform.matrix),o.projectionMatrix.fromArray(r.projectionMatrix),o.viewport.set(a.x,a.y,a.width,a.height),0===e&&f.matrix.copy(o.matrix),!0===i&&f.cameras.push(o)}}const i=r.inputSources;for(let e=0;e<l.length;e++){const t=l[e],r=i[e];t.update(r,n,a)}w&&w(t,n)})),this.setAnimationLoop=function(e){w=e},this.dispose=function(){}}function di(e){function t(t,n){t.opacity.value=n.opacity,n.color&&t.diffuse.value.copy(n.color),n.emissive&&t.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(t.map.value=n.map),n.alphaMap&&(t.alphaMap.value=n.alphaMap),n.specularMap&&(t.specularMap.value=n.specularMap);const r=e.get(n).envMap;if(r){t.envMap.value=r,t.flipEnvMap.value=r.isCubeTexture&&r._needsFlipEnvMap?-1:1,t.reflectivity.value=n.reflectivity,t.refractionRatio.value=n.refractionRatio;const i=e.get(r).__maxMipLevel;void 0!==i&&(t.maxMipLevel.value=i)}let i,a;n.lightMap&&(t.lightMap.value=n.lightMap,t.lightMapIntensity.value=n.lightMapIntensity),n.aoMap&&(t.aoMap.value=n.aoMap,t.aoMapIntensity.value=n.aoMapIntensity),n.map?i=n.map:n.specularMap?i=n.specularMap:n.displacementMap?i=n.displacementMap:n.normalMap?i=n.normalMap:n.bumpMap?i=n.bumpMap:n.roughnessMap?i=n.roughnessMap:n.metalnessMap?i=n.metalnessMap:n.alphaMap?i=n.alphaMap:n.emissiveMap?i=n.emissiveMap:n.clearcoatMap?i=n.clearcoatMap:n.clearcoatNormalMap?i=n.clearcoatNormalMap:n.clearcoatRoughnessMap&&(i=n.clearcoatRoughnessMap),void 0!==i&&(i.isWebGLRenderTarget&&(i=i.texture),!0===i.matrixAutoUpdate&&i.updateMatrix(),t.uvTransform.value.copy(i.matrix)),n.aoMap?a=n.aoMap:n.lightMap&&(a=n.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),t.uv2Transform.value.copy(a.matrix))}function n(t,n){t.roughness.value=n.roughness,t.metalness.value=n.metalness,n.roughnessMap&&(t.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(t.metalnessMap.value=n.metalnessMap),n.emissiveMap&&(t.emissiveMap.value=n.emissiveMap),n.bumpMap&&(t.bumpMap.value=n.bumpMap,t.bumpScale.value=n.bumpScale,1===n.side&&(t.bumpScale.value*=-1)),n.normalMap&&(t.normalMap.value=n.normalMap,t.normalScale.value.copy(n.normalScale),1===n.side&&t.normalScale.value.negate()),n.displacementMap&&(t.displacementMap.value=n.displacementMap,t.displacementScale.value=n.displacementScale,t.displacementBias.value=n.displacementBias),e.get(n).envMap&&(t.envMapIntensity.value=n.envMapIntensity)}return{refreshFogUniforms:function(e,t){e.fogColor.value.copy(t.color),t.isFog?(e.fogNear.value=t.near,e.fogFar.value=t.far):t.isFogExp2&&(e.fogDensity.value=t.density)},refreshMaterialUniforms:function(e,r,i,a){r.isMeshBasicMaterial?t(e,r):r.isMeshLambertMaterial?(t(e,r),function(e,t){t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap)}(e,r)):r.isMeshToonMaterial?(t(e,r),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,r)):r.isMeshPhongMaterial?(t(e,r),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,r)):r.isMeshStandardMaterial?(t(e,r),r.isMeshPhysicalMaterial?function(e,t){n(e,t),e.reflectivity.value=t.reflectivity,e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.sheen&&e.sheen.value.copy(t.sheen),t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap),t.clearcoatNormalMap&&(e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),e.clearcoatNormalMap.value=t.clearcoatNormalMap,1===t.side&&e.clearcoatNormalScale.value.negate()),e.transmission.value=t.transmission,t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap)}(e,r):n(e,r)):r.isMeshMatcapMaterial?(t(e,r),function(e,t){t.matcap&&(e.matcap.value=t.matcap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,r)):r.isMeshDepthMaterial?(t(e,r),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,r)):r.isMeshDistanceMaterial?(t(e,r),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias),e.referencePosition.value.copy(t.referencePosition),e.nearDistance.value=t.nearDistance,e.farDistance.value=t.farDistance}(e,r)):r.isMeshNormalMaterial?(t(e,r),function(e,t){t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,1===t.side&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),1===t.side&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,r)):r.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity}(e,r),r.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,r)):r.isPointsMaterial?function(e,t,n,r){let i;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*n,e.scale.value=.5*r,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?i=t.map:t.alphaMap&&(i=t.alphaMap),void 0!==i&&(!0===i.matrixAutoUpdate&&i.updateMatrix(),e.uvTransform.value.copy(i.matrix))}(e,r,i,a):r.isSpriteMaterial?function(e,t){let n;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?n=t.map:t.alphaMap&&(n=t.alphaMap),void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),e.uvTransform.value.copy(n.matrix))}(e,r):r.isShadowMaterial?(e.color.value.copy(r.color),e.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function fi(e){const t=void 0!==(e=e||{}).canvas?e.canvas:function(){const e=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");return e.style.display="block",e}(),n=void 0!==e.context?e.context:null,r=void 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X=new ae,Y=new N,q={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function Z(){return null===T?F:1}let J,K,Q,$,ee,te,ne,re,oe,se,le,ce,ue,he,de,pe,me,ge,ve,ye,_e,Ee=n;function Me(e,n){for(let r=0;r<e.length;r++){const i=e[r],a=t.getContext(i,n);if(null!==a)return a}return null}try{const e={alpha:r,depth:i,stencil:a,antialias:o,premultipliedAlpha:s,preserveDrawingBuffer:l,powerPreference:c,failIfMajorPerformanceCaveat:d};if(t.addEventListener("webglcontextlost",Ae,!1),t.addEventListener("webglcontextrestored",Pe,!1),null===Ee){const t=["webgl2","webgl","experimental-webgl"];if(!0===_.isWebGL1Renderer&&t.shift(),Ee=Me(t,e),null===Ee)throw Me(t)?new Error("Error creating WebGL context with your selected attributes."):new Error("Error creating WebGL context.")}void 0===Ee.getShaderPrecisionFormat&&(Ee.getShaderPrecisionFormat=function(){return{rangeMin:1,rangeMax:1,precision:1}})}catch(e){throw console.error("THREE.WebGLRenderer: "+e.message),e}function 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0!==t&&le.releaseProgram(t)}this.shadowMap=Le,this.getContext=function(){return Ee},this.getContextAttributes=function(){return Ee.getContextAttributes()},this.forceContextLoss=function(){const e=J.get("WEBGL_lose_context");e&&e.loseContext()},this.forceContextRestore=function(){const e=J.get("WEBGL_lose_context");e&&e.restoreContext()},this.getPixelRatio=function(){return F},this.setPixelRatio=function(e){void 0!==e&&(F=e,this.setSize(I,k,!1))},this.getSize=function(e){return void 0===e&&(console.warn("WebGLRenderer: .getsize() now requires a Vector2 as an argument"),e=new M),e.set(I,k)},this.setSize=function(e,n,r){Te.isPresenting?console.warn("THREE.WebGLRenderer: Can't change size while VR device is presenting."):(I=e,k=n,t.width=Math.floor(e*F),t.height=Math.floor(n*F),!1!==r&&(t.style.width=e+"px",t.style.height=n+"px"),this.setViewport(0,0,e,n))},this.getDrawingBufferSize=function(e){return void 0===e&&(console.warn("WebGLRenderer: .getdrawingBufferSize() now requires a Vector2 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r=t.getAttributes();e.hasPositions&&(Ee.bindBuffer(Ee.ARRAY_BUFFER,n.position),Ee.bufferData(Ee.ARRAY_BUFFER,e.positionArray,Ee.DYNAMIC_DRAW),_e.enableAttribute(r.position),Ee.vertexAttribPointer(r.position,3,Ee.FLOAT,!1,0,0)),e.hasNormals&&(Ee.bindBuffer(Ee.ARRAY_BUFFER,n.normal),Ee.bufferData(Ee.ARRAY_BUFFER,e.normalArray,Ee.DYNAMIC_DRAW),_e.enableAttribute(r.normal),Ee.vertexAttribPointer(r.normal,3,Ee.FLOAT,!1,0,0)),e.hasUvs&&(Ee.bindBuffer(Ee.ARRAY_BUFFER,n.uv),Ee.bufferData(Ee.ARRAY_BUFFER,e.uvArray,Ee.DYNAMIC_DRAW),_e.enableAttribute(r.uv),Ee.vertexAttribPointer(r.uv,2,Ee.FLOAT,!1,0,0)),e.hasColors&&(Ee.bindBuffer(Ee.ARRAY_BUFFER,n.color),Ee.bufferData(Ee.ARRAY_BUFFER,e.colorArray,Ee.DYNAMIC_DRAW),_e.enableAttribute(r.color),Ee.vertexAttribPointer(r.color,3,Ee.FLOAT,!1,0,0)),_e.disableUnusedAttributes(),Ee.drawArrays(Ee.TRIANGLES,0,e.count),e.count=0},this.renderBufferDirect=function(e,t,n,r,i,a){null===t&&(t=q);const o=i.isMesh&&i.matrixWorld.determinant()<0,s=Ue(e,t,r,i);Q.setMaterial(r,o);let l=n.index;const c=n.attributes.position;if(null===l){if(void 0===c||0===c.count)return}else if(0===l.count)return;let u,h=1;!0===r.wireframe&&(l=oe.getWireframeAttribute(n),h=2),(r.morphTargets||r.morphNormals)&&me.update(i,n,r,s),_e.setup(i,r,s,n,l);let d=ge;null!