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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials - cube reflection / refraction [Walt]</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> - cube mapping demo.<br />
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>
</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import Stats from 'three/addons/libs/stats.module.js';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { OBJLoader } from 'three/addons/loaders/OBJLoader.js';
let container, stats;
let camera, scene, renderer;
let pointLight;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 5000 );
camera.position.z = 2000;
//cubemap
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 );
const refractionCube = new THREE.CubeTextureLoader().load( urls );
refractionCube.mapping = THREE.CubeRefractionMapping;
scene = new THREE.Scene();
scene.background = reflectionCube;
//lights
const ambient = new THREE.AmbientLight( 0xffffff );
scene.add( ambient );
pointLight = new THREE.PointLight( 0xffffff, 2 );
scene.add( pointLight );
//materials
const cubeMaterial3 = new THREE.MeshLambertMaterial( { color: 0xff6600, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.3 } );
const cubeMaterial2 = new THREE.MeshLambertMaterial( { color: 0xffee00, envMap: refractionCube, refractionRatio: 0.95 } );
const cubeMaterial1 = new THREE.MeshLambertMaterial( { color: 0xffffff, envMap: reflectionCube } );
//models
const objLoader = new OBJLoader();
objLoader.setPath( 'models/obj/walt/' );
objLoader.load( 'WaltHead.obj', function ( object ) {
const head = object.children[ 0 ];
head.scale.multiplyScalar( 15 );
head.position.y = - 500;
head.material = cubeMaterial1;
const head2 = head.clone();
head2.position.x = - 900;
head2.material = cubeMaterial2;
const head3 = head.clone();
head3.position.x = 900;
head3.material = cubeMaterial3;
scene.add( head, head2, head3 );
} );
//renderer
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
//controls
const controls = new OrbitControls( camera, renderer.domElement );
controls.enableZoom = false;
controls.enablePan = false;
controls.minPolarAngle = Math.PI / 4;
controls.maxPolarAngle = Math.PI / 1.5;
//stats
stats = new Stats();
container.appendChild( stats.dom );
window.addEventListener( 'resize', onWindowResize );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
render();
}
function render() {
renderer.render( scene, camera );
stats.update();
}
</script>
</body>
</html>