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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - displacement map</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="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - ( normal + ao + displacement + environment ) maps<br />
- ninja head from <a href="https://gpuopen.com/archive/gamescgi/amd-gpu-meshmapper/" target="_blank" rel="noopener">AMD GPU MeshMapper</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 { OBJLoader } from 'three/addons/loaders/OBJLoader.js';
- let stats;
- let camera, scene, renderer, controls;
- const settings = {
- metalness: 1.0,
- roughness: 0.4,
- ambientIntensity: 0.2,
- aoMapIntensity: 1.0,
- envMapIntensity: 1.0,
- displacementScale: 2.436143, // from original model
- normalScale: 1.0
- };
- let mesh, material;
- let pointLight, ambientLight;
- const height = 500; // of camera frustum
- let r = 0.0;
- init();
- initGui();
- // Init gui
- function initGui() {
- const gui = new GUI();
- gui.add( settings, 'metalness' ).min( 0 ).max( 1 ).onChange( function ( value ) {
- material.metalness = value;
- } );
- gui.add( settings, 'roughness' ).min( 0 ).max( 1 ).onChange( function ( value ) {
- material.roughness = value;
- } );
- gui.add( settings, 'aoMapIntensity' ).min( 0 ).max( 1 ).onChange( function ( value ) {
- material.aoMapIntensity = value;
- } );
- gui.add( settings, 'ambientIntensity' ).min( 0 ).max( 1 ).onChange( function ( value ) {
- ambientLight.intensity = value;
- } );
- gui.add( settings, 'envMapIntensity' ).min( 0 ).max( 3 ).onChange( function ( value ) {
- material.envMapIntensity = value;
- } );
- gui.add( settings, 'displacementScale' ).min( 0 ).max( 3.0 ).onChange( function ( value ) {
- material.displacementScale = value;
- } );
- gui.add( settings, 'normalScale' ).min( - 1 ).max( 1 ).onChange( function ( value ) {
- material.normalScale.set( 1, - 1 ).multiplyScalar( value );
- } );
- }
- function init() {
- const container = document.createElement( 'div' );
- document.body.appendChild( container );
- renderer = new THREE.WebGPURenderer();
- renderer.setAnimationLoop( animate );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- container.appendChild( renderer.domElement );
- //
- scene = new THREE.Scene();
- const aspect = window.innerWidth / window.innerHeight;
- camera = new THREE.OrthographicCamera( - height * aspect, height * aspect, height, - height, 1, 10000 );
- camera.position.z = 1500;
- scene.add( camera );
- controls = new OrbitControls( camera, renderer.domElement );
- controls.enableZoom = false;
- controls.enableDamping = true;
- // lights
- ambientLight = new THREE.AmbientLight( 0xffffff, settings.ambientIntensity );
- scene.add( ambientLight );
- pointLight = new THREE.PointLight( 0xff0000, 1.5, 0, 0 );
- pointLight.position.z = 2500;
- scene.add( pointLight );
- const pointLight2 = new THREE.PointLight( 0xff6666, 3, 0, 0 );
- camera.add( pointLight2 );
- const pointLight3 = new THREE.PointLight( 0x0000ff, 1.5, 0, 0 );
- pointLight3.position.x = - 1000;
- pointLight3.position.z = 1000;
- scene.add( pointLight3 );
- // env map
- const path = 'textures/cube/SwedishRoyalCastle/';
- const format = '.jpg';
- const urls = [
- path + 'px' + format, path + 'nx' + format,
- path + 'py' + format, path + 'ny' + format,
- path + 'pz' + format, path + 'nz' + format
- ];
- const reflectionCube = new THREE.CubeTextureLoader().load( urls );
- // textures
- const textureLoader = new THREE.TextureLoader();
- const normalMap = textureLoader.load( 'models/obj/ninja/normal.png' );
- const aoMap = textureLoader.load( 'models/obj/ninja/ao.jpg' );
- const displacementMap = textureLoader.load( 'models/obj/ninja/displacement.jpg' );
- // material
- material = new THREE.MeshStandardNodeMaterial( {
- color: 0xc1c1c1,
- roughness: settings.roughness,
- metalness: settings.metalness,
- normalMap: normalMap,
- normalScale: new THREE.Vector2( 1, - 1 ), // why does the normal map require negation in this case?
- aoMap: aoMap,
- aoMapIntensity: 1,
- displacementMap: displacementMap,
- displacementScale: settings.displacementScale,
- displacementBias: - 0.428408, // from original model
- envMap: reflectionCube,
- envMapIntensity: settings.envMapIntensity,
- side: THREE.DoubleSide
- } );
- //
- const loader = new OBJLoader();
- loader.load( 'models/obj/ninja/ninjaHead_Low.obj', function ( group ) {
- const geometry = group.children[ 0 ].geometry;
- geometry.center();
- mesh = new THREE.Mesh( geometry, material );
- mesh.scale.multiplyScalar( 25 );
- scene.add( mesh );
- } );
- //
- stats = new Stats();
- container.appendChild( stats.dom );
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- const aspect = window.innerWidth / window.innerHeight;
- camera.left = - height * aspect;
- camera.right = height * aspect;
- camera.top = height;
- camera.bottom = - height;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- //
- function animate() {
- controls.update();
- stats.begin();
- render();
- stats.end();
- }
- function render() {
- pointLight.position.x = 2500 * Math.cos( r );
- pointLight.position.z = 2500 * Math.sin( r );
- r += 0.01;
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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