javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
				
					
						
						
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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="http://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://davidoreilly.com/post/18087489343/disneyhead" target="_blank" rel="noopener">David OReilly</a>
		</div>

		<script type="module">
			import {
				AmbientLight,
				CubeTextureLoader,
				CubeRefractionMapping,
				MeshLambertMaterial,
				MixOperation,
				PerspectiveCamera,
				PointLight,
				RGBFormat,
				Scene,
				WebGLRenderer,
			} from "../build/three.module.js";

			import Stats from './jsm/libs/stats.module.js';

			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { OBJLoader } from './jsm/loaders/OBJLoader.js';

			var container, stats;

			var camera, scene, renderer;

			var pointLight;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				camera = new PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 5000 );
				camera.position.z = 2000;

				//cubemap
				var path = 'textures/cube/SwedishRoyalCastle/';
				var format = '.jpg';
				var urls = [
					path + 'px' + format, path + 'nx' + format,
					path + 'py' + format, path + 'ny' + format,
					path + 'pz' + format, path + 'nz' + format
				];

				var reflectionCube = new CubeTextureLoader().load( urls );
				reflectionCube.format = RGBFormat;

				var refractionCube = new CubeTextureLoader().load( urls );
				refractionCube.mapping = CubeRefractionMapping;
				refractionCube.format = RGBFormat;

				scene = new Scene();
				scene.background = reflectionCube;

				//lights
				var ambient = new AmbientLight( 0xffffff );
				scene.add( ambient );

				pointLight = new PointLight( 0xffffff, 2 );
				scene.add( pointLight );

				//materials
				var cubeMaterial3 = new MeshLambertMaterial( { color: 0xff6600, envMap: reflectionCube, combine: MixOperation, reflectivity: 0.3 } );
				var cubeMaterial2 = new MeshLambertMaterial( { color: 0xffee00, envMap: refractionCube, refractionRatio: 0.95 } );
				var cubeMaterial1 = new MeshLambertMaterial( { color: 0xffffff, envMap: reflectionCube } );

				//models
				var objLoader = new OBJLoader();

				objLoader.setPath( 'models/obj/walt/' );
				objLoader.load( 'WaltHead.obj', function ( object ) {

					var head = object.children[ 0 ];

					head.scale.multiplyScalar( 15 );
					head.position.y = - 500;
					head.material = cubeMaterial1;

					var head2 = head.clone();
					head2.position.x = - 900;
					head2.material = cubeMaterial2;

					var head3 = head.clone();
					head3.position.x = 900;
					head3.material = cubeMaterial3;

					scene.add( head, head2, head3 );

				} );

				//renderer
				renderer = new WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				//controls
				var 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, false );

			}

			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>