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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - postprocessing</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>
- <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 } from 'three/tsl';
- import { dotScreen } from 'three/addons/tsl/display/DotScreenNode.js';
- import { rgbShift } from 'three/addons/tsl/display/RGBShiftNode.js';
- let camera, renderer, postProcessing;
- let object;
- init();
- function init() {
- renderer = new THREE.WebGPURenderer();
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- document.body.appendChild( renderer.domElement );
- //
- camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
- camera.position.z = 400;
- const scene = new THREE.Scene();
- scene.fog = new THREE.Fog( 0x000000, 1, 1000 );
- object = new THREE.Object3D();
- scene.add( object );
- const geometry = new THREE.SphereGeometry( 1, 4, 4 );
- const material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true } );
- for ( let i = 0; i < 100; i ++ ) {
- const mesh = new THREE.Mesh( geometry, material );
- mesh.position.set( Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5 ).normalize();
- mesh.position.multiplyScalar( Math.random() * 400 );
- mesh.rotation.set( Math.random() * 2, Math.random() * 2, Math.random() * 2 );
- mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 50;
- object.add( mesh );
- }
- scene.add( new THREE.AmbientLight( 0xcccccc ) );
- const light = new THREE.DirectionalLight( 0xffffff, 3 );
- light.position.set( 1, 1, 1 );
- scene.add( light );
- // postprocessing
- postProcessing = new THREE.PostProcessing( renderer );
- const scenePass = pass( scene, camera );
- const scenePassColor = scenePass.getTextureNode();
- const dotScreenPass = dotScreen( scenePassColor );
- dotScreenPass.scale.value = 0.3;
- const rgbShiftPass = rgbShift( dotScreenPass );
- rgbShiftPass.amount.value = 0.001;
- postProcessing.outputNode = rgbShiftPass;
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function animate() {
- object.rotation.x += 0.005;
- object.rotation.y += 0.01;
- postProcessing.render();
- }
- </script>
- </body>
- </html>
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