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156 lines
4.3 KiB
156 lines
4.3 KiB
3 years 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 webgl - materials - cube reflection / refraction [Walt]</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="container"></div>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - cube mapping demo.<br />
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Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank" rel="noopener">Humus</a>, Walt Disney head by <a href="http://web.archive.org/web/20120903131400/http://davidoreilly.com/post/18087489343/disneyhead" target="_blank" rel="noopener">David OReilly</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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { OBJLoader } from 'three/addons/loaders/OBJLoader.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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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, 5000 );
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camera.position.z = 2000;
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//cubemap
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const path = 'textures/cube/SwedishRoyalCastle/';
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const format = '.jpg';
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const urls = [
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path + 'px' + format, path + 'nx' + format,
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path + 'py' + format, path + 'ny' + format,
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path + 'pz' + format, path + 'nz' + format
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];
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const reflectionCube = new THREE.CubeTextureLoader().load( urls );
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const refractionCube = new THREE.CubeTextureLoader().load( urls );
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refractionCube.mapping = THREE.CubeRefractionMapping;
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scene = new THREE.Scene();
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scene.background = reflectionCube;
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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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//materials
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const cubeMaterial3 = new THREE.MeshLambertMaterial( { color: 0xff6600, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.3 } );
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const cubeMaterial2 = new THREE.MeshLambertMaterial( { color: 0xffee00, envMap: refractionCube, refractionRatio: 0.95 } );
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const cubeMaterial1 = new THREE.MeshLambertMaterial( { color: 0xffffff, envMap: reflectionCube } );
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//models
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const objLoader = new OBJLoader();
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objLoader.setPath( 'models/obj/walt/' );
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objLoader.load( 'WaltHead.obj', function ( object ) {
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const head = object.children[ 0 ];
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head.scale.multiplyScalar( 15 );
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head.position.y = - 500;
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head.material = cubeMaterial1;
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const head2 = head.clone();
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head2.position.x = - 900;
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head2.material = cubeMaterial2;
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const head3 = head.clone();
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head3.position.x = 900;
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head3.material = cubeMaterial3;
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scene.add( head, head2, head3 );
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} );
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//renderer
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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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//controls
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.enableZoom = false;
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controls.enablePan = false;
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controls.minPolarAngle = Math.PI / 4;
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controls.maxPolarAngle = Math.PI / 1.5;
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//stats
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stats = new Stats();
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container.appendChild( stats.dom );
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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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requestAnimationFrame( animate );
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render();
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}
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function render() {
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renderer.render( scene, camera );
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stats.update();
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}
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</script>
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</body>
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</html>
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