==l&&(u=re.get(l),d=ve,d.setIndex(u));const f=null!==l?l.count:c.count,p=n.drawRange.start*h,m=n.drawRange.count*h,g=null!==a?a.start*h:0,v=null!==a?a.count*h:1/0,y=Math.max(p,g),_=Math.min(f,p+m,g+v)-1,x=Math.max(0,_-y+1);if(0!==x){if(i.isMesh)!0===r.wireframe?(Q.setLineWidth(r.wireframeLinewidth*Z()),d.setMode(Ee.LINES)):d.setMode(Ee.TRIANGLES);else if(i.isLine){let e=r.linewidth;void 0===e&&(e=1),Q.setLineWidth(e*Z()),i.isLineSegments?d.setMode(Ee.LINES):i.isLineLoop?d.setMode(Ee.LINE_LOOP):d.setMode(Ee.LINE_STRIP)}else i.isPoints?d.setMode(Ee.POINTS):i.isSprite&&d.setMode(Ee.TRIANGLES);if(i.isInstancedMesh)d.renderInstances(y,x,i.count);else 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if(e.isImmediateRenderObject)r&&Y.setFromMatrixPosition(e.matrixWorld).applyMatrix4(X),f.push(e,null,e.material,n,Y.z,null);else if((e.isMesh||e.isLine||e.isPoints)&&(e.isSkinnedMesh&&e.skeleton.frame!==$.render.frame&&(e.skeleton.update(),e.skeleton.frame=$.render.frame),!e.frustumCulled||V.intersectsObject(e))){r&&Y.setFromMatrixPosition(e.matrixWorld).applyMatrix4(X);const t=se.update(e),i=e.material;if(Array.isArray(i)){const r=t.groups;for(let a=0,o=r.length;a<o;a++){const o=r[a],s=i[o.materialIndex];s&&s.visible&&f.push(e,t,s,n,Y.z,o)}}else i.visible&&f.push(e,t,i,n,Y.z,null)}const i=e.children;for(let e=0,a=i.length;e<a;e++)Oe(i[e],t,n,r)}function Ie(e,t,n){const r=!0===t.isScene?t.overrideMaterial:null;for(let i=0,a=e.length;i<a;i++){const a=e[i],o=a.object,s=a.geometry,l=null===r?a.material:r,c=a.group;if(n.isArrayCamera){const e=n.cameras;for(let n=0,r=e.length;n<r;n++){const r=e[n];o.layers.test(r.layers)&&(Q.viewport(C.copy(r.viewport)),m.setupLightsView(r),ke(o,t,r,s,l,c))}}else ke(o,t,n,s,l,c)}}function ke(e,t,n,r,i,a){if(e.onBeforeRender(_,t,n,r,i,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),e.isImmediateRenderObject){const r=Ue(n,t,i,e);Q.setMaterial(i),_e.reset(),function(e,t){e.render((function(e){_.renderBufferImmediate(e,t)}))}(e,r)}else _.renderBufferDirect(n,t,r,i,e,a);e.onAfterRender(_,t,n,r,i,a)}function Fe(e,t,n){!0!==t.isScene&&(t=q);const r=ee.get(e),i=m.state.lights,a=m.state.shadowsArray,o=i.state.version,s=le.getParameters(e,i.state,a,t,n),l=le.getProgramCacheKey(s);let c=r.program,u=!0;if(r.environment=e.isMeshStandardMaterial?t.environment:null,r.fog=t.fog,r.envMap=ne.get(e.envMap||r.environment),void 0===c)e.addEventListener("dispose",Re);else if(c.cacheKey!==l)Ce(e);else if(r.lightsStateVersion!==o)u=!1;else{if(void 0!==s.shaderID)return;u=!1}u&&(s.uniforms=le.getUniforms(e),e.onBeforeCompile(s,_),c=le.acquireProgram(s,l),r.program=c,r.uniforms=s.uniforms,r.outputEncoding=s.outputEncoding);const h=r.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(r.numClippingPlanes=de.numPlanes,r.numIntersection=de.numIntersection,h.clippingPlanes=de.uniform),r.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),r.lightsStateVersion=o,r.needsLights&&(h.ambientLightColor.value=i.state.ambient,h.lightProbe.value=i.state.probe,h.directionalLights.value=i.state.directional,h.directionalLightShadows.value=i.state.directionalShadow,h.spotLights.value=i.state.spot,h.spotLightShadows.value=i.state.spotShadow,h.rectAreaLights.value=i.state.rectArea,h.ltc_1.value=i.state.rectAreaLTC1,h.ltc_2.value=i.state.rectAreaLTC2,h.pointLights.value=i.state.point,h.pointLightShadows.value=i.state.pointShadow,h.hemisphereLights.value=i.state.hemi,h.directionalShadowMap.value=i.state.directionalShadowMap,h.directionalShadowMatrix.value=i.state.directionalShadowMatrix,h.spotShadowMap.value=i.state.spotShadowMap,h.spotShadowMatrix.value=i.state.spotShadowMatrix,h.pointShadowMap.value=i.state.pointShadowMap,h.pointShadowMatrix.value=i.state.pointShadowMatrix);const d=r.program.getUniforms(),f=Er.seqWithValue(d.seq,h);r.uniformsList=f}function Ue(e,t,n,r){!0!==t.isScene&&(t=q),te.resetTextureUnits();const i=t.fog,a=n.isMeshStandardMaterial?t.environment:null,o=null===T?_.outputEncoding:T.texture.encoding,s=ne.get(n.envMap||a),l=ee.get(n),c=m.state.lights;if(!0===W&&(!0===j||e!==P)){const t=e===P&&n.id===A;de.setState(n,e,t)}n.version===l.__version?n.fog&&l.fog!==i||l.environment!==a||l.needsLights&&l.lightsStateVersion!==c.state.version?Fe(n,t,r):void 0===l.numClippingPlanes||l.numClippingPlanes===de.numPlanes&&l.numIntersection===de.numIntersection?(l.outputEncoding!==o||l.envMap!==s)&&Fe(n,t,r):Fe(n,t,r):(Fe(n,t,r),l.__version=n.version);let h=!1,d=!1,f=!1;const g=l.program,v=g.getUniforms(),y=l.uniforms;if(Q.useProgram(g.program)&&(h=!0,d=!0,f=!0),n.id!==A&&(A=n.id,d=!0),h||P!==e){if(v.setValue(Ee,"projectionMatrix",e.projectionMatrix),K.logarithmicDepthBuffer&&v.setValue(Ee,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),P!==e&&(P=e,d=!0,f=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshStandardMaterial||n.envMap){const t=v.map.cameraPosition;void 0!==t&&t.setValue(Ee,Y.setFromMatrixPosition(e.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial)&&v.setValue(Ee,"isOrthographic",!0===e.isOrthographicCamera),(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.isShadowMaterial||n.skinning)&&v.setValue(Ee,"viewMatrix",e.matrixWorldInverse)}if(n.skinning){v.setOptional(Ee,r,"bindMatrix"),v.setOptional(Ee,r,"bindMatrixInverse");const e=r.skeleton;if(e){const t=e.bones;if(K.floatVertexTextures){if(null===e.boneTexture){let n=Math.sqrt(4*t.length);n=w.ceilPowerOfTwo(n),n=Math.max(n,4);const r=new Float32Array(n*n*4);r.set(e.boneMatrices);const i=new R(r,n,n,p,u);e.boneMatrices=r,e.boneTexture=i,e.boneTextureSize=n}v.setValue(Ee,"boneTexture",e.boneTexture,te),v.setValue(Ee,"boneTextureSize",e.boneTextureSize)}else v.setOptional(Ee,e,"boneMatrices")}}var x,b;return(d||l.receiveShadow!==r.receiveShadow)&&(l.receiveShadow=r.receiveShadow,v.setValue(Ee,"receiveShadow",r.receiveShadow)),d&&(v.setValue(Ee,"toneMappingExposure",_.toneMappingExposure),l.needsLights&&(b=f,(x=y).ambientLightColor.needsUpdate=b,x.lightProbe.needsUpdate=b,x.directionalLights.needsUpdate=b,x.directionalLightShadows.needsUpdate=b,x.pointLights.needsUpdate=b,x.pointLightShadows.needsUpdate=b,x.spotLights.needsUpdate=b,x.spotLightShadows.needsUpdate=b,x.rectAreaLights.needsUpdate=b,x.hemisphereLights.needsUpdate=b),i&&n.fog&&ce.refreshFogUniforms(y,i),ce.refreshMaterialUniforms(y,n,F,k),Er.upload(Ee,l.uniformsList,y,te)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(Er.upload(Ee,l.uniformsList,y,te),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&v.setValue(Ee,"center",r.center),v.setValue(Ee,"modelViewMatrix",r.modelViewMatrix),v.setValue(Ee,"normalMatrix",r.normalMatrix),v.setValue(Ee,"modelMatrix",r.matrixWorld),g}De.setAnimationLoop((function(e){Te.isPresenting||Ne&&Ne(e)})),"undefined"!=typeof window&&De.setContext(window),this.setAnimationLoop=function(e){Ne=e,Te.setAnimationLoop(e),null===e?De.stop():De.start()},this.render=function(e,t){let n,r;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),r=arguments[3]),void 0!==t&&!0!==t.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===x)return;_e.resetDefaultState(),A=-1,P=null,!0===e.autoUpdate&&e.updateMatrixWorld(),null===t.parent&&t.updateMatrixWorld(),!0===Te.enabled&&!0===Te.isPresenting&&(t=Te.getCamera(t)),!0===e.isScene&&e.onBeforeRender(_,e,t,n||T),m=he.get(e,y.length),m.init(),y.push(m),X.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),V.setFromProjectionMatrix(X),j=this.localClippingEnabled,W=de.init(this.clippingPlanes,j,t),f=ue.get(e,g.length),f.init(),g.push(f),Oe(e,t,0,_.sortObjects),f.finish(),!0===_.sortObjects&&f.sort(U,z),!0===W&&de.beginShadows();const i=m.state.shadowsArray;Le.render(i,e,t),m.setupLights(),m.setupLightsView(t),!0===W&&de.endShadows(),!0===this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),pe.render(f,e,t,r);const a=f.opaque,o=f.transparent;a.length>0&&Ie(a,e,t),o.length>0&&Ie(o,e,t),!0===e.isScene&&e.onAfterRender(_,e,t),null!==T&&(te.updateRenderTargetMipmap(T),te.updateMultisampleRenderTarget(T)),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1),y.pop(),m=y.length>0?y[y.length-1]:null,g.pop(),f=g.length>0?g[g.length-1]:null},this.setFramebuffer=function(e){b!