examples/webgl_materials_bumpmap.html

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<html lang="en">
	<head>
		<title>three.js webgl - materials - bump map [Lee Perry-Smith]</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; }
			.code { }

		</style>
	</head>

	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank">three.js</a> - webgl bump mapping without tangents using <a href="http://mmikkelsen3d.blogspot.sk/2011/07/derivative-maps.html">Morten Mikkelsen's</a> method -
			<a href="http://www.ir-ltd.net/infinite-3d-head-scan-released/" target="_blank">Lee Perry-Smith</a> head
		</div>

		<script src="../build/three.min.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 mesh;

			var directionalLight, directionalLight2, pointLight, ambientLight, spotLight;

			var mouseX = 0;
			var mouseY = 0;

			var targetX = 0;
			var targetY = 0;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			init();
			animate();

			function init() {

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

				//

				camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 1200;

				scene = new THREE.Scene();

				// LIGHTS

				ambientLight = new THREE.AmbientLight( 0x444444 );
				scene.add( ambientLight );

				//

				pointLight = new THREE.PointLight( 0xffffff, 1.5, 1000 );
				pointLight.color.setHSV( 0.05, 0.05, 1 );
				pointLight.position.set( 0, 0, 600 );

				scene.add( pointLight );

				// shadow for PointLight

				spotLight = new THREE.SpotLight( 0xffffff, 1.5 );
				spotLight.position.set( 0.05, 0.05, 1 );
				spotLight.color.setHSV( 0.6, 0.05, 1 );
				scene.add( spotLight );

				spotLight.position.multiplyScalar( 700 );

				spotLight.castShadow = true;
				spotLight.onlyShadow = true;
				//spotLight.shadowCameraVisible = true;

				spotLight.shadowMapWidth = 2048;
				spotLight.shadowMapHeight = 2048;

				spotLight.shadowCameraNear = 200;
				spotLight.shadowCameraFar = 1500;

				spotLight.shadowCameraFov = 40;

				spotLight.shadowBias = -0.005;
				spotLight.shadowDarkness = 0.35;

				//

				directionalLight = new THREE.DirectionalLight( 0xffffff, 1.5 );
				directionalLight.position.set( 1, -0.5, 1 );
				directionalLight.color.setHSV( 0.6, 0.05, 1 );
				scene.add( directionalLight );

				directionalLight.position.multiplyScalar( 500 );

				directionalLight.castShadow = true;
				//directionalLight.shadowCameraVisible = true;

				directionalLight.shadowMapWidth = 2048;
				directionalLight.shadowMapHeight = 2048;

				directionalLight.shadowCameraNear = 200;
				directionalLight.shadowCameraFar = 1500;

				directionalLight.shadowCameraLeft = -500;
				directionalLight.shadowCameraRight = 500;
				directionalLight.shadowCameraTop = 500;
				directionalLight.shadowCameraBottom = -500;

				directionalLight.shadowBias = -0.005;
				directionalLight.shadowDarkness = 0.35;

				//

				directionalLight2 = new THREE.DirectionalLight( 0xffffff, 1.2 );
				directionalLight2.position.set( 1, -0.5, -1 );
				directionalLight2.color.setHSV( 0.08, 0.35, 1 );
				scene.add( directionalLight2 );

				var mapHeight = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );

				mapHeight.anisotropy = 4;
				mapHeight.repeat.set( 0.998, 0.998 );
				mapHeight.offset.set( 0.001, 0.001 )
				mapHeight.wrapS = mapHeight.wrapT = THREE.RepeatWrapping;
				mapHeight.format = THREE.RGBFormat;

				var material = new THREE.MeshPhongMaterial( { ambient: 0x552811, color: 0x552811, specular: 0x333333, shininess: 25, perPixel: true, bumpMap: mapHeight, bumpScale: 19, metal: false } );

				loader = new THREE.JSONLoader( true );
				document.body.appendChild( loader.statusDomElement );

				loader.load( "obj/leeperrysmith/LeePerrySmith.js", function( geometry ) { createScene( geometry, 100, material ) } );

				renderer = new THREE.WebGLRenderer( { antialias: false, clearColor: 0x060708, clearAlpha: 1, alpha: false } );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				renderer.shadowMapEnabled = true;
				renderer.shadowMapCullFrontFaces = false;

				//

				renderer.gammaInput = true;
				renderer.gammaOutput = true;
				renderer.physicallyBasedShading = true;

				//

				if ( statsEnabled ) {

					stats = new Stats();
					stats.domElement.style.position = 'absolute';
					stats.domElement.style.top = '0px';
					stats.domElement.style.zIndex = 100;

					stats.domElement.children[ 0 ].children[ 0 ].style.color = "#aaa";
					stats.domElement.children[ 0 ].style.background = "transparent";
					stats.domElement.children[ 0 ].children[ 1 ].style.display = "none";

					container.appendChild( stats.domElement );

				}

				// EVENTS

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
				window.addEventListener( 'resize', onWindowResize, false );

			}

			function createScene( geometry, scale, material ) {

				mesh = new THREE.Mesh( geometry, material );

				mesh.position.y = - 50;
				mesh.scale.set( scale, scale, scale );

				mesh.castShadow = true;
				mesh.receiveShadow = true;

				scene.add( mesh );

				loader.statusDomElement.style.display = "none";

			}

			//

			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 onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowHalfX );
				mouseY = ( event.clientY - windowHalfY );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				if ( statsEnabled ) stats.update();

			}

			function render() {

				targetX = mouseX * .001;
				targetY = mouseY * .001;

				if ( mesh ) {

					mesh.rotation.y += 0.05 * ( targetX - mesh.rotation.y );
					mesh.rotation.x += 0.05 * ( targetY - mesh.rotation.x );

				}

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>