85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
import * as THREE from 'three/src/Three'
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export function onHover(e) {
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if (this.mode || e.buttons) return
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if (this.hovered && !this.selected.has(this.hovered)) {
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this.hovered.material.color.set(0x555555)
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}
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this.raycaster.setFromCamera(
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new THREE.Vector2(
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(e.clientX / window.innerWidth) * 2 - 1,
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- (e.clientY / window.innerHeight) * 2 + 1
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),
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this.camera
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);
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const hoverPts = this.raycaster.intersectObjects(this.children)
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// console.log(hoverPts)
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if (hoverPts.length) {
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let minDist = Infinity;
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let idx = 0
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for (let i = 0; i < hoverPts.length; i++) {
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if (hoverPts[i].distanceToRay && hoverPts[i].distanceToRay <= minDist) {
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minDist = hoverPts[i].distanceToRay
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idx = i
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}
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}
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hoverPts[idx].object.material.color.set(0xff0000)
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this.hovered = hoverPts[idx].object
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this.dispatchEvent({ type: 'change' })
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return
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}
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if (this.hovered) {
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this.hovered = null;
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this.dispatchEvent({ type: 'change' })
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}
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}
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export function onPick(e) {
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if (this.mode || e.buttons != 1) return
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if (this.hovered) {
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this.selected.add(this.hovered)
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if (this.hovered.type === "Points") {
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this.grabPtIdx = this.children.indexOf(
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this.hovered
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)
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this.domElement.addEventListener('pointermove', this.onDrag);
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this.domElement.addEventListener('pointerup', this.onRelease)
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}
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} else {
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for (let obj of this.selected) {
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obj.material.color.set(0x555555)
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}
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this.dispatchEvent({ type: 'change' })
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this.selected.clear()
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}
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}
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export function onDrag(e) {
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const mouseLoc = this.getLocation(e);
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this.ptsBuf.set(
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mouseLoc,
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this.objIdx.get(this.children[this.grabPtIdx].id) * 3
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)
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this.solve()
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this.dispatchEvent({ type: 'change' })
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}
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export function onRelease() {
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this.domElement.removeEventListener('pointermove', this.onDrag)
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this.domElement.removeEventListener('pointerup', this.onRelease)
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this.children[this.grabPtIdx].geometry.computeBoundingSphere()
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}
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