==e&&null===T&&Ee.bindFramebuffer(Ee.FRAMEBUFFER,e),b=e},this.getActiveCubeFace=function(){return E},this.getActiveMipmapLevel=function(){return S},this.getRenderTarget=function(){return T},this.setRenderTarget=function(e,t=0,n=0){T=e,E=t,S=n,e&&void 0===ee.get(e).__webglFramebuffer&&te.setupRenderTarget(e);let r=b,i=!1,a=!1;if(e){const n=e.texture;(n.isDataTexture3D||n.isDataTexture2DArray)&&(a=!0);const o=ee.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(r=o[t],i=!0):r=e.isWebGLMultisampleRenderTarget?ee.get(e).__webglMultisampledFramebuffer:o,C.copy(e.viewport),D.copy(e.scissor),O=e.scissorTest}else C.copy(B).multiplyScalar(F).floor(),D.copy(H).multiplyScalar(F).floor(),O=G;if(L!==r&&(Ee.bindFramebuffer(Ee.FRAMEBUFFER,r),L=r),Q.viewport(C),Q.scissor(D),Q.setScissorTest(O),i){const r=ee.get(e.texture);Ee.framebufferTexture2D(Ee.FRAMEBUFFER,Ee.COLOR_ATTACHMENT0,Ee.TEXTURE_CUBE_MAP_POSITIVE_X+t,r.__webglTexture,n)}else if(a){const r=ee.get(e.texture),i=t||0;Ee.framebufferTextureLayer(Ee.FRAMEBUFFER,Ee.COLOR_ATTACHMENT0,r.__webglTexture,n||0,i)}},this.readRenderTargetPixels=function(e,t,n,r,i,a,o){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let s=ee.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){let o=!1;s!==L&&(Ee.bindFramebuffer(Ee.FRAMEBUFFER,s),o=!0);try{const s=e.texture,l=s.format,c=s.type;if(l!==p&&ye.convert(l)!==Ee.getParameter(Ee.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const d=c===h&&(J.has("EXT_color_buffer_half_float")||K.isWebGL2&&J.has("EXT_color_buffer_float"));if(!(1009===c||ye.convert(c)===Ee.getParameter(Ee.IMPLEMENTATION_COLOR_READ_TYPE)||c===u&&(K.isWebGL2||J.has("OES_texture_float")||J.has("WEBGL_color_buffer_float"))||d))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");Ee.checkFramebufferStatus(Ee.FRAMEBUFFER)===Ee.FRAMEBUFFER_COMPLETE?t>=0&&t<=e.width-r&&n>=0&&n<=e.height-i&&Ee.readPixels(t,n,r,i,ye.convert(l),ye.convert(c),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{o&&Ee.bindFramebuffer(Ee.FRAMEBUFFER,L)}}},this.copyFramebufferToTexture=function(e,t,n=0){const r=Math.pow(2,-n),i=Math.floor(t.image.width*r),a=Math.floor(t.image.height*r),o=ye.convert(t.format);te.setTexture2D(t,0),Ee.copyTexImage2D(Ee.TEXTURE_2D,n,o,e.x,e.y,i,a,0),Q.unbindTexture()},this.copyTextureToTexture=function(e,t,n,r=0){const i=t.image.width,a=t.image.height,o=ye.convert(n.format),s=ye.convert(n.type);te.setTexture2D(n,0),Ee.pixelStorei(Ee.UNPACK_FLIP_Y_WEBGL,n.flipY),Ee.pixelStorei(Ee.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),Ee.pixelStorei(Ee.UNPACK_ALIGNMENT,n.unpackAlignment),t.isDataTexture?Ee.texSubImage2D(Ee.TEXTURE_2D,r,e.x,e.y,i,a,o,s,t.image.data):t.isCompressedTexture?Ee.compressedTexSubImage2D(Ee.TEXTURE_2D,r,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,o,t.mipmaps[0].data):Ee.texSubImage2D(Ee.TEXTURE_2D,r,e.x,e.y,o,s,t.image),0===r&&n.generateMipmaps&&Ee.generateMipmap(Ee.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(e,t,n,r,i=0){if(_.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const{width:a,height:o,data:s}=n.image,l=ye.convert(r.format),c=ye.convert(r.type);let u;if(r.isDataTexture3D)te.setTexture3D(r,0),u=Ee.TEXTURE_3D;else{if(!r.isDataTexture2DArray)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");te.setTexture2DArray(r,0),u=Ee.TEXTURE_2D_ARRAY}Ee.pixelStorei(Ee.UNPACK_FLIP_Y_WEBGL,r.flipY),Ee.pixelStorei(Ee.UNPACK_PREMULTIPLY_ALPHA_WEBGL,r.premultiplyAlpha),Ee.pixelStorei(Ee.UNPACK_ALIGNMENT,r.unpackAlignment);const h=Ee.getParameter(Ee.UNPACK_ROW_LENGTH),d=Ee.getParameter(Ee.UNPACK_IMAGE_HEIGHT),f=Ee.getParameter(Ee.UNPACK_SKIP_PIXELS),p=Ee.getParameter(Ee.UNPACK_SKIP_ROWS),m=Ee.getParameter(Ee.UNPACK_SKIP_IMAGES);Ee.pixelStorei(Ee.UNPACK_ROW_LENGTH,a),Ee.pixelStorei(Ee.UNPACK_IMAGE_HEIGHT,o),Ee.pixelStorei(Ee.UNPACK_SKIP_PIXELS,e.min.x),Ee.pixelStorei(Ee.UNPACK_SKIP_ROWS,e.min.y),Ee.pixelStorei(Ee.UNPACK_SKIP_IMAGES,e.min.z),Ee.texSubImage3D(u,i,t.x,t.y,t.z,e.max.x-e.min.x+1,e.max.y-e.min.y+1,e.max.z-e.min.z+1,l,c,s),Ee.pixelStorei(Ee.UNPACK_ROW_LENGTH,h),Ee.pixelStorei(Ee.UNPACK_IMAGE_HEIGHT,d),Ee.pixelStorei(Ee.UNPACK_SKIP_PIXELS,f),Ee.pixelStorei(Ee.UNPACK_SKIP_ROWS,p),Ee.pixelStorei(Ee.UNPACK_SKIP_IMAGES,m),0===i&&r.generateMipmaps&&Ee.generateMipmap(u),Q.unbindTexture()},this.initTexture=function(e){te.setTexture2D(e,0),Q.unbindTexture()},this.resetState=function(){Q.reset(),_e.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}ci.prototype.isGroup=!0,Object.assign(ui.prototype,{constructor:ui,getHandSpace:function(){return null===this._hand&&(this._hand=new ci,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand},getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new ci,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new ci,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this},disconnect:function(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this},update:function(e,t,n){let r=null,i=null,a=null;const o=this._targetRay,s=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState)if(l&&e.hand){a=!0;for(const r of e.hand.values()){const e=t.getJointPose(r,n);if(void 0===l.joints[r.jointName]){const e=new ci;e.matrixAutoUpdate=!1,e.visible=!1,l.joints[r.jointName]=e,l.add(e)}const i=l.joints[r.jointName];null!==e&&(i.matrix.fromArray(e.transform.matrix),i.matrix.decompose(i.position,i.rotation,i.scale),i.jointRadius=e.radius),i.visible=null!==e}const r=l.joints["index-finger-tip"],i=l.joints["thumb-tip"],o=r.position.distanceTo(i.position),s=.02,c=.005;l.inputState.pinching&&o>s+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&o<=s-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==o&&(r=t.getPose(e.targetRaySpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale))),null!==s&&e.gripSpace&&(i=t.getPose(e.gripSpace,n),null!==i&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale)));return null!==o&&(o.visible=null!==r),null!==s&&(s.visible=null!==i),null!==l&&(l.visible=null!==a),this}}),Object.assign(hi.prototype,E.prototype);class pi extends $e{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return null!==this.background&&(t.object.background=this.background.toJSON(e)),null!==this.environment&&(t.object.environment=this.environment.toJSON(e)),null!==this.fog&&(t.object.fog=this.fog.toJSON()),t}}pi.prototype.isScene=!0;class mi extends dt{constructor(e){super(),this.type="LineBasicMaterial",this.color=new xe(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.morphTargets=e.morphTargets,this}}mi.prototype.isLineBasicMaterial=!0;const gi=new N,vi=new N,yi=new ae,_i=new Mt,xi=new K;function bi(e=new lt,t=new mi){$e.call(this),this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}bi.prototype=Object.assign(Object.create($e.prototype),{constructor:bi,isLine:!0,copy:function(e){return $e.prototype.copy.call(this,e),this.material=e.material,this.geometry=e.geometry,this},computeLineDistances:function(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,n=[0];for(let e=1,r=t.count;e<r;e++)gi.fromBufferAttribute(t,e-1),vi.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=gi.distanceTo(vi);e.setAttribute("lineDistance",new Oe(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this},raycast:function(e,t){const n=this.geometry,r=this.matrixWorld,i=e.params.Line.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),xi.copy(n.boundingSphere),xi.applyMatrix4(r),xi.radius+=i,!1===e.ray.intersectsSphere(xi))return;yi.copy(r).invert(),_i.copy(e.ray).applyMatrix4(yi);const a=i/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,s=new N,l=new N,c=new N,u=new N,h=this.isLineSegments?2:1;if(n.isBufferGeometry){const r=n.index,i=n.attributes.position;if(null!