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159 lines
4.7 KiB
HTML
159 lines
4.7 KiB
HTML
2 months ago
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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 - Backdrop</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 - Backdrop
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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 { float, vec3, color, viewportSharedTexture, hue, blendOverlay, posterize, grayscale, saturation, viewportSafeUV, screenUV, checker, uv, time, oscSine, output } from 'three/tsl';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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let camera, scene, renderer;
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let portals, rotate = true;
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let mixer, clock;
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init();
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function init() {
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 100 );
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camera.position.set( 1, 2, 3 );
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scene = new THREE.Scene();
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scene.backgroundNode = screenUV.y.mix( color( 0x66bbff ), color( 0x4466ff ) );
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camera.lookAt( 0, 1, 0 );
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clock = new THREE.Clock();
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// lights
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const light = new THREE.SpotLight( 0xffffff, 1 );
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light.power = 2000;
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camera.add( light );
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scene.add( camera );
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const loader = new GLTFLoader();
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loader.load( 'models/gltf/Michelle.glb', function ( gltf ) {
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const object = gltf.scene;
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mixer = new THREE.AnimationMixer( object );
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const material = object.children[ 0 ].children[ 0 ].material;
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material.outputNode = oscSine( time.mul( .1 ) ).mix( output, posterize( output.add( .1 ), 4 ).mul( 2 ) );
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const action = mixer.clipAction( gltf.animations[ 0 ] );
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action.play();
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scene.add( object );
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} );
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// portals
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const geometry = new THREE.SphereGeometry( .3, 32, 16 );
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portals = new THREE.Group();
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scene.add( portals );
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function addBackdropSphere( backdropNode, backdropAlphaNode = null ) {
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const distance = 1;
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const id = portals.children.length;
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const rotation = THREE.MathUtils.degToRad( id * 45 );
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const material = new THREE.MeshStandardNodeMaterial( { color: 0x0066ff } );
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material.roughnessNode = float( .2 );
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material.metalnessNode = float( 0 );
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material.backdropNode = backdropNode;
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material.backdropAlphaNode = backdropAlphaNode;
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material.transparent = true;
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.set(
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Math.cos( rotation ) * distance,
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1,
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Math.sin( rotation ) * distance
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);
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portals.add( mesh );
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}
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addBackdropSphere( hue( viewportSharedTexture().bgr, oscSine().mul( Math.PI ) ) );
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addBackdropSphere( viewportSharedTexture().rgb.oneMinus() );
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addBackdropSphere( grayscale( viewportSharedTexture().rgb ) );
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addBackdropSphere( saturation( viewportSharedTexture().rgb, 10 ), oscSine() );
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addBackdropSphere( blendOverlay( viewportSharedTexture().rgb, checker( uv().mul( 10 ) ) ) );
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addBackdropSphere( viewportSharedTexture( viewportSafeUV( screenUV.mul( 40 ).floor().div( 40 ) ) ) );
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addBackdropSphere( viewportSharedTexture( viewportSafeUV( screenUV.mul( 80 ).floor().div( 80 ) ) ).add( color( 0x0033ff ) ) );
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addBackdropSphere( vec3( 0, 0, viewportSharedTexture().b ) );
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// renderer
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renderer = new THREE.WebGPURenderer( { antialias: false } );
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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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renderer.toneMapping = THREE.NeutralToneMapping;
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renderer.toneMappingExposure = 0.3;
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document.body.appendChild( renderer.domElement );
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.target.set( 0, 1, 0 );
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controls.addEventListener( 'start', () => rotate = false );
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controls.addEventListener( 'end', () => rotate = true );
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controls.update();
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window.addEventListener( 'resize', onWindowResize );
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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 delta = clock.getDelta();
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if ( mixer ) mixer.update( delta );
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if ( rotate ) portals.rotation.y += delta * 0.5;
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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