javascript
/
three.js
spegling av https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - pyhsical</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				background:#000;
				color:#fff;
				padding:0;
				margin:0;
				font-weight: bold;
				overflow:hidden;
			}

			a {	color: #ffffff;	}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				color: #ffffff;
				padding: 5px;
				font-family:Monospace;
				font-size:13px;
				text-align:center;
				z-index:1000;
			}

			#oldie {
				background:rgb(200,100,0) !important;
				color:#fff;
			}

			#vt { display:none }
			#vt, #vt a { color:orange; }

			#stats { position: absolute; top:0; left: 0 }
			#stats #fps { background: transparent !important }
			#stats #fps #fpsText { color: #aaa !important }
			#stats #fps #fpsGraph { display: none }
		</style>
	</head>

	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank">three.js</a> - webgl physically based material - <a href="http://www.polycount.com/forum/showthread.php?t=130641" target="_blank">Cerberus(FFVII Gun) model</a> by Andrew Maximov.
		</div>

		<script src="../build/three.min.js"></script>

		<script src="js/controls/TrackballControls.js"></script>
		<script src="js/loaders/OBJLoader.js"></script>
		<script src="js/loaders/RGBELoader.js"></script>
		<script src="js/loaders/HDRCubeTextureLoader.js"></script>
		<script src="js/Half.js"></script>
		<script src="js/Encodings.js"></script>
		<script src="js/pmrem/PMREMGenerator.js"></script>
		<script src="js/pmrem/PMREMCubeUVPacker.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var statsEnabled = true;

			var container, stats, loader;

			var camera, scene, renderer;
			var cameraCube, sceneCube;

			var controls;

			var mesh;

			var spotLight;

			init();
			animate();

			function init() {

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

				//

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 1000 );
				camera.position.z = 2;

				controls = new THREE.TrackballControls( camera );

				//

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setClearColor( 0x202020 );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				renderer.autoClear = false;
				renderer.gammaInput = true;
				renderer.gammaOutput = true;
				renderer.toneMapping = THREE.ReinhardToneMapping;
				renderer.toneMappingExposure = 3;


				scene = new THREE.Scene();

				sceneCube = new THREE.Scene();
				cameraCube = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
				sceneCube.add( cameraCube );

				// LIGHTS

				scene.add( new THREE.HemisphereLight( 0x443333, 0x222233, 4 ) );
				// scene.add( new THREE.AmbientLight( 0xffffff ) );

				//

				var loader = new THREE.CubeTextureLoader();
				loader.setPath( 'textures/cube/pisa/' );
				var textureCube = loader.load( [
					"px.png", "nx.png",
					"py.png", "ny.png",
					"pz.png", "nz.png"
				] );

				var shader = THREE.ShaderLib[ "cube" ];
				shader.uniforms[ "tCube" ].value = textureCube;

				var materialBG = new THREE.ShaderMaterial( {

					fragmentShader: shader.fragmentShader,
					vertexShader: shader.vertexShader,
					uniforms: shader.uniforms,
					depthWrite: false,
					side: THREE.BackSide

				} ),

				mesh = new THREE.Mesh( new THREE.BoxGeometry( 100, 100, 100 ), materialBG );
				sceneCube.add( mesh );

				//

				var path = 'models/obj/cerberus/';

				var loader = new THREE.OBJLoader();
				var material = new THREE.MeshStandardMaterial();
				loader.load( path + 'Cerberus.obj', function ( group ) {

					// var material = new THREE.MeshBasicMaterial( { wireframe: true } );

					var loader = new THREE.TextureLoader();

					material.roughness = 1;
					material.metalness = 1;

					material.map = loader.load( path + 'Cerberus_A.jpg' );
					material.roughnessMap = loader.load( path + 'Cerberus_R.jpg' );
					material.metalnessMap = loader.load( path + 'Cerberus_M.jpg' );
					material.normalMap = loader.load( path + 'Cerberus_N.jpg' );

					material.map.wrapS = THREE.RepeatWrapping;
					material.roughnessMap.wrapS = THREE.RepeatWrapping;
					material.metalnessMap.wrapS = THREE.RepeatWrapping;
					material.normalMap.wrapS = THREE.RepeatWrapping;

					group.traverse( function ( child ) {

						if ( child instanceof THREE.Mesh ) {

							child.material = material;

						}

					} );

					group.position.x = - 0.45;
					group.rotation.y = - Math.PI / 2;
					scene.add( group );

				} );

				var genCubeUrls = function( prefix, postfix ) {
					return [
						prefix + 'px' + postfix, prefix + 'nx' + postfix,
						prefix + 'py' + postfix, prefix + 'ny' + postfix,
						prefix + 'pz' + postfix, prefix + 'nz' + postfix
					];
				};

				var hdrUrls = genCubeUrls( "./textures/cube/pisaHDR/", ".hdr" );
				new THREE.HDRCubeTextureLoader().load( THREE.UnsignedByteType, hdrUrls, function ( hdrCubeMap ) {

					var pmremGenerator = new THREE.PMREMGenerator( hdrCubeMap );
					pmremGenerator.update( renderer );

					var pmremCubeUVPacker = new THREE.PMREMCubeUVPacker( pmremGenerator.cubeLods );
					pmremCubeUVPacker.update( renderer );

					hdrCubeRenderTarget = pmremCubeUVPacker.CubeUVRenderTarget;

					material.envMap = hdrCubeRenderTarget;
					material.needsUpdate = true;
				} );

				//

				if ( statsEnabled ) {

					stats = new Stats();
					container.appendChild( stats.domElement );

				}

				window.addEventListener( 'resize', onWindowResize, false );

			}

			//

			function onWindowResize( event ) {

				SCREEN_WIDTH = window.innerWidth;
				SCREEN_HEIGHT = window.innerHeight;

				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );

				camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
				camera.updateProjectionMatrix();

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				controls.update();

				cameraCube.quaternion.copy( camera.quaternion );

				renderer.render( sceneCube, cameraCube );
				renderer.render( scene, camera );

				if ( statsEnabled ) stats.update();

			}

		</script>

	</body>
</html>