==r){const n=r.array;for(let r=0,a=n.length-1;r<a;r+=h){const a=n[r],h=n[r+1];if(s.fromBufferAttribute(i,a),l.fromBufferAttribute(i,h),_i.distanceSqToSegment(s,l,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const d=e.ray.origin.distanceTo(u);d<e.near||d>e.far||t.push({distance:d,point:c.clone().applyMatrix4(this.matrixWorld),index:r,face:null,faceIndex:null,object:this})}}else for(let n=0,r=i.count-1;n<r;n+=h){if(s.fromBufferAttribute(i,n),l.fromBufferAttribute(i,n+1),_i.distanceSqToSegment(s,l,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const r=e.ray.origin.distanceTo(u);r<e.near||r>e.far||t.push({distance:r,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}});const wi=new N,Ei=new N;function Mi(e,t){bi.call(this,e,t),this.type="LineSegments"}Mi.prototype=Object.assign(Object.create(bi.prototype),{constructor:Mi,isLineSegments:!0,computeLineDistances:function(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,n=[];for(let e=0,r=t.count;e<r;e+=2)wi.fromBufferAttribute(t,e),Ei.fromBufferAttribute(t,e+1),n[e]=0===e?0:n[e-1],n[e+1]=n[e]+wi.distanceTo(Ei);e.setAttribute("lineDistance",new Oe(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}});class Si extends Mi{constructor(e=1){const t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=new lt;n.setAttribute("position",new Oe(t,3)),n.setAttribute("color",new Oe([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3)),super(n,new mi({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}}class Ti extends dn{constructor(e=-1,t=1,n=1,r=-1,i=.1,a=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=r,this.near=i,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}setViewOffset(e,t,n,r,i,a){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,r=(this.top+this.bottom)/2;let i=n-e,a=n+e,o=r+t,s=r-t;if(null!==this.view&&this.view.enabled){const e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;i+=e*this.view.offsetX,a=i+e*this.view.width,o-=t*this.view.offsetY,s=o-t*this.view.height}this.projectionMatrix.makeOrthographic(i,a,o,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=$e.prototype.toJSON.call(this,e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}Ti.prototype.isOrthographicCamera=!0;class Li extends $e{constructor(e,t=1){super(),this.type="Light",this.color=new xe(e),this.intensity=t}copy(e){return super.copy(e),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}Li.prototype.isLight=!0;const Ai=new ae,Pi=new N,Ri=new N;class Ci extends class{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.mapSize=new M(512,512),this.map=null,this.mapPass=null,this.matrix=new ae,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new ie,this._frameExtents=new M(1,1),this._viewportCount=1,this._viewports=[new fe(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,n=this.matrix;Pi.setFromMatrixPosition(e.matrixWorld),t.position.copy(Pi),Ri.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(Ri),t.updateMatrixWorld(),Ai.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Ai),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(t.projectionMatrix),n.multiply(t.matrixWorldInverse)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}{constructor(){super(new Ti(-5,5,5,-5,.5,500))}}Ci.prototype.isDirectionalLightShadow=!0;class Ni extends Li{constructor(e,t){super(e,t),this.type="DirectionalLight",this.position.copy($e.DefaultUp),this.updateMatrix(),this.target=new $e,this.shadow=new Ci}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}Ni.prototype.isDirectionalLight=!0;class Di extends Li{constructor(e,t){super(e,t),this.type="AmbientLight"}}Di.prototype.isAmbientLight=!0;class Oi{constructor(e=1,t=0,n=0){return this.radius=e,this.phi=t,this.theta=n,this}set(e,t,n){return this.radius=e,this.phi=t,this.theta=n,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){const e=1e-6;return this.phi=Math.max(e,Math.min(Math.PI-e,this.phi)),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+t*t+n*n),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,n),this.phi=Math.acos(w.clamp(t/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}var Ii=function(e,t){var n,r,i,a,o,s;void 0===t&&console.warn('THREE.OrbitControls: The second parameter "domElement" is now mandatory.'),t===document&&console.error('THREE.OrbitControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.'),this.object=e,this.domElement=t,this.enabled=!0,this.target=new N,this.minDistance=0,this.maxDistance=1/0,this.minZoom=0,this.maxZoom=1/0,this.minPolarAngle=0,this.maxPolarAngle=Math.PI,this.minAzimuthAngle=-1/0,this.maxAzimuthAngle=1/0,this.enableDamping=!1,this.dampingFactor=.05,this.enableZoom=!0,this.zoomSpeed=1,this.enableRotate=!0,this.rotateSpeed=1,this.enablePan=!0,this.panSpeed=1,this.screenSpacePanning=!0,this.keyPanSpeed=7,this.autoRotate=!1,this.autoRotateSpeed=2,this.keys={LEFT:37,UP:38,RIGHT:39,BOTTOM:40},this.mouseButtons={LEFT:null,MIDDLE:0,RIGHT:2},this.touches={ONE:0,TWO:2},this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.zoom0=this.object.zoom,this._domElementKeyEvents=null,this.getPolarAngle=function(){return m.phi},this.getAzimuthalAngle=function(){return m.theta},this.listenToKeyEvents=function(e){e.addEventListener("keydown",$),this._domElementKeyEvents=e},this.saveState=function(){l.target0.copy(l.target),l.position0.copy(l.object.position),l.zoom0=l.object.zoom},this.reset=function(){l.target.copy(l.target0),l.object.position.copy(l.position0),l.object.zoom=l.zoom0,l.object.updateProjectionMatrix(),l.dispatchEvent(c),l.update(),f=d.NONE},this.update=(n=new N,r=(new C).setFromUnitVectors(e.up,new N(0,1,0)),i=r.clone().invert(),a=new N,o=new C,s=2*Math.PI,function(){var e=l.object.position;n.copy(e).sub(l.target),n.applyQuaternion(r),m.setFromVector3(n),l.autoRotate&&f===d.NONE&&D(2*Math.PI/60/60*l.autoRotateSpeed),l.enableDamping?(m.theta+=g.theta*l.dampingFactor,m.phi+=g.phi*l.dampingFactor):(m.theta+=g.theta,m.phi+=g.phi);var t=l.minAzimuthAngle,u=l.maxAzimuthAngle;return isFinite(t)&&isFinite(u)&&(t<-Math.PI?t+=s:t>Math.PI&&(t-=s),u<-Math.PI?u+=s:u>Math.PI&&(u-=s),m.theta=t<=u?Math.max(t,Math.min(u,m.theta)):m.theta>(t+u)/2?Math.max(t,m.theta):Math.min(u,m.theta)),m.phi=Math.max(l.minPolarAngle,Math.min(l.maxPolarAngle,m.phi)),m.makeSafe(),m.radius*=v,m.radius=Math.max(l.minDistance,Math.min(l.maxDistance,m.radius)),!0===l.enableDamping?l.target.addScaledVector(y,l.dampingFactor):l.target.add(y),n.setFromSpherical(m),n.applyQuaternion(i),e.copy(l.target).add(n),l.object.lookAt(l.target),!0===l.enableDamping?(g.theta*=1-l.dampingFactor,g.phi*=1-l.dampingFactor,y.multiplyScalar(1-l.dampingFactor)):(g.set(0,0,0),y.set(0,0,0)),v=1,!!(_||a.distanceToSquared(l.object.position)>p||8*(1-o.dot(l.object.quaternion))>p)&&(l.dispatchEvent(c),a.copy(l.object.position),o.copy(l.object.quaternion),_=!1,!0)}),this.dispose=function(){l.domElement.removeEventListener("contextmenu",re),l.domElement.removeEventListener("pointerdown",Z),l.domElement.removeEventListener("wheel",Q),l.domElement.removeEventListener("touchstart",ee),l.domElement.removeEventListener("touchend",ne),l.domElement.removeEventListener("touchmove",te),l.domElement.ownerDocument.removeEventListener("pointermove",J),l.domElement.ownerDocument.removeEventListener("pointerup",K),null!==l._domElementKeyEvents&&l._domElementKeyEvents.removeEventListener("keydown",$)};var l=this,c={type:"change"},u={type:"start"},h={type:"end"},d={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,TOUCH_ROTATE:3,TOUCH_PAN:4,TOUCH_DOLLY_PAN:5,TOUCH_DOLLY_ROTATE:6},f=d.NONE,p=1e-6,m=new Oi,g=new Oi,v=1,y=new N,_=!1,x=new M,b=new M,w=new M,E=new M,S=new M,T=new M,L=new M,A=new M,P=new M;function R(){return Math.pow(.95,l.zoomSpeed)}function D(e){g.theta-=e}function O(e){g.phi-=e}var I,k=(I=new N,function(e,t){I.setFromMatrixColumn(t,0),I.multiplyScalar(-e),y.add(I)}),F=function(){var e=new N;return function(t,n){!0===l.screenSpacePanning?e.setFromMatrixColumn(n,1):(e.setFromMatrixColumn(n,0),e.crossVectors(l.object.up,e)),e.multiplyScalar(t),y.add(e)}}(),U=function(){var e=new N;return function(t,n){var r=l.domElement;if(l.object.isPerspectiveCamera){var i=l.object.position;e.copy(i).sub(l.target);var a=e.length();a*=Math.tan(l.object.fov/2*Math.PI/180),k(2*t*a/r.clientHeight,l.object.matrix),F(2*n*a/r.clientHeight,l.object.matrix)}else l.object.isOrthographicCamera?(k(t*(l.object.right-l.object.left)/l.object.zoom/r.clientWidth,l.object.matrix),F(n*(l.object.top-l.object.bottom)/l.object.zoom/r.clientHeight,l.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),l.enablePan=!1)}}();function z(e){l.object.isPerspectiveCamera?v/=e:l.object.isOrthographicCamera?(l.object.zoom=Math.max(l.minZoom,Math.min(l.maxZoom,l.object.zoom*e)),l.object.updateProjectionMatrix(),_=!0):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),l.enableZoom=!1)}function B(e){l.object.isPerspectiveCamera?v*=e:l.object.isOrthographicCamera?(l.object.zoom=Math.max(l.minZoom,Math.min(l.maxZoom,l.object.zoom/e)),l.object.updateProjectionMatrix(),_=!0):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),l.enableZoom=!1)}function H(e){x.set(e.clientX,e.clientY)}function G(e){E.set(e.clientX,e.clientY)}function V(e){if(1==e.touches.length)x.