60 lines
1.3 KiB
JavaScript
60 lines
1.3 KiB
JavaScript
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import { LineSegments, LineBasicMaterial, BufferAttribute } from 'three';
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/**
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* This class displays all Rapier Colliders in outline.
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*
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* @augments LineSegments
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* @three_import import { RapierHelper } from 'three/addons/helpers/RapierHelper.js';
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*/
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class RapierHelper extends LineSegments {
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/**
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* Constructs a new Rapier debug helper.
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*
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* @param {RAPIER.world} world - The Rapier world to visualize.
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*/
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constructor( world ) {
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super();
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/**
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* The Rapier world to visualize.
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*
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* @type {RAPIER.world}
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*/
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this.world = world;
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this.material = new LineBasicMaterial( { vertexColors: true } );
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this.frustumCulled = false;
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}
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/**
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* Call this in the render loop to update the outlines.
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*/
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update() {
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const { vertices, colors } = this.world.debugRender();
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this.geometry.deleteAttribute( 'position' );
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this.geometry.deleteAttribute( 'color' );
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this.geometry.setAttribute( 'position', new BufferAttribute( vertices, 3 ) );
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this.geometry.setAttribute( 'color', new BufferAttribute( colors, 4 ) );
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}
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/**
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* Frees the GPU-related resources allocated by this instance. Call this
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* method whenever this instance is no longer used in your app.
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*/
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dispose() {
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this.geometry.dispose();
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this.material.dispose();
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}
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}
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export { RapierHelper };
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