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335 lines
8.8 KiB
HTML
335 lines
8.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgpu - chromatic aberration</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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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - chromatic aberration
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</div>
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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/webgpu": "../build/three.webgpu.js",
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"three/tsl": "../build/three.tsl.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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<script type="module">
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import * as THREE from 'three';
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import { pass, renderOutput, uniform } from 'three/tsl';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';
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import { chromaticAberration } from 'three/addons/tsl/display/ChromaticAberrationNode.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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const params = {
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enabled: true,
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animated: true,
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strength: 1.5,
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center: new THREE.Vector2(0.5, 0.5),
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scale: 1.2,
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autoRotate: true,
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cameraDistance: 40
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};
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let camera, scene, renderer, clock, mainGroup;
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let controls, postProcessing;
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init();
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async function init() {
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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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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 200 );
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camera.position.set( 0, 15, params.cameraDistance );
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controls = new OrbitControls( camera, renderer.domElement );
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controls.enableDamping = true;
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controls.dampingFactor = 0.1;
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controls.autoRotate = true;
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controls.autoRotateSpeed = -0.1;
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controls.target.set( 0, 0.5, 0 );
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controls.update();
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x0a0a0a );
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const pmremGenerator = new THREE.PMREMGenerator( renderer );
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scene.environment = pmremGenerator.fromScene( new RoomEnvironment(), 0.04 ).texture;
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clock = new THREE.Clock();
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// Create main group
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mainGroup = new THREE.Group();
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scene.add( mainGroup );
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// Create shapes
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createShapes();
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// Add a grid for reference
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const gridHelper = new THREE.GridHelper( 40, 20, 0x444444, 0x222222 );
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gridHelper.position.y = -10;
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scene.add( gridHelper );
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// post processing
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postProcessing = new THREE.PostProcessing( renderer );
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postProcessing.outputColorTransform = false;
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// scene pass
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const scenePass = pass( scene, camera );
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const outputPass = renderOutput( scenePass );
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// Create uniform nodes for the static version that can be updated
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const staticStrength = uniform( params.strength );
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const staticCenter = uniform( new THREE.Vector2( params.center.x, params.center.y ) );
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const staticScale = uniform( params.scale );
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// With static values (using uniform nodes)
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const caPass = chromaticAberration( outputPass, staticStrength, staticCenter, staticScale );
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// Set initial output based on params
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postProcessing.outputNode = params.enabled ? caPass : outputPass;
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window.addEventListener( 'resize', onWindowResize );
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// GUI
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const gui = new GUI();
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gui.title( 'Chromatic Aberration' );
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gui.add( params, 'enabled' ).onChange( ( value ) => {
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postProcessing.outputNode = value ? caPass : outputPass;
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postProcessing.needsUpdate = true;
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} );
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const staticFolder = gui.addFolder( 'Static Parameters' );
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staticFolder.add( staticStrength, 'value', 0, 3 ).name( 'Strength' );
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staticFolder.add( staticCenter.value, 'x', - 1, 1 ).name( 'Center X' );
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staticFolder.add( staticCenter.value, 'y', - 1, 1 ).name( 'Center Y' );
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staticFolder.add( staticScale, 'value', 0.5, 2 ).name( 'Scale' );
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const animationFolder = gui.addFolder( 'Animation' );
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animationFolder.add( params, 'animated' );
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animationFolder.add( params, 'autoRotate' ).onChange( ( value ) => {
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controls.autoRotate = value;
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} );
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}
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function createShapes() {
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const shapes = [];
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const materials = [];
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// Define colors for different materials
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const colors = [
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0xff0000, // Red
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0x00ff00, // Green
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0x0000ff, // Blue
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0xffff00, // Yellow
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0xff00ff, // Magenta
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0x00ffff, // Cyan
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0xffffff, // White
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0xff8800 // Orange
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];
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// Create materials
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colors.forEach( color => {
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materials.push( new THREE.MeshStandardMaterial( {
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color: color,
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roughness: 0.2,
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metalness: 0.8
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} ) );
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});