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);x.set(t,n)}}function W(e){if(1==e.touches.length)E.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);E.set(t,n)}}function j(e){var t=e.touches[0].pageX-e.touches[1].pageX,n=e.touches[0].pageY-e.touches[1].pageY,r=Math.sqrt(t*t+n*n);L.set(0,r)}function X(e){if(1==e.touches.length)b.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);b.set(t,n)}w.subVectors(b,x).multiplyScalar(l.rotateSpeed);var r=l.domElement;D(2*Math.PI*w.x/r.clientHeight),O(2*Math.PI*w.y/r.clientHeight),x.copy(b)}function Y(e){if(1==e.touches.length)S.set(e.touches[0].pageX,e.touches[0].pageY);else{var t=.5*(e.touches[0].pageX+e.touches[1].pageX),n=.5*(e.touches[0].pageY+e.touches[1].pageY);S.set(t,n)}T.subVectors(S,E).multiplyScalar(l.panSpeed),U(T.x,T.y),E.copy(S)}function q(e){var t=e.touches[0].pageX-e.touches[1].pageX,n=e.touches[0].pageY-e.touches[1].pageY,r=Math.sqrt(t*t+n*n);A.set(0,r),P.set(0,Math.pow(A.y/L.y,l.zoomSpeed)),z(P.y),L.copy(A)}function Z(e){if(!1!==l.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){var t;switch(e.preventDefault(),l.domElement.focus?l.domElement.focus():window.focus(),e.button){case 0:t=l.mouseButtons.LEFT;break;case 1:t=l.mouseButtons.MIDDLE;break;case 2:t=l.mouseButtons.RIGHT;break;default:t=-1}switch(t){case 1:if(!1===l.enableZoom)return;!function(e){L.set(e.clientX,e.clientY)}(e),f=d.DOLLY;break;case 0:if(e.ctrlKey||e.metaKey||e.shiftKey){if(!1===l.enablePan)return;G(e),f=d.PAN}else{if(!1===l.enableRotate)return;H(e),f=d.ROTATE}break;case 2:if(e.ctrlKey||e.metaKey||e.shiftKey){if(!1===l.enableRotate)return;H(e),f=d.ROTATE}else{if(!1===l.enablePan)return;G(e),f=d.PAN}break;default:f=d.NONE}f!==d.NONE&&(l.domElement.ownerDocument.addEventListener("pointermove",J),l.domElement.ownerDocument.addEventListener("pointerup",K),l.dispatchEvent(u))}(e)}}function J(e){if(!1!==l.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){if(!1!==l.enabled)switch(e.preventDefault(),f){case d.ROTATE:if(!1===l.enableRotate)return;!function(e){b.set(e.clientX,e.clientY),w.subVectors(b,x).multiplyScalar(l.rotateSpeed);var t=l.domElement;D(2*Math.PI*w.x/t.clientHeight),O(2*Math.PI*w.y/t.clientHeight),x.copy(b),l.update()}(e);break;case d.DOLLY:if(!1===l.enableZoom)return;!function(e){A.set(e.clientX,e.clientY),P.subVectors(A,L),P.y>0?z(R()):P.y<0&&B(R()),L.copy(A),l.update()}(e);break;case d.PAN:if(!1===l.enablePan)return;!function(e){S.set(e.clientX,e.clientY),T.subVectors(S,E).multiplyScalar(l.panSpeed),U(T.x,T.y),E.copy(S),l.update()}(e)}}(e)}}function K(e){switch(e.pointerType){case"mouse":case"pen":l.domElement.ownerDocument.removeEventListener("pointermove",J),l.domElement.ownerDocument.removeEventListener("pointerup",K),!1!==l.enabled&&(l.dispatchEvent(h),f=d.NONE)}}function Q(e){!1===l.enabled||!1===l.enableZoom||f!==d.NONE&&f!==d.ROTATE||(e.preventDefault(),e.stopPropagation(),l.dispatchEvent(u),function(e){e.deltaY<0?B(R()):e.deltaY>0&&z(R()),l.update()}(e),l.dispatchEvent(h))}function $(e){!1!==l.enabled&&!1!==l.enablePan&&function(e){var t=!1;switch(e.keyCode){case l.keys.UP:U(0,l.keyPanSpeed),t=!0;break;case l.keys.BOTTOM:U(0,-l.keyPanSpeed),t=!0;break;case l.keys.LEFT:U(l.keyPanSpeed,0),t=!0;break;case l.keys.RIGHT:U(-l.keyPanSpeed,0),t=!0}t&&(e.preventDefault(),l.update())}(e)}function ee(e){if(!1!==l.enabled){switch(e.preventDefault(),e.touches.length){case 1:switch(l.touches.ONE){case 0:if(!1===l.enableRotate)return;V(e),f=d.TOUCH_ROTATE;break;case 1:if(!1===l.enablePan)return;W(e),f=d.TOUCH_PAN;break;default:f=d.NONE}break;case 2:switch(l.touches.TWO){case 2:if(!1===l.enableZoom&&!1===l.enablePan)return;!function(e){l.enableZoom&&j(e),l.enablePan&&W(e)}(e),f=d.TOUCH_DOLLY_PAN;break;case 3:if(!1===l.enableZoom&&!1===l.enableRotate)return;!function(e){l.enableZoom&&j(e),l.enableRotate&&V(e)}(e),f=d.TOUCH_DOLLY_ROTATE;break;default:f=d.NONE}break;default:f=d.NONE}f!==d.NONE&&l.dispatchEvent(u)}}function te(e){if(!1!==l.enabled)switch(e.preventDefault(),e.stopPropagation(),f){case d.TOUCH_ROTATE:if(!1===l.enableRotate)return;X(e),l.update();break;case d.TOUCH_PAN:if(!1===l.enablePan)return;Y(e),l.update();break;case d.TOUCH_DOLLY_PAN:if(!1===l.enableZoom&&!1===l.enablePan)return;!function(e){l.enableZoom&&q(e),l.enablePan&&Y(e)}(e),l.update();break;case d.TOUCH_DOLLY_ROTATE:if(!1===l.enableZoom&&!1===l.enableRotate)return;!function(e){l.enableZoom&&q(e),l.enableRotate&&X(e)}(e),l.update();break;default:f=d.NONE}}function ne(e){!1!==l.enabled&&(l.dispatchEvent(h),f=d.NONE)}function re(e){!1!==l.enabled&&e.preventDefault()}l.domElement.addEventListener("contextmenu",re),l.domElement.addEventListener("pointerdown",Z),l.domElement.addEventListener("wheel",Q),l.domElement.addEventListener("touchstart",ee),l.domElement.addEventListener("touchend",ne),l.domElement.addEventListener("touchmove",te),this.update()};(Ii.prototype=Object.create(E.prototype)).constructor=Ii;var ki=function(e,t){Ii.call(this,e,t),this.screenSpacePanning=!1,this.mouseButtons.LEFT=2,this.mouseButtons.RIGHT=0,this.touches.ONE=1,this.touches.TWO=3};(ki.prototype=Object.create(E.prototype)).constructor=ki;var Fi=function(e,t){void 0===t&&console.warn('THREE.TrackballControls: The second parameter "domElement" is now mandatory.'),t===document&&console.error('THREE.TrackballControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.');var n=this,r=-1;this.object=e,this.domElement=t,this.enabled=!0,this.screen={left:0,top:0,width:0,height:0},this.rotateSpeed=3,this.zoomSpeed=1.2,this.panSpeed=70,this.noRotate=!1,this.noZoom=!1,this.noPan=!1,this.staticMoving=!0,this.dynamicDampingFactor=.2,this.minDistance=0,this.maxDistance=1/0,this.keys=[65,83,68],this.mouseButtons={LEFT:null,MIDDLE:0,RIGHT:2},this.target=new N;var i=1e-6,a=new N,o=1,s=r,l=r,c=new N,u=new M,h=new M,d=new N,f=0,p=new M,m=new M,g=0,v=0,y=new M,_=new M;this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.up0=this.object.up.clone(),this.zoom0=this.object.zoom;var x={type:"change"},b={type:"start"},w={type:"end"};this.handleResize=function(){var e=n.domElement.getBoundingClientRect(),t=n.domElement.ownerDocument.documentElement;n.screen.left=e.left+window.pageXOffset-t.clientLeft,n.screen.top=e.top+window.pageYOffset-t.clientTop,n.screen.width=e.width,n.screen.height=e.height};var E,S,T,L,A,P,R,D,O,I,k,F=(E=new M,function(e,t){return E.set((e-n.screen.left)/n.screen.width,(t-n.screen.top)/n.screen.height),E}),U=function(){var e=new M;return function(t,r){return e.set((t-.5*n.screen.width-n.screen.left)/(.5*n.screen.width),(n.screen.height+2*(n.screen.top-r))/n.screen.width),e}}();function z(e){if(!1!==n.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){if(e.preventDefault(),e.stopPropagation(),s===r)switch(e.button){case 0:s=n.mouseButtons.LEFT;break;case 1:s=n.mouseButtons.MIDDLE;break;case 2:s=n.mouseButtons.RIGHT;break;default:s=r}var t=l!==r?l:s;0!==t||n.noRotate?1!==t||n.noZoom?2!==t||n.noPan||(y.copy(F(e.pageX,e.pageY)),_.copy(y)):(p.copy(F(e.pageX,e.pageY)),m.copy(p)):(h.copy(U(e.pageX,e.pageY)),u.copy(h)),n.domElement.ownerDocument.addEventListener("pointermove",B),n.domElement.ownerDocument.addEventListener("pointerup",H),n.dispatchEvent(b)}(e)}}function B(e){if(!1!==n.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){if(!1!==n.enabled){e.preventDefault(),e.stopPropagation();var t=l!==r?l:s;0!==t||n.noRotate?1!==t||n.noZoom?2!==t||n.noPan||_.copy(F(e.pageX,e.pageY)):m.copy(F(e.pageX,e.pageY)):(u.copy(h),h.copy(U(e.pageX,e.pageY))),n.update()}}(e)}}function H(e){if(!1!==n.enabled)switch(e.pointerType){case"mouse":case"pen":!function(e){!1!==n.enabled&&(e.preventDefault(),e.stopPropagation(),s=r,n.domElement.ownerDocument.removeEventListener("pointermove",B),n.domElement.ownerDocument.removeEventListener("pointerup",H),n.dispatchEvent(w))}(e)}}function G(e){!1!==n.enabled&&(window.removeEventListener("keydown",G),l===r&&(e.keyCode!==n.keys[0]||n.noRotate?e.keyCode!==n.keys[1]||n.noZoom?e.keyCode!==n.keys[2]||n.noPan||(l=2):l=1:l=0))}function V(){!1!==n.enabled&&(l=r,window.addEventListener("keydown",G))}function W(e){if(!1!==n.enabled&&!0!==n.noZoom){switch(e.preventDefault(),e.stopPropagation(),e.deltaMode){case 2:p.y-=.025*e.deltaY;break;case 1:p.y-=.01*e.deltaY;break;default:p.y-=25e-5*e.deltaY}n.update(),n.dispatchEvent(b),n.dispatchEvent(w)}}function j(e){if(!1!