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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 webgpu - light probe</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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+
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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> webgpu - light probe
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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/tsl": "../build/three.webgpu.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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+
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+ import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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+
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+ import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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+ import { LightProbeGenerator } from 'three/addons/lights/LightProbeGenerator.js';
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+
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+ let mesh, renderer, scene, camera;
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+
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+ let gui;
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+
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+ let lightProbe;
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+ let directionalLight;
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+
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+ // linear color space
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+ const API = {
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+ lightProbeIntensity: 1.0,
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+ directionalLightIntensity: 0.6,
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+ envMapIntensity: 1
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+ };
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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
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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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+ // tone mapping
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+ renderer.toneMapping = THREE.NoToneMapping;
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+
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+
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+ // scene
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+ scene = new THREE.Scene();
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+
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+ // camera
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+ camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
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+ camera.position.set( 0, 0, 30 );
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+
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+ // controls
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+ const controls = new OrbitControls( camera, renderer.domElement );
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+ controls.minDistance = 10;
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+ controls.maxDistance = 50;
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+ controls.enablePan = false;
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+
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+ // probe
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+ lightProbe = new THREE.LightProbe();
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+ scene.add( lightProbe );
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+
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+ // light
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+ directionalLight = new THREE.DirectionalLight( 0xffffff, API.directionalLightIntensity );
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+ directionalLight.position.set( 10, 10, 10 );
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+ scene.add( directionalLight );
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+
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+ // envmap
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+ const genCubeUrls = function ( prefix, postfix ) {
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+
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+ return [
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+ prefix + 'px' + postfix, prefix + 'nx' + postfix,
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+ prefix + 'py' + postfix, prefix + 'ny' + postfix,
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+ prefix + 'pz' + postfix, prefix + 'nz' + postfix
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+ ];
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+
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+ };
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+
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+ const urls = genCubeUrls( 'textures/cube/pisa/', '.png' );
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+
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+ new THREE.CubeTextureLoader().load( urls, function ( cubeTexture ) {
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+
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+ scene.background = cubeTexture;
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+
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+ lightProbe.copy( LightProbeGenerator.fromCubeTexture( cubeTexture ) );
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+
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+ const geometry = new THREE.SphereGeometry( 5, 64, 32 );
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+ //const geometry = new THREE.TorusKnotGeometry( 4, 1.5, 256, 32, 2, 3 );
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+
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+ const material = new THREE.MeshStandardMaterial( {
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+ color: 0xffffff,
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+ metalness: 0,
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+ roughness: 0,
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+ envMap: cubeTexture,
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+ envMapIntensity: API.envMapIntensity,
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+ } );
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+
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+ // mesh
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+ mesh = new THREE.Mesh( geometry, material );
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+ scene.add( mesh );
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+
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+ } );
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+
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+
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+ // gui
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+ gui = new GUI( { title: 'Intensity' } );
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+
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+ gui.add( API, 'lightProbeIntensity', 0, 1, 0.02 )
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+ .name( 'light probe' )
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+ .onChange( function () {
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+
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+ lightProbe.intensity = API.lightProbeIntensity;
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+
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+ } );
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+
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+ gui.add( API, 'directionalLightIntensity', 0, 1, 0.02 )
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+ .name( 'directional light' )
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+ .onChange( function () {
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+
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+ directionalLight.intensity = API.directionalLightIntensity;
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+
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+ } );
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+
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+ gui.add( API, 'envMapIntensity', 0, 1, 0.02 )
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+ .name( 'envMap' )
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+ .onChange( function () {
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+
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+ mesh.material.envMapIntensity = API.envMapIntensity;
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+
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+ } );
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+
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+ // listener
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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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+ renderer.setSize( window.innerWidth, window.innerHeight );
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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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+
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+ }
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+
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+ function animate() {
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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
