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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - custom fog background</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">
- <style>
- #info {
- background-color: #0066ff;
- }
- </style>
- </head>
- <body>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - custom fog background<br />
- Battle Damaged Sci-fi Helmet by
- <a href="https://sketchfab.com/theblueturtle_" target="_blank" rel="noopener">theblueturtle_</a><br />
- <a href="https://hdrihaven.com/hdri/?h=royal_esplanade" target="_blank" rel="noopener">Royal Esplanade</a> by <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</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 { pass, color, rangeFog } from 'three/tsl';
- import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
- let camera, scene, renderer;
- let postProcessing;
- init();
- function init() {
- const container = document.createElement( 'div' );
- document.body.appendChild( container );
- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
- camera.position.set( - 1.8, 0.6, 2.7 );
- scene = new THREE.Scene();
- renderer = new THREE.WebGPURenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- //renderer.toneMapping = THREE.ACESFilmicToneMapping; // apply tone mapping in post processing
- container.appendChild( renderer.domElement );
- // post processing
- // render scene pass ( the same of css )
- const scenePass = pass( scene, camera );
- const scenePassViewZ = scenePass.getViewZNode();
- // background color
- const backgroundColor = color( 0x0066ff );
- // get fog factor from scene pass context
- // equivalent to: scene.fog = new THREE.Fog( 0x0066ff, 2.7, 4 );
- const fogFactor = rangeFog( null, 2.7, 4 ).context( { getViewZ: () => scenePassViewZ } );
- // tone mapping scene pass
- const scenePassTM = scenePass.toneMapping( THREE.ACESFilmicToneMapping );
- // mix fog from fog factor and background color
- const compose = fogFactor.mix( scenePassTM, backgroundColor );
- postProcessing = new THREE.PostProcessing( renderer );
- postProcessing.outputNode = compose;
- //
- new RGBELoader()
- .setPath( 'textures/equirectangular/' )
- .load( 'royal_esplanade_1k.hdr', function ( texture ) {
- texture.mapping = THREE.EquirectangularReflectionMapping;
- scene.environment = texture;
- // model
- const loader = new GLTFLoader().setPath( 'models/gltf/DamagedHelmet/glTF/' );
- loader.load( 'DamagedHelmet.gltf', function ( gltf ) {
- scene.add( gltf.scene );
- render();
- } );
- } );
- //
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.minDistance = 2;
- controls.maxDistance = 5;
- controls.target.set( 0, - 0.1, - 0.2 );
- controls.update();
- controls.addEventListener( 'change', render ); // use if there is no animation loop
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- render();
- }
- //
- function render() {
- postProcessing.renderAsync();
- }
- </script>
- </body>
- </html>
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