==n.enabled){switch(e.preventDefault(),e.touches.length){case 1:s=3,h.copy(U(e.touches[0].pageX,e.touches[0].pageY)),u.copy(h);break;default:s=4;var t=e.touches[0].pageX-e.touches[1].pageX,r=e.touches[0].pageY-e.touches[1].pageY;v=g=Math.sqrt(t*t+r*r);var i=(e.touches[0].pageX+e.touches[1].pageX)/2,a=(e.touches[0].pageY+e.touches[1].pageY)/2;y.copy(F(i,a)),_.copy(y)}n.dispatchEvent(b)}}function X(e){if(!1!==n.enabled)switch(e.preventDefault(),e.stopPropagation(),e.touches.length){case 1:u.copy(h),h.copy(U(e.touches[0].pageX,e.touches[0].pageY));break;default:var t=e.touches[0].pageX-e.touches[1].pageX,r=e.touches[0].pageY-e.touches[1].pageY;v=Math.sqrt(t*t+r*r);var i=(e.touches[0].pageX+e.touches[1].pageX)/2,a=(e.touches[0].pageY+e.touches[1].pageY)/2;_.copy(F(i,a))}}function Y(e){if(!1!==n.enabled){switch(e.touches.length){case 0:s=r;break;case 1:s=3,h.copy(U(e.touches[0].pageX,e.touches[0].pageY)),u.copy(h)}n.dispatchEvent(w)}}function q(e){!1!==n.enabled&&e.preventDefault()}this.rotateCamera=(T=new N,L=new C,A=new N,P=new N,R=new N,D=new N,function(){D.set(h.x-u.x,h.y-u.y,0),(S=D.length())?(c.copy(n.object.position).sub(n.target),A.copy(c).normalize(),P.copy(n.object.up).normalize(),R.crossVectors(P,A).normalize(),P.setLength(h.y-u.y),R.setLength(h.x-u.x),D.copy(P.add(R)),T.crossVectors(D,c).normalize(),S*=n.rotateSpeed,L.setFromAxisAngle(T,S),c.applyQuaternion(L),n.object.up.applyQuaternion(L),d.copy(T),f=S):!n.staticMoving&&f&&(f*=Math.sqrt(1-n.dynamicDampingFactor),c.copy(n.object.position).sub(n.target),L.setFromAxisAngle(d,f),c.applyQuaternion(L),n.object.up.applyQuaternion(L)),u.copy(h)}),this.zoomCamera=function(){var e;4===s?(e=g/v,g=v,n.object.isPerspectiveCamera?c.multiplyScalar(e):n.object.isOrthographicCamera?(n.object.zoom*=e,n.object.updateProjectionMatrix()):console.warn("THREE.TrackballControls: Unsupported camera type")):(1!=(e=1+(m.y-p.y)*n.zoomSpeed)&&e>0&&(n.object.isPerspectiveCamera?c.multiplyScalar(e):n.object.isOrthographicCamera?(n.object.zoom/=e,n.object.updateProjectionMatrix()):console.warn("THREE.TrackballControls: Unsupported camera type")),n.staticMoving?p.copy(m):p.y+=(m.y-p.y)*this.dynamicDampingFactor)},this.panCamera=(O=new M,I=new N,k=new N,function(){if(O.copy(_).sub(y),O.lengthSq()){if(n.object.isOrthographicCamera){var e=(n.object.right-n.object.left)/n.object.zoom/n.domElement.clientWidth,t=(n.object.top-n.object.bottom)/n.object.zoom/n.domElement.clientWidth;O.x*=e,O.y*=t}O.multiplyScalar(c.length()*n.panSpeed),k.copy(c).cross(n.object.up).setLength(O.x),k.add(I.copy(n.object.up).setLength(O.y)),n.object.position.add(k),n.target.add(k),n.staticMoving?y.copy(_):y.add(O.subVectors(_,y).multiplyScalar(n.dynamicDampingFactor))}}),this.checkDistances=function(){n.noZoom&&n.noPan||(c.lengthSq()>n.maxDistance*n.maxDistance&&(n.object.position.addVectors(n.target,c.setLength(n.maxDistance)),p.copy(m)),c.lengthSq()<n.minDistance*n.minDistance&&(n.object.position.addVectors(n.target,c.setLength(n.minDistance)),p.copy(m)))},this.update=function(){c.subVectors(n.object.position,n.target),n.noRotate||n.rotateCamera(),n.noZoom||n.zoomCamera(),n.noPan||n.panCamera(),n.object.position.addVectors(n.target,c),n.object.isPerspectiveCamera?(n.checkDistances(),n.object.lookAt(n.target),a.distanceToSquared(n.object.position)>i&&(n.dispatchEvent(x),a.copy(n.object.position))):n.object.isOrthographicCamera?(n.object.lookAt(n.target),(a.distanceToSquared(n.object.position)>i||o!==n.object.zoom)&&(n.dispatchEvent(x),a.copy(n.object.position),o=n.object.zoom)):console.warn("THREE.TrackballControls: Unsupported camera type")},this.reset=function(){s=r,l=r,n.target.copy(n.target0),n.object.position.copy(n.position0),n.object.up.copy(n.up0),n.object.zoom=n.zoom0,n.object.updateProjectionMatrix(),c.subVectors(n.object.position,n.target),n.object.lookAt(n.target),n.dispatchEvent(x),a.copy(n.object.position),o=n.object.zoom},this.dispose=function(){n.domElement.removeEventListener("contextmenu",q),n.domElement.removeEventListener("pointerdown",z),n.domElement.removeEventListener("wheel",W),n.domElement.removeEventListener("touchstart",j),n.domElement.removeEventListener("touchend",Y),n.domElement.removeEventListener("touchmove",X),n.domElement.ownerDocument.removeEventListener("pointermove",B),n.domElement.ownerDocument.removeEventListener("pointerup",H),window.removeEventListener("keydown",G),window.removeEventListener("keyup",V)},this.domElement.addEventListener("contextmenu",q),this.domElement.addEventListener("pointerdown",z),this.domElement.addEventListener("wheel",W),this.domElement.addEventListener("touchstart",j),this.domElement.addEventListener("touchend",Y),this.domElement.addEventListener("touchmove",X),this.domElement.ownerDocument.addEventListener("pointermove",B),this.domElement.ownerDocument.addEventListener("pointerup",H),window.addEventListener("keydown",G),window.addEventListener("keyup",V),this.handleResize(),this.update()};(Fi.prototype=Object.create(E.prototype)).constructor=Fi;class Ui extends dt{constructor(e){super(),this.type="PointsMaterial",this.color=new xe(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.morphTargets=e.morphTargets,this}}Ui.prototype.isPointsMaterial=!0;class zi extends bi{constructor(e,t=1,n=16776960){const r=n,i=new lt;i.setAttribute("position",new Oe([1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],3)),i.computeBoundingSphere(),super(i,new mi({color:r,toneMapped:!1})),this.type="PlaneHelper",this.plane=e,this.size=t;const a=new lt;a.setAttribute("position",new Oe([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3)),a.computeBoundingSphere(),this.add(new en(a,new kt({color:r,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){let t=-this.plane.constant;Math.abs(t)<1e-8&&(t=1e-8),this.scale.set(.5*this.size,.5*this.size,t),this.children[0].material.side=t<0?1:0,this.lookAt(this.plane.normal),super.updateMatrixWorld(e)}}function Bi(e,t,n=0,r=1/0){this.ray=new Mt(e,t),this.near=n,this.far=r,this.camera=null,this.layers=new ze,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}},Object.defineProperties(this.params,{PointCloud:{get:function(){return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),this.Points}}})}function Hi(e,t){return e.distance-t.distance}function Gi(e,t,n,r){if(e.layers.test(t.layers)&&e.raycast(t,n),!0===r){const r=e.children;for(let e=0,i=r.length;e<i;e++)Gi(r[e],t,n,!0)}}Object.assign(Bi.prototype,{set:function(e,t){this.ray.set(e,t)},setFromCamera:function(e,t){t&&t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t&&t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):console.error("THREE.Raycaster: Unsupported camera type: "+t.type)},intersectObject:function(e,t=!1,n=[]){return Gi(e,this,n,t),n.sort(Hi),n},intersectObjects:function(e,t=!1,n=[]){for(let r=0,i=e.length;r<i;r++)Gi(e[r],this,n,t);return n.sort(Hi),n}});const Vi=new ae,Wi=new Mt,ji=new K,Xi=new N;function Yi(e=new lt,t=new Ui){$e.call(this),this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}function qi(e,t,n,r,i,a,o){const s=Wi.distanceSqToPoint(e);if(s<n){const n=new N;Wi.closestPointToPoint(e,n),n.applyMatrix4(r);const l=i.ray.origin.distanceTo(n);if(l<i.near||l>i.far)return;a.push({distance:l,distanceToRay:Math.sqrt(s),point:n,index:t,face:null,object:o})}}function Zi(e,t,n,r=36){const i=[e[0]-n[0],e[1]-n[1]],a=[t[0]-n[0],t[1]-n[1]];let o=Math.atan2(i[1],i[0]),s=Math.atan2(a[1],a[0]);const l=Math.sqrt(i[0]**2+i[1]**2);let c=s-o;c<0&&(c+=2*Math.PI);let u=new Float32Array(3*(r+1));for(let e=0;e<=r;e++){const t=o+e/r*c;u[3*e]=n[0]+l*Math.cos(t),u[3*e+1]=n[1]+l*Math.sin(t)}return u}function Ji(e){const t=(new lt).setAttribute("position",new Se(new Float32Array(3),3)),n=new Yi(t,(new Ui).copy(oo));n.matrixAutoUpdate=!1,n.constraints=new Set;const r=new Yi((new lt).setAttribute("position",new Se(new Float32Array(3),3)),(new Ui).copy(oo));r.matrixAutoUpdate=!1,r.constraints=new Set;const i=(new lt).setAttribute("position",new Se(new Float32Array(6),3)),a=new bi(i,(new mi).copy(ao));return a.matrixAutoUpdate=!1,a.frustumCulled=!1,a.constraints=new Set,i.attributes.position.set(e),t.attributes.position.set(e),this.subsequent&&(this.constraints.set(++this.c_id,["coincident",-1,[this.sketch.children[this.sketch.children.length-2],n,-1,-1]]),n.constraints.add(this.c_id),this.sketch.children[this.sketch.children.length-2].constraints.add(this.c_id)),[n,r,a]}function Ki(e){if(1!