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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webGPU - rect area light</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- </head>
- <body>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - rect area light<br/>
- by <a href="http://github.com/abelnation" target="_blank" rel="noopener">abelnation</a>
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.webgpu.js",
- "three/tsl": "../build/three.webgpu.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import Stats from 'three/addons/libs/stats.module.js';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { RectAreaLightHelper } from 'three/addons/helpers/RectAreaLightHelper.js';
- import { RectAreaLightTexturesLib } from 'three/addons/lights/RectAreaLightTexturesLib.js';
- let renderer, scene, camera;
- let stats, meshKnot;
- init();
- function init() {
- THREE.RectAreaLightNode.setLTC( RectAreaLightTexturesLib.init() );
- renderer = new THREE.WebGPURenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animation );
- document.body.appendChild( renderer.domElement );
- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
- camera.position.set( 0, 5, - 15 );
- scene = new THREE.Scene();
- const rectLight1 = new THREE.RectAreaLight( 0xff0000, 5, 4, 10 );
- rectLight1.position.set( - 5, 5, 5 );
- scene.add( rectLight1 );
- const rectLight2 = new THREE.RectAreaLight( 0x00ff00, 5, 4, 10 );
- rectLight2.position.set( 0, 5, 5 );
- scene.add( rectLight2 );
- const rectLight3 = new THREE.RectAreaLight( 0x0000ff, 5, 4, 10 );
- rectLight3.position.set( 5, 5, 5 );
- scene.add( rectLight3 );
- scene.add( new RectAreaLightHelper( rectLight1 ) );
- scene.add( new RectAreaLightHelper( rectLight2 ) );
- scene.add( new RectAreaLightHelper( rectLight3 ) );
- const geoFloor = new THREE.BoxGeometry( 2000, 0.1, 2000 );
- const matStdFloor = new THREE.MeshStandardMaterial( { color: 0xbcbcbc, roughness: 0.1, metalness: 0 } );
- const mshStdFloor = new THREE.Mesh( geoFloor, matStdFloor );
- scene.add( mshStdFloor );
- const geoKnot = new THREE.TorusKnotGeometry( 1.5, 0.5, 200, 16 );
- const matKnot = new THREE.MeshStandardMaterial( { color: 0xffffff, roughness: 0, metalness: 0 } );
- meshKnot = new THREE.Mesh( geoKnot, matKnot );
- meshKnot.position.set( 0, 5, 0 );
- scene.add( meshKnot );
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.target.copy( meshKnot.position );
- controls.update();
- //
- window.addEventListener( 'resize', onWindowResize );
- stats = new Stats();
- document.body.appendChild( stats.dom );
- }
- function onWindowResize() {
- renderer.setSize( window.innerWidth, window.innerHeight );
- camera.aspect = ( window.innerWidth / window.innerHeight );
- camera.updateProjectionMatrix();
- }
- function animation( time ) {
- meshKnot.rotation.y = time / 1000;
- renderer.render( scene, camera );
- stats.update();
- }
- </script>
- </body>
- </html>
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