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194 lines
4.9 KiB
194 lines
4.9 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - materials - cube refraction [Lucy]</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">Three.js</a> cube map refraction demo<br/>
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Lucy model from <a href="http://graphics.stanford.edu/data/3Dscanrep/">Stanford 3d scanning repository<br/>
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Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank" rel="noopener">Humus</a>
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.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 Stats from 'three/addons/libs/stats.module.js';
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import { PLYLoader } from 'three/addons/loaders/PLYLoader.js';
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let container, stats;
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let camera, scene, renderer;
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let pointLight;
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let mouseX = 0, mouseY = 0;
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let windowHalfX = window.innerWidth / 2;
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let windowHalfY = window.innerHeight / 2;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
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camera.position.z = - 4000;
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//
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const r = 'textures/cube/Park3Med/';
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const urls = [
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r + 'px.jpg', r + 'nx.jpg',
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r + 'py.jpg', r + 'ny.jpg',
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r + 'pz.jpg', r + 'nz.jpg'
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];
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const textureCube = new THREE.CubeTextureLoader().load( urls );
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textureCube.mapping = THREE.CubeRefractionMapping;
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scene = new THREE.Scene();
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scene.background = textureCube;
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// LIGHTS
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const ambient = new THREE.AmbientLight( 0xffffff );
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scene.add( ambient );
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pointLight = new THREE.PointLight( 0xffffff, 2 );
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scene.add( pointLight );
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// light representation
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const sphere = new THREE.SphereGeometry( 100, 16, 8 );
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const mesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
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mesh.scale.set( 0.05, 0.05, 0.05 );
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pointLight.add( mesh );
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// material samples
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const cubeMaterial3 = new THREE.MeshPhongMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity: 0.9 } );
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const cubeMaterial2 = new THREE.MeshPhongMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
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const cubeMaterial1 = new THREE.MeshPhongMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } );
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//
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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stats = new Stats();
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container.appendChild( stats.dom );
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const loader = new PLYLoader();
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loader.load( 'models/ply/binary/Lucy100k.ply', function ( geometry ) {
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createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 );
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} );
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document.addEventListener( 'mousemove', onDocumentMouseMove );
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//
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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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 createScene( geometry, m1, m2, m3 ) {
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geometry.computeVertexNormals();
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const s = 1.5;
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let mesh = new THREE.Mesh( geometry, m1 );
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mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
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scene.add( mesh );
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mesh = new THREE.Mesh( geometry, m2 );
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mesh.position.x = - 1500;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
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scene.add( mesh );
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mesh = new THREE.Mesh( geometry, m3 );
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mesh.position.x = 1500;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
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scene.add( mesh );
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}
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function onDocumentMouseMove( event ) {
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mouseX = ( event.clientX - windowHalfX ) * 4;
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mouseY = ( event.clientY - windowHalfY ) * 4;
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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const timer = - 0.0002 * Date.now();
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camera.position.x += ( mouseX - camera.position.x ) * .05;
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camera.position.y += ( - mouseY - camera.position.y ) * .05;
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camera.lookAt( scene.position );
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pointLight.position.x = 1500 * Math.cos( timer );
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pointLight.position.z = 1500 * Math.sin( timer );
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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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