==e.buttons)return;this.domElement.removeEventListener("pointerdown",this.drawOnClick1);const t=this.getLocation(e);"line"==this.mode?this.toPush=Ji.call(this,t):"arc"==this.mode&&(this.toPush=function(e){const t=new Yi((new lt).setAttribute("position",new Se(new Float32Array(e),3)),(new Ui).copy(oo));t.matrixAutoUpdate=!1,t.constraints=new Set;const n=new Yi((new lt).setAttribute("position",new Se(new Float32Array(3),3)),(new Ui).copy(oo));n.matrixAutoUpdate=!1,n.constraints=new Set;const r=new bi((new lt).setAttribute("position",new Se(new Float32Array(111),3)),(new mi).copy(ao));return r.frustumCulled=!1,[t,n,new Yi((new lt).setAttribute("position",new Se(new Float32Array(3),3)),(new Ui).copy(oo)),r]}(t)),this.updatePoint=this.sketch.children.length,this.sketch.add(...this.toPush),this.linkedObjs.set(this.l_id,[this.mode,this.toPush]);for(let e of this.toPush)e.l_id=this.l_id;this.l_id+=1,this.domElement.addEventListener("pointermove",this.drawPreClick2),this.domElement.addEventListener("pointerdown",this.drawOnClick2)}function Qi(e){const t=this.getLocation(e);"line"==this.mode?function(e,t){const[n,r,i]=t;r.geometry.attributes.position.set(e),r.geometry.attributes.position.needsUpdate=!0,r.geometry.computeBoundingSphere(),i.geometry.attributes.position.set(e,3),i.geometry.attributes.position.needsUpdate=!0}(t,this.toPush):"arc"==this.mode&&function(e,t){const[n,r,i,a]=t;r.geometry.attributes.position.set(e),r.geometry.attributes.position.needsUpdate=!0,r.geometry.computeBoundingSphere();const[o,s]=function(e,t,n=36){const r=t[0]-e[0],i=t[1]-e[1],a=Math.sqrt(r**2+i**2),o=(Math.atan2(i,r)-Math.PI/2)%(2*Math.PI);let s=o-Math.PI/6,l=o+Math.PI/6;s=s<0?s+2*Math.PI:s,l=l<0?l+2*Math.PI:s;const c=Math.tan(Math.PI/3),u=(e[0]+t[0]-i*c)/2,h=(e[1]+t[1]+r*c)/2,d=a,f=Math.PI/3;let p=new Float32Array(3*(n+1));for(let e=0;e<=n;e++){const t=s+e/n*f;p[3*e]=u+d*Math.cos(t),p[3*e+1]=h+d*Math.sin(t)}return[p,[u,h]]}(n.geometry.attributes.position.array,r.geometry.attributes.position.array);a.geometry.attributes.position.set(o),a.geometry.attributes.position.needsUpdate=!0,i.geometry.attributes.position.set(s),i.geometry.attributes.position.needsUpdate=!0,i.geometry.computeBoundingSphere()}(t,this.toPush),this.dispatchEvent({type:"change"})}function $i(e){1===e.buttons&&(this.domElement.removeEventListener("pointermove",this.drawPreClick2),this.domElement.removeEventListener("pointerdown",this.drawOnClick2),this.updatePointsBuffer(this.updatePoint),this.updateOtherBuffers(),"line"==this.mode?(this.subsequent=!0,this.drawOnClick1(e)):this.mode)}function ea(){""!=this.mode&&"line"==this.mode&&(this.domElement.removeEventListener("pointerdown",this.drawOnClick1),this.domElement.removeEventListener("pointermove",this.drawPreClick2),this.domElement.removeEventListener("pointerdown",this.drawOnClick2),this.delete(this.sketch.children[this.sketch.children.length-1]),this.dispatchEvent({type:"change"}),this.subsequent=!1)}function ta(e){if(this.mode||e.buttons)return;this.raycaster.setFromCamera(new M(e.clientX/window.innerWidth*2-1,-e.clientY/window.innerHeight*2+1),this.camera);const t=this.raycaster.intersectObjects(this.sketch.children);let n=[];if(t.length){let e=1/0;for(let r=0;r<t.length;r++)t[r].distanceToRay&&(t[r].distanceToRay<e?(e=t[r].distanceToRay,n=[r]):t[r].distanceToRay==e&&n.push(r));n.length||n.push(0)}if(n.length){if(t[n[0]].object!=this.hovered[0]){for(let e of this.hovered)e&&!this.selected.has(e)&&e.material.color.set(5592405);this.hovered=[];for(let e of n)t[e].object.material.color.set(65280),this.hovered.push(t[e].object);this.dispatchEvent({type:"change"})}}else if(this.hovered.length){for(let e of this.hovered)e&&!this.selected.has(e)&&e.material.color.set(5592405);this.hovered=[],this.dispatchEvent({type:"change"})}}function na(e){if(!this.mode&&1==e.buttons)if(this.hovered.length){for(let e of this.hovered)this.selected.add(e);"Points"==this.hovered[0].type&&(this.domElement.addEventListener("pointermove",this.onDrag),this.domElement.addEventListener("pointerup",this.onRelease))}else{for(let e of this.selected)e.material.color.set(5592405);this.dispatchEvent({type:"change"}),this.selected.clear()}}function ra(e){const t=this.getLocation(e);for(let e of this.hovered)this.ptsBuf.set(t,3*this.objIdx.get(e.id));this.solve(),this.dispatchEvent({type:"change"})}function ia(){this.domElement.removeEventListener("pointermove",this.onDrag),this.domElement.removeEventListener("pointerup",this.onRelease);for(let e of this.hovered)e.geometry.computeBoundingSphere()}function aa(){const e=new Set,t=[];for(let n of this.selected){const r=n.geometry.attributes.position.array[0];e.has(r)||(t.push(n),e.add(r))}for(let e=1;e<t.length;e++)this.constraints.set(++this.c_id,["coincident",-1,[t[e-1],t[e],-1,-1]]),t[e].constraints.add(this.c_id),t[e-1].constraints.add(this.c_id)}function oa(){this.type="Curve",this.arcLengthDivisions=200}Yi.prototype=Object.assign(Object.create($e.prototype),{constructor:Yi,isPoints:!0,copy:function(e){return $e.prototype.copy.call(this,e),this.material=e.material,this.geometry=e.geometry,this},raycast:function(e,t){const n=this.geometry,r=this.matrixWorld,i=e.params.Points.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),ji.copy(n.boundingSphere),ji.applyMatrix4(r),ji.radius+=i,!1===e.ray.intersectsSphere(ji))return;Vi.copy(r).invert(),Wi.copy(e.ray).applyMatrix4(Vi);const a=i/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a;if(n.isBufferGeometry){const i=n.index,a=n.attributes.position;if(null!==i){const n=i.array;for(let i=0,s=n.length;i<s;i++){const s=n[i];Xi.fromBufferAttribute(a,s),qi(Xi,s,o,r,e,t,this)}}else for(let n=0,i=a.count;n<i;n++)Xi.fromBufferAttribute(a,n),qi(Xi,n,o,r,e,t,this)}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}),Object.assign(oa.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(e,t){const n=this.getUtoTmapping(e);return this.getPoint(n,t)},getPoints:function(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t},getSpacedPoints:function(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t},getLength:function(){const e=this.getLengths();return e[e.length-1]},getLengths:function(e){if(void 0===e&&(e=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let n,r=this.getPoint(0),i=0;t.push(0);for(let a=1;a<=e;a++)n=this.getPoint(a/e),i+=n.distanceTo(r),t.push(i),r=n;return this.cacheArcLengths=t,t},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(e,t){const n=this.getLengths();let r=0;const i=n.length;let a;a=t||e*n[i-1];let o,s=0,l=i-1;for(;s<=l;)if(r=Math.floor(s+(l-s)/2),o=n[r]-a,o<0)s=r+1;else{if(!(o>0)){l=r;break}l=r-1}if(r=l,n[r]===a)return r/(i-1);const c=n[r];return(r+(a-c)/(n[r+1]-c))/(i-1)},getTangent:function(e,t){const n=1e-4;let r=e-n,i=e+n;r<0&&(r=0),i>1&&(i=1);const a=this.getPoint(r),o=this.getPoint(i),s=t||(a.isVector2?new M:new N);return s.copy(o).sub(a).normalize(),s},getTangentAt:function(e,t){const n=this.getUtoTmapping(e);return this.getTangent(n,t)},computeFrenetFrames:function(e,t){const n=new N,r=[],i=[],a=[],o=new N,s=new ae;for(let t=0;t<=e;t++){const n=t/e;r[t]=this.getTangentAt(n,new N),r[t].normalize()}i[0]=new N,a[0]=new N;let l=Number.MAX_VALUE;const c=Math.abs(r[0].x),u=Math.abs(r[0].y),h=Math.abs(r[0].z);c<=l&&(l=c,n.set(1,0,0)),u<=l&&(l=u,n.set(0,1,0)),h<=l&&n.set(0,0,1),o.crossVectors(r[0],n).normalize(),i[0].crossVectors(r[0],o),a[0].crossVectors(r[0],i[0]);for(let t=1;t<=e;t++){if(i[t]=i[t-1].clone(),a[t]=a[t-1].clone(),o.crossVectors(r[t-1],r[t]),o.length()>Number.EPSILON){o.normalize();const e=Math.acos(w.clamp(r[t-1].dot(r[t]),-1,1));i[t].applyMatrix4(s.makeRotationAxis(o,e))}a[t].crossVectors(r[t],i[t])}if(!0===t){let t=Math.acos(w.clamp(i[0].dot(i[e]),-1,1));t/=e,r[0].dot(o.crossVectors(i[0],i[e]))>0&&(t=-t);for(let n=1;n<=e;n++)i[n].applyMatrix4(s.makeRotationAxis(r[n],t*n)),a[n].crossVectors(r[n],i[n])}return{tangents:r,normals:i,binormals:a}},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this},toJSON:function(){const e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e},fromJSON:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}});class sa extends oa{constructor(e=0,t=0,n=1,r=1,i=0,a=2*Math.PI,o=!1,s=0){super(),this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=r,this.aStartAngle=i,this.aEndAngle=a,this.aClockwise=o,this.aRotation=s}getPoint(e,t){const n=t||new M,r=2*Math.PI;let i=this.aEndAngle-this.aStartAngle;const a=Math.abs(i)<Number.EPSILON;for(;i<0;)i+=r;for(;i>r;)i-=r;i<Number.EPSILON&&(i=a?0:r),!0!