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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - materials - cube refraction [Lucy]</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">Three.js</a> cube map refraction demo<br/>
- Lucy model from <a href="http://graphics.stanford.edu/data/3Dscanrep/">Stanford 3d scanning repository<br/>
- Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank" rel="noopener">Humus</a>
- </div>
- <script type="module">
- import * as THREE from '../build/three.module.js';
- import Stats from './jsm/libs/stats.module.js';
- import { PLYLoader } from './jsm/loaders/PLYLoader.js';
- let container, stats;
- let camera, scene, renderer;
- let pointLight;
- let mouseX = 0, mouseY = 0;
- let windowHalfX = window.innerWidth / 2;
- let windowHalfY = window.innerHeight / 2;
- init();
- animate();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
- camera.position.z = - 4000;
- //
- const r = "textures/cube/Park3Med/";
- const urls = [
- r + "px.jpg", r + "nx.jpg",
- r + "py.jpg", r + "ny.jpg",
- r + "pz.jpg", r + "nz.jpg"
- ];
- const textureCube = new THREE.CubeTextureLoader().load( urls );
- textureCube.mapping = THREE.CubeRefractionMapping;
- scene = new THREE.Scene();
- scene.background = textureCube;
- // LIGHTS
- const ambient = new THREE.AmbientLight( 0xffffff );
- scene.add( ambient );
- pointLight = new THREE.PointLight( 0xffffff, 2 );
- scene.add( pointLight );
- // light representation
- const sphere = new THREE.SphereGeometry( 100, 16, 8 );
- const mesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
- mesh.scale.set( 0.05, 0.05, 0.05 );
- pointLight.add( mesh );
- // material samples
- const cubeMaterial3 = new THREE.MeshPhongMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity: 0.9 } );
- const cubeMaterial2 = new THREE.MeshPhongMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
- const cubeMaterial1 = new THREE.MeshPhongMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } );
- //
- renderer = new THREE.WebGLRenderer();
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- container.appendChild( renderer.domElement );
- stats = new Stats();
- container.appendChild( stats.dom );
- const loader = new PLYLoader();
- loader.load( 'models/ply/binary/Lucy100k.ply', function ( geometry ) {
- createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 );
- } );
- document.addEventListener( 'mousemove', onDocumentMouseMove );
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- windowHalfX = window.innerWidth / 2;
- windowHalfY = window.innerHeight / 2;
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function createScene( geometry, m1, m2, m3 ) {
- geometry.computeVertexNormals();
- const s = 1.5;
- let mesh = new THREE.Mesh( geometry, m1 );
- mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
- scene.add( mesh );
- mesh = new THREE.Mesh( geometry, m2 );
- mesh.position.x = - 1500;
- mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
- scene.add( mesh );
- mesh = new THREE.Mesh( geometry, m3 );
- mesh.position.x = 1500;
- mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
- scene.add( mesh );
- }
- function onDocumentMouseMove( event ) {
- mouseX = ( event.clientX - windowHalfX ) * 4;
- mouseY = ( event.clientY - windowHalfY ) * 4;
- }
- //
- function animate() {
- requestAnimationFrame( animate );
- render();
- stats.update();
- }
- function render() {
- const timer = - 0.0002 * Date.now();
- camera.position.x += ( mouseX - camera.position.x ) * .05;
- camera.position.y += ( - mouseY - camera.position.y ) * .05;
- camera.lookAt( scene.position );
- pointLight.position.x = 1500 * Math.cos( timer );
- pointLight.position.z = 1500 * Math.sin( timer );
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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