Accueil / npm / three@0.186.1 / examples / jsm / helpers / RapierHelper.js
RapierHelper.js
import { LineSegments, LineBasicMaterial, BufferAttribute } from 'three';
/**
* This class displays all Rapier Colliders in outline.
*
* @augments LineSegments
* @three_import import { RapierHelper } from 'three/addons/helpers/RapierHelper.js';
*/
class RapierHelper extends LineSegments {
/**
* Constructs a new Rapier debug helper.
*
* @param {RAPIER.world} world - The Rapier world to visualize.
*/
constructor( world ) {
super();
/**
* The Rapier world to visualize.
*
* @type {RAPIER.world}
*/
this.world = world;
this.material = new LineBasicMaterial( { vertexColors: true } );
this.frustumCulled = false;
}
/**
* Call this in the render loop to update the outlines.
*/
update() {
const { vertices, colors } = this.world.debugRender();
this.geometry.deleteAttribute( 'position' );
this.geometry.deleteAttribute( 'color' );
this.geometry.setAttribute( 'position', new BufferAttribute( vertices, 3 ) );
this.geometry.setAttribute( 'color', new BufferAttribute( colors, 4 ) );
}
/**
* Frees the GPU-related resources allocated by this instance. Call this
* method whenever this instance is no longer used in your app.
*/
dispose() {
this.geometry.dispose();
this.material.dispose();
}
}
export { RapierHelper };