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113 lines
3.1 KiB
HTML
113 lines
3.1 KiB
HTML
2 months ago
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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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<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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<script type="module">
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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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let scene, renderer;
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let camera;
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let capsule1, capsule2, capsule3;
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let raycaster, raycasterHelper;
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init();
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function init() {
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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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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.z = 10;
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scene = new THREE.Scene();
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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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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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scene.add( capsule1 );
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scene.add( capsule2 );
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scene.add( capsule3 );
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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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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate( time ) {
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const elapsedTime = time / 1000; // ms to s
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[ capsule1, capsule2, capsule3 ].forEach( capsule => {
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capsule.position.y = Math.sin( elapsedTime * 0.5 + capsule.position.x );
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capsule.rotation.z = Math.sin( elapsedTime * 0.5 ) * Math.PI * 1;
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} );
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raycasterHelper.hits = raycaster.intersectObjects( scene.children );
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raycasterHelper.update();
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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