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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 - materials - environment maps</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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+
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgpu environment mapping example<br/>
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+ Equirectangular Map by <a href="http://www.flickr.com/photos/jonragnarsson/2294472375/" target="_blank" rel="noopener">Jón Ragnarsson</a>.
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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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+
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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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+ import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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+
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+ let controls, camera, scene, renderer;
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+ let textureEquirec, textureCube;
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+ let sphereMesh, sphereMaterial, params;
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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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+ // CAMERAS
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+
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+ camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 100 );
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+ camera.position.set( 0, 0, 2.5 );
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+
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+ // SCENE
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+
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+ scene = new THREE.Scene();
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+
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+ // Textures
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+
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+ const loader = new THREE.CubeTextureLoader();
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+ loader.setPath( 'textures/cube/Bridge2/' );
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+
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+ textureCube = loader.load( [ 'posx.jpg', 'negx.jpg', 'posy.jpg', 'negy.jpg', 'posz.jpg', 'negz.jpg' ] );
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+
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+ const textureLoader = new THREE.TextureLoader();
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+
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+ textureEquirec = textureLoader.load( 'textures/2294472375_24a3b8ef46_o.jpg' );
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+ textureEquirec.mapping = THREE.EquirectangularReflectionMapping;
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+ textureEquirec.colorSpace = THREE.SRGBColorSpace;
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+
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+ scene.background = textureCube;
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+
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+ //
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+
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+ const geometry = new THREE.IcosahedronGeometry( 1, 15 );
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+ sphereMaterial = new THREE.MeshBasicMaterial( { envMap: textureCube } );
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+ sphereMesh = new THREE.Mesh( geometry, sphereMaterial );
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+ scene.add( sphereMesh );
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+
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+ //
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+
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+ renderer = new THREE.WebGPURenderer();
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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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+ controls = new OrbitControls( camera, renderer.domElement );
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+ controls.minDistance = 1.5;
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+ controls.maxDistance = 6;
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+
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+ //
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+
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+ params = {
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+ Cube: function () {
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+
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+ scene.background = textureCube;
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+
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+ sphereMaterial.envMap = textureCube;
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+ sphereMaterial.needsUpdate = true;
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+
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+ },
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+ Equirectangular: function () {
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+
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+ scene.background = textureEquirec;
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+
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+ sphereMaterial.envMap = textureEquirec;
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+ sphereMaterial.needsUpdate = true;
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+
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+ },
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+ Refraction: false
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+ };
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+
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+ const gui = new GUI( { width: 300 } );
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+ gui.add( params, 'Cube' );
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+ gui.add( params, 'Equirectangular' );
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+ gui.add( params, 'Refraction' ).onChange( function ( value ) {
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+
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+ if ( value ) {
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+
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+ textureEquirec.mapping = THREE.EquirectangularRefractionMapping;
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+ textureCube.mapping = THREE.CubeRefractionMapping;
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+
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+ } else {
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+
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+ textureEquirec.mapping = THREE.EquirectangularReflectionMapping;
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+ textureCube.mapping = THREE.CubeReflectionMapping;
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+
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+ }
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+
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+ sphereMaterial.needsUpdate = true;
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+
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+ } );
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+ gui.open();
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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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+ //
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+
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+ function animate() {
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+
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+ camera.lookAt( scene.position );
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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
