55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
import * as THREE from '../node_modules/three/src/Three';
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import {ptObj, lineObj} from './shared'
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export function drawLine(mouseLoc) {
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const p1 = ptObj()
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p1.matrixAutoUpdate = false;
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p1.userData.constraints = []
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const p2 = ptObj()
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p2.matrixAutoUpdate = false;
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p2.userData.constraints = []
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const line = lineObj()
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line.matrixAutoUpdate = false;
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line.frustumCulled = false;
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line.userData.constraints = []
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line.geometry.attributes.position.set(mouseLoc)
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p1.geometry.attributes.position.set(mouseLoc)
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if (this.subsequent) {
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this.constraints.set(++this.c_id, //??? why incremennt before not after
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[
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'points_coincident', -1,
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[this.obj3d.children[this.obj3d.children.length - 2].name, p1.name, -1, -1]
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]
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)
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p1.userData.constraints.push(this.c_id)
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this.obj3d.children[this.obj3d.children.length - 2].userData.constraints.push(this.c_id)
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}
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return [p1, p2, line];
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}
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export function drawLine2(mouseLoc, toPush) {
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const [p1, p2, line] = toPush
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p2.geometry.attributes.position.set(mouseLoc);
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p2.geometry.attributes.position.needsUpdate = true;
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p2.geometry.computeBoundingSphere();
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line.geometry.attributes.position.set(mouseLoc, 3)
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line.geometry.attributes.position.needsUpdate = true;
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} |