==this.aClockwise||a||(i===r?i=-r:i-=r);const o=this.aStartAngle+e*i;let s=this.aX+this.xRadius*Math.cos(o),l=this.aY+this.yRadius*Math.sin(o);if(0!==this.aRotation){const e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),n=s-this.aX,r=l-this.aY;s=n*e-r*t+this.aX,l=n*t+r*e+this.aY}return n.set(s,l)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){const e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}sa.prototype.isEllipseCurve=!0;class la extends sa{constructor(e,t,n,r,i,a){super(e,t,n,n,r,i,a),this.type="ArcCurve"}}function ca(){let e=0,t=0,n=0,r=0;function i(i,a,o,s){e=i,t=o,n=-3*i+3*a-2*o-s,r=2*i-2*a+o+s}return{initCatmullRom:function(e,t,n,r,a){i(t,n,a*(n-e),a*(r-t))},initNonuniformCatmullRom:function(e,t,n,r,a,o,s){let l=(t-e)/a-(n-e)/(a+o)+(n-t)/o,c=(n-t)/o-(r-t)/(o+s)+(r-n)/s;l*=o,c*=o,i(t,n,l,c)},calc:function(i){const a=i*i;return e+t*i+n*a+r*(a*i)}}}la.prototype.isArcCurve=!0;const ua=new N,ha=new ca,da=new ca,fa=new ca;class pa extends oa{constructor(e=[],t=!1,n="centripetal",r=.5){super(),this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=r}getPoint(e,t=new N){const n=t,r=this.points,i=r.length,a=(i-(this.closed?0:1))*e;let o,s,l=Math.floor(a),c=a-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/i)+1)*i:0===c&&l===i-1&&(l=i-2,c=1),this.closed||l>0?o=r[(l-1)%i]:(ua.subVectors(r[0],r[1]).add(r[0]),o=ua);const u=r[l%i],h=r[(l+1)%i];if(this.closed||l+2<i?s=r[(l+2)%i]:(ua.subVectors(r[i-1],r[i-2]).add(r[i-1]),s=ua),"centripetal"===this.curveType||"chordal"===this.curveType){const e="chordal"===this.curveType?.5:.25;let t=Math.pow(o.distanceToSquared(u),e),n=Math.pow(u.distanceToSquared(h),e),r=Math.pow(h.distanceToSquared(s),e);n<1e-4&&(n=1),t<1e-4&&(t=n),r<1e-4&&(r=n),ha.initNonuniformCatmullRom(o.x,u.x,h.x,s.x,t,n,r),da.initNonuniformCatmullRom(o.y,u.y,h.y,s.y,t,n,r),fa.initNonuniformCatmullRom(o.z,u.z,h.z,s.z,t,n,r)}else"catmullrom"===this.curveType&&(ha.initCatmullRom(o.x,u.x,h.x,s.x,this.tension),da.initCatmullRom(o.y,u.y,h.y,s.y,this.tension),fa.initCatmullRom(o.z,u.z,h.z,s.z,this.tension));return n.set(ha.calc(c),da.calc(c),fa.calc(c)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new N).fromArray(n))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}}function ma(e,t,n,r,i){const a=.5*(r-t),o=.5*(i-n),s=e*e;return(2*n-2*r+a+o)*(e*s)+(-3*n+3*r-2*a-o)*s+a*e+n}function ga(e,t,n,r){return function(e,t){const n=1-e;return n*n*t}(e,t)+function(e,t){return 2*(1-e)*e*t}(e,n)+function(e,t){return e*e*t}(e,r)}function va(e,t,n,r,i){return function(e,t){const n=1-e;return n*n*n*t}(e,t)+function(e,t){const n=1-e;return 3*n*n*e*t}(e,n)+function(e,t){return 3*(1-e)*e*e*t}(e,r)+function(e,t){return e*e*e*t}(e,i)}pa.prototype.isCatmullRomCurve3=!0;class ya extends oa{constructor(e=new M,t=new M,n=new M,r=new M){super(),this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new M){const n=t,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(va(e,r.x,i.x,a.x,o.x),va(e,r.y,i.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}ya.prototype.isCubicBezierCurve=!0;class _a extends oa{constructor(e=new N,t=new N,n=new N,r=new N){super(),this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new N){const n=t,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(va(e,r.x,i.x,a.x,o.x),va(e,r.y,i.y,a.y,o.y),va(e,r.z,i.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}_a.prototype.isCubicBezierCurve3=!0;class xa extends oa{constructor(e=new M,t=new M){super(),this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new M){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){const n=t||new M;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}xa.prototype.isLineCurve=!0;class ba extends oa{constructor(e=new N,t=new N){super(),this.type="LineCurve3",this.isLineCurve3=!0,this.v1=e,this.v2=t}getPoint(e,t=new N){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class wa extends oa{constructor(e=new M,t=new M,n=new M){super(),this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new M){const n=t,r=this.v0,i=this.v1,a=this.v2;return n.set(ga(e,r.x,i.x,a.x),ga(e,r.y,i.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}wa.prototype.isQuadraticBezierCurve=!0;class Ea extends oa{constructor(e=new N,t=new N,n=new N){super(),this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new N){const n=t,r=this.v0,i=this.v1,a=this.v2;return n.set(ga(e,r.x,i.x,a.x),ga(e,r.y,i.y,a.y),ga(e,r.z,i.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}Ea.prototype.isQuadraticBezierCurve3=!0;class Ma extends oa{constructor(e=[]){super(),this.type="SplineCurve",this.points=e}getPoint(e,t=new M){const n=t,r=this.points,i=(r.length-1)*e,a=Math.floor(i),o=i-a,s=r[0===a?a:a-1],l=r[a],c=r[a>r.length-2?r.length-1:a+1],u=r[a>r.length-3?r.length-1:a+2];return n.set(ma(o,s.x,l.x,c.x,u.x),ma(o,s.y,l.y,c.y,u.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new M).fromArray(n))}return this}}Ma.prototype.isSplineCurve=!0;class Sa extends oa{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){const e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);e.equals(t)||this.curves.push(new xa(t,e))}getPoint(e){const t=e*this.getLength(),n=this.getCurveLengths();let r=0;for(;r<n.length;){if(n[r]>=t){const e=n[r]-t,i=this.curves[r],a=i.getLength(),o=0===a?0:1-e/a;return i.getPointAt(o)}r++}return null}getLength(){const e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const e=[];let t=0;for(let n=0,r=this.curves.length;n<r;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){const t=[];let n;for(let r=0,i=this.curves;r<i.length;r++){const a=i[r],o=a&&a.isEllipseCurve?2*e:a&&(a.isLineCurve||a.isLineCurve3)?1:a&&a.isSplineCurve?e*a.points.length:e,s=a.getPoints(o);for(let e=0;e<s.length;e++){const r=s[e];n&&n.equals(r)||(t.push(r),n=r)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){const n=e.curves[t];this.curves.push(n.clone())}return this.autoClose=e.autoClose,this}toJSON(){const e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,n=this.curves.length;t<n;t++){const n=this.curves[t];e.curves.push(n.toJSON())}return e}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let n=0,r=t.curves.length;n<r;n++){const r=t.curves[n];this.curves.push((new e[r.type]).fromJSON(r))}return this}}class Ta extends Sa{constructor(e){super(),this.type="Path",this.currentPoint=new M,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){const n=new xa(this.currentPoint.clone(),new M(e,t));return this.curves.push(n),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,n,r){const i=new wa(this.currentPoint.clone(),new M(e,t),new M(n,r));return this.curves.push(i),this.currentPoint.set(n,r),this}bezierCurveTo(e,t,n,r,i,a){const o=new ya(this.currentPoint.clone(),new M(e,t),new M(n,r),new M(i,a));return this.curves.push(o),this.currentPoint.set(i,a),this}splineThru(e){const t=[this.currentPoint.clone()].concat(e),n=new Ma(t);return this.curves.push(n),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,n,r,i,a){const o=this.currentPoint.x,s=this.currentPoint.y;return this.absarc(e+o,t+s,n,r,i,a),this}absarc(e,t,n,r,i,a){return this.absellipse(e,t,n,n,r,i,a),this}ellipse(e,t,n,r,i,a,o,s){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(e+l,t+c,n,r,i,a,o,s),this}absellipse(e,t,n,r,i,a,o,s){const l=new sa(e,t,n,r,i,a,o,s);if(this.curves.length>0){const e=l.getPoint(0);e.equals(this.currentPoint)||this.lineTo(e.x,e.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){const e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}}class La extends Ta{constructor(e){super(e),this.uuid=w.generateUUID(),this.type="Shape",this.holes=[]}getPointsHoles(e){const t=[];for(let n=0,r=this.holes.length;n<r;n++)t[n]=this.holes[n].getPoints(e);return t}extractPoints(e){return{shape:this.getPoints(e),holes:this.getPointsHoles(e)}}copy(e){super.copy(e),this.holes=[];for(let t=0,n=e.holes.length;t<n;t++){const n=e.holes[t];this.holes.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.uuid=this.uuid,e.holes=[];for(let t=0,n=this.holes.length;t<n;t++){const n=this.holes[t];e.holes.push(n.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.uuid=e.uuid,this.holes=[];for(let t=0,n=e.holes.length;t<n;t++){const 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