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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js misc - raycaster - helper</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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+ <link type="text/css" rel="stylesheet" href="main.css">
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+ </head>
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+ <body>
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - raycaster - helper<br/>
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+ See external <a href="https://github.com/gsimone/things?tab=readme-ov-file#raycasterhelper" target="_blank" rel="noopener">RaycasterHelper</a> for more information.
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+ </div>
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+
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+ <script type="importmap">
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+ {
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+ "imports": {
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+ "three": "../build/three.webgpu.js",
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+ "three/webgpu": "../build/three.webgpu.js",
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+ "three/tsl": "../build/three.tsl.js",
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+ "three/addons/": "./jsm/"
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+ }
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+ }
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+ </script>
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+
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+ <script type="module">
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+
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+ import * as THREE from 'three';
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+ import { RaycasterHelper } from 'https://cdn.jsdelivr.net/npm/@gsimone/three-raycaster-helper@0.1.0/dist/gsimone-three-raycaster-helper.esm.js';
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+
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+ let scene, renderer;
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+ let camera, clock;
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+
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+ let capsule1, capsule2, capsule3;
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+ let raycaster, raycasterHelper;
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+
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+ init();
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+
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+ function init() {
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+
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+ renderer = new THREE.WebGPURenderer( { antialias: true } );
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ renderer.setAnimationLoop( animate );
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+ document.body.appendChild( renderer.domElement );
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+
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+ //
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+
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+ camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
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+ camera.position.z = 10;
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+
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+ scene = new THREE.Scene();
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+ clock = new THREE.Clock();
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+
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+ //
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+
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+ const geometry = new THREE.CapsuleGeometry( 0.5, 0.5, 4, 32 );
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+ const material = new THREE.MeshNormalMaterial();
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+ material.side = THREE.DoubleSide;
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+
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+ capsule1 = new THREE.Mesh( geometry, material );
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+ capsule1.position.x = - 2;
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+ capsule2 = new THREE.Mesh( geometry, material );
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+ capsule2.position.x = 0;
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+ capsule3 = new THREE.Mesh( geometry, material );
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+ capsule3.position.x = 2;
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+
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+ scene.add( capsule1 );
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+ scene.add( capsule2 );
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+ scene.add( capsule3 );
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+
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+ raycaster = new THREE.Raycaster( new THREE.Vector3( - 4, 0, 0 ), new THREE.Vector3( 1, 0, 0 ) );
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+ raycaster.near = 1;
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+ raycaster.far = 8;
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+ raycasterHelper = new RaycasterHelper( raycaster );
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+ scene.add( raycasterHelper );
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ }
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+
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+ function animate() {
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+
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+ [ capsule1, capsule2, capsule3 ].forEach( capsule => {
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+
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+ capsule.position.y = Math.sin( clock.getElapsedTime() * 0.5 + capsule.position.x );
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+ capsule.rotation.z = Math.sin( clock.getElapsedTime() * 0.5 ) * Math.PI * 1;
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+
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+ } );
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+
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+ raycasterHelper.hits = raycaster.intersectObjects( scene.children );
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+ raycasterHelper.update();
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+
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+ </body>
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+</html>
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Michael Herzog
