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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - sss</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>
- <div id="container"></div>
- <div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - sss
- <br/>Fast subsurface scattering<br/>
- [Thanks for the art support from <a href="https://github.com/shaochun" target="_blank" rel="noopener">Shaochun Lin</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 Stats from 'three/addons/libs/stats.module.js';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { FBXLoader } from 'three/addons/loaders/FBXLoader.js';
- let container, stats;
- let camera, scene, renderer;
- let model;
- init();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 5000 );
- camera.position.set( 0.0, 300, 400 * 4 );
- scene = new THREE.Scene();
- // Lights
- scene.add( new THREE.AmbientLight( 0xc1c1c1 ) );
- const directionalLight = new THREE.DirectionalLight( 0xffffff, 0.03 );
- directionalLight.position.set( 0.0, 0.5, 0.5 ).normalize();
- scene.add( directionalLight );
- const pointLight1 = new THREE.Mesh( new THREE.SphereGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xc1c1c1 } ) );
- pointLight1.add( new THREE.PointLight( 0xc1c1c1, 4.0, 300, 0 ) );
- scene.add( pointLight1 );
- pointLight1.position.x = 0;
- pointLight1.position.y = - 50;
- pointLight1.position.z = 350;
- const pointLight2 = new THREE.Mesh( new THREE.SphereGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xc1c100 } ) );
- pointLight2.add( new THREE.PointLight( 0xc1c100, 0.75, 500, 0 ) );
- scene.add( pointLight2 );
- pointLight2.position.x = - 100;
- pointLight2.position.y = 20;
- pointLight2.position.z = - 260;
- renderer = new THREE.WebGPURenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- container.appendChild( renderer.domElement );
- //
- stats = new Stats();
- container.appendChild( stats.dom );
- const controls = new OrbitControls( camera, container );
- controls.minDistance = 500;
- controls.maxDistance = 3000;
- window.addEventListener( 'resize', onWindowResize );
- initMaterial();
- }
- function initMaterial() {
- const loader = new THREE.TextureLoader();
- const imgTexture = loader.load( 'models/fbx/white.jpg' );
- imgTexture.colorSpace = THREE.SRGBColorSpace;
- const thicknessTexture = loader.load( 'models/fbx/bunny_thickness.jpg' );
- imgTexture.wrapS = imgTexture.wrapT = THREE.RepeatWrapping;
- const material = new THREE.MeshSSSNodeMaterial();
- material.color = new THREE.Color( 1.0, 0.2, 0.2 );
- material.roughness = 0.3;
- material.thicknessColorNode = THREE.texture( thicknessTexture ).mul( THREE.vec3( 0.5, 0.3, 0.0 ) );
- material.thicknessDistortionNode = THREE.uniform( 0.1 );
- material.thicknessAmbientNode = THREE.uniform( 0.4 );
- material.thicknessAttenuationNode = THREE.uniform( 0.8 );
- material.thicknessPowerNode = THREE.uniform( 2.0 );
- material.thicknessScaleNode = THREE.uniform( 16.0 );
- // LOADER
- const loaderFBX = new FBXLoader();
- loaderFBX.load( 'models/fbx/stanford-bunny.fbx', function ( object ) {
- model = object.children[ 0 ];
- model.position.set( 0, 0, 10 );
- model.scale.setScalar( 1 );
- model.material = material;
- scene.add( model );
- } );
- initGUI( material );
- }
- function initGUI( material ) {
- const gui = new GUI( { title: 'Thickness Control' } );
- const ThicknessControls = function () {
- this.distortion = material.thicknessDistortionNode.value;
- this.ambient = material.thicknessAmbientNode.value;
- this.attenuation = material.thicknessAttenuationNode.value;
- this.power = material.thicknessPowerNode.value;
- this.scale = material.thicknessScaleNode.value;
- };
- const thicknessControls = new ThicknessControls();
- gui.add( thicknessControls, 'distortion' ).min( 0.01 ).max( 1 ).step( 0.01 ).onChange( function () {
- material.thicknessDistortionNode.value = thicknessControls.distortion;
- console.log( 'distortion' );
- } );
- gui.add( thicknessControls, 'ambient' ).min( 0.01 ).max( 5.0 ).step( 0.05 ).onChange( function () {
- material.thicknessAmbientNode.value = thicknessControls.ambient;
- } );
- gui.add( thicknessControls, 'attenuation' ).min( 0.01 ).max( 5.0 ).step( 0.05 ).onChange( function () {
- material.thicknessAttenuationNode.value = thicknessControls.attenuation;
- } );
- gui.add( thicknessControls, 'power' ).min( 0.01 ).max( 16.0 ).step( 0.1 ).onChange( function () {
- material.thicknessPowerNode.value = thicknessControls.power;
- } );
- gui.add( thicknessControls, 'scale' ).min( 0.01 ).max( 50.0 ).step( 0.1 ).onChange( function () {
- material.thicknessScaleNode.value = thicknessControls.scale;
- } );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- //
- function animate() {
- render();
- stats.update();
- }
- function render() {
- if ( model ) model.rotation.y = performance.now() / 5000;
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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