106 lines
2.6 KiB
JavaScript
106 lines
2.6 KiB
JavaScript
import * as THREE from 'three/src/Three';
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import { color, ptObj } from './utils/shared'
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export function extrude(sketch) {
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let constraints = sketch.constraints;
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let linkedObjs = sketch.linkedObjs;
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let children = sketch.obj3d.children;
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let objIdx = sketch.objIdx;
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let visited = new Set()
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let v2s = []
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let offSetPts = []
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function findPair(node) {
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if (node.userData.construction) return;
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visited.add(node)
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let linkedObj = linkedObjs.get(node.userData.l_id)
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let arr;
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if (linkedObj[0] == 'line') {
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arr = children[objIdx.get(linkedObj[1][2])].geometry.attributes.position.array
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} else if (linkedObj[0] == 'arc') {
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arr = children[objIdx.get(linkedObj[1][3])].geometry.attributes.position.array
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}
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for (let i = 0; i < arr.length; i += 3) {
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v2s.push(new THREE.Vector2(arr[i], arr[i + 1]))
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}
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offSetPts.push(arr[0], arr[1]) //make work points for sketch creation
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// offSetPts.push(arr[arr.length - 3], arr[arr.length - 2])
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for (let i = 0; i < 2; i++) {
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let d = children[
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objIdx.get(
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linkedObj[1][i]
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)
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]
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if (d == -1 || d == node) continue;
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if (d == children[1]) {
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console.log('pair found')
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};
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findTouching(d)
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}
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}
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function findTouching(node) {
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for (let t of node.userData.constraints) {
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if (constraints.get(t)[0] != 'points_coincident') continue
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for (let c of constraints.get(t)[2]) {
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if (c == -1) continue;
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const d = children[objIdx.get(c)]
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if (d == node) continue;
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if (d == children[1]) {
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console.log('loop found')
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} else {
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if (!visited.has(d)) {
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findPair(d)
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}
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};
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}
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}
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}
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findPair(children[3]) //??? need fixing
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const shape = new THREE.Shape(v2s);
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const extrudeSettings = { depth: 8, bevelEnabled: false };
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const geometry = new THREE.ExtrudeGeometry(shape, extrudeSettings);
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const phong = new THREE.MeshPhongMaterial({
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color: color.mesh,
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emissive: color.emissive,
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flatShading: true
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});
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const mesh = new THREE.Mesh(geometry, phong)
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// mesh.name = "Extrude"
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mesh.name = 'm' + nid++
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mesh.userData.type = 'mesh'
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for (let i = 0; i < offSetPts.length; i += 2) {
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if (
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offSetPts[i] == offSetPts[i - 2] &&
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offSetPts[i + 1] == offSetPts[i - 1]
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) continue;
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mesh.add(
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ptObj([offSetPts[i], offSetPts[i + 1], 8])
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)
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}
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mesh.matrixAutoUpdate = false;
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mesh.matrix.multiply(sketch.obj3d.matrix)
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this.obj3d.add(mesh)
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this.render()
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// sketch.visible = false
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this.store.dispatch({ type: 'rx-extrusion', mesh, sketch })
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}
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