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// Create geometries
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const geometries = [
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new THREE.BoxGeometry( 3, 3, 3 ),
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new THREE.SphereGeometry( 2, 32, 16 ),
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new THREE.ConeGeometry( 2, 4, 8 ),
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new THREE.CylinderGeometry( 1.5, 1.5, 4, 8 ),
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new THREE.TorusGeometry( 2, 0.8, 8, 16 ),
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new THREE.OctahedronGeometry( 2.5 ),
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new THREE.IcosahedronGeometry( 2.5 ),
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new THREE.TorusKnotGeometry( 1.5, 0.5, 64, 8 )
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];
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// Create central showcase
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const centralGroup = new THREE.Group();
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// Large central torus
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const centralTorus = new THREE.Mesh(
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new THREE.TorusGeometry( 5, 1.5, 16, 32 ),
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new THREE.MeshStandardMaterial( {
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color: 0xffffff,
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roughness: 0.1,
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metalness: 1,
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emissive: 0x222222
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} )
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);
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centralGroup.add( centralTorus );
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// Inner rotating shapes
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for ( let i = 0; i < 6; i++ ) {
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const angle = ( i / 6 ) * Math.PI * 2;
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const radius = 3;
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const mesh = new THREE.Mesh(
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geometries[ i % geometries.length ],
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materials[ i % materials.length ]
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);
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mesh.position.set(
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Math.cos( angle ) * radius,
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0,
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Math.sin( angle ) * radius
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);
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mesh.scale.setScalar( 0.5 );
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centralGroup.add( mesh );
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shapes.push( mesh );
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}
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mainGroup.add( centralGroup );
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shapes.push( centralGroup );
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// Create outer ring of shapes
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const numShapes = 12;
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const outerRadius = 15;
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for ( let i = 0; i < numShapes; i++ ) {
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const angle = ( i / numShapes ) * Math.PI * 2;
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const shapesGroup = new THREE.Group();
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const geometry = geometries[ i % geometries.length ];
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const material = materials[ i % materials.length ];
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const mesh = new THREE.Mesh( geometry, material );
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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shapesGroup.add( mesh );
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shapesGroup.position.set(
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Math.cos( angle ) * outerRadius,
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Math.sin( i * 0.5 ) * 2,
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Math.sin( angle ) * outerRadius
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);
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mainGroup.add( shapesGroup );
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shapes.push( shapesGroup );
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}
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// Add floating particles
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const particlesGeometry = new THREE.BufferGeometry();
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const particlesCount = 200;
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const positions = new Float32Array( particlesCount * 3 );
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for ( let i = 0; i < particlesCount * 3; i += 3 ) {
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const radius = 25 + Math.random() * 10;
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const theta = Math.random() * Math.PI * 2;
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const phi = Math.random() * Math.PI;
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positions[ i ] = radius * Math.sin( phi ) * Math.cos( theta );
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positions[ i + 1 ] = radius * Math.cos( phi );
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positions[ i + 2 ] = radius * Math.sin( phi ) * Math.sin( theta );
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}
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particlesGeometry.setAttribute( 'position', new THREE.BufferAttribute( positions, 3 ) );
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const particlesMaterial = new THREE.PointsMaterial( {
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color: 0xffffff,
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size: 0.5,
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sizeAttenuation: true
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} );
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const particles = new THREE.Points( particlesGeometry, particlesMaterial );
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mainGroup.add( particles );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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const time = clock.getElapsedTime();
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controls.update();
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if ( params.animated ) {
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// Animate individual shapes
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mainGroup.children.forEach( ( child, index ) => {
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if ( child.children.length > 0 ) {
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// Central group
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child.rotation.y = time * 0.5;
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child.children.forEach( ( subChild, subIndex ) => {
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if ( subChild.geometry ) {
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subChild.rotation.x = time * ( 1 + subIndex * 0.1 );
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subChild.rotation.z = time * ( 1 - subIndex * 0.1 );
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}
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} );
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} else if ( child.type === 'Group' ) {
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// Outer shapes
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child.rotation.x = time * 0.5 + index;
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child.rotation.y = time * 0.3 + index;
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child.position.y = Math.sin( time + index ) * 2;
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}
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} );
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}
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postProcessing.render();
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}
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</script>
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</body>
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</html>
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