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webgl_materials_bumpmap_skin.html 9.2 KB
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Added bump and specular maps to simple skin shader.  
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<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - bump map - skin [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;
			}
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Cleaned up custom stats.js styling in examples (thanks to @mrdoob for showing...  
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			#stats { position: absolute; top:0; left: 0 }
			#stats #fps { background: transparent !important }
			#stats #fps #fpsText { color: #aaa !important }
			#stats #fps #fpsGraph { display: none }
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		</style>
	</head>

	<body>
		<div id="info">
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Changed three.js link in examples.  
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			<a href="http://threejs.org" target="_blank">three.js</a> - webgl simple single-pass skin material with <a href="http://mmikkelsen3d.blogspot.sk/2011/07/derivative-maps.html">tangent-less bump mapping</a> -
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Added bump and specular maps to simple skin shader.  
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			<a href="http://www.ir-ltd.net/infinite-3d-head-scan-released/" target="_blank">Lee Perry-Smith</a> head
		</div>
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Updated examples with three.min.js include. Closes #2229.  
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		<script src="../build/three.min.js"></script>
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Added bump and specular maps to simple skin shader.  
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		<script src="js/ShaderSkin.js"></script>
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Renamed BlitShader to CopyShader as discussed in 97ee7a81cd963f7f56d5713334be5e0ab3caf31b  
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		<script src="js/shaders/CopyShader.js"></script>
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Added bump and specular maps to simple skin shader.  
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		<script src="js/postprocessing/EffectComposer.js"></script>
		<script src="js/postprocessing/RenderPass.js"></script>
		<script src="js/postprocessing/ShaderPass.js"></script>
		<script src="js/postprocessing/MaskPass.js"></script>

		<script src="js/Detector.js"></script>
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Updated to latest stats.js and moved libs to js/libs.  
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		<script src="js/libs/stats.min.js"></script>
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Added bump and specular maps to simple skin shader.  
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		<script>

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

			var statsEnabled = true;

			var container, stats, loader;

			var camera, scene, renderer;

			var mesh, mesh2;

			var directionalLight, directionalLight2, pointLight, ambientLight, spotLight;

			var mouseX = 0;
			var mouseY = 0;

			var targetX = 0, targetY = 0;


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

			var mapColor, mapHeight, mapSpecular;

			var firstPass = true;

			var composer, composerBeckmann;

			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( 0x555555 );
				scene.add( ambientLight );

				//

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

				scene.add( pointLight );

				// shadow for PointLight

				spotLight = new THREE.SpotLight( 0xffffff, 1 );
				spotLight.position.set( 0.05, 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 = 0.15;

				//

				directionalLight = new THREE.DirectionalLight( 0xffffff, 0.85 );
				directionalLight.position.set( 1, -0.5, 1 );
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Replaced remaining setHSV to setHSL.  
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				directionalLight.color.setHSL( 0.6, 1, 0.85 );
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Added bump and specular maps to simple skin shader.  
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				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 = 0.15;

				//

				directionalLight2 = new THREE.DirectionalLight( 0xffffff, 0.85 );
				directionalLight2.position.set( 1, -0.5, -1 );
				scene.add( directionalLight2 );

				//

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

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

				//
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Removed remaining clearColor/clearAlpha usage from examples.  
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				renderer = new THREE.WebGLRenderer( { antialias: false, alpha: false } );
				renderer.setClearColor( 0x060708, 1 );
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Added bump and specular maps to simple skin shader.  
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				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				var color = new THREE.Color();
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Replaced remaining setHSV to setHSL.  
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				color.setHSL( 0.6, 0.1, 0.3 );
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Added bump and specular maps to simple skin shader.  
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				renderer.setClearColor( color, 1 );

				renderer.shadowMapEnabled = true;
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Renamed renderer.shadowMaterialSide => renderer.shadowMapCullFace  
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				renderer.shadowMapCullFace = THREE.CullFaceBack;
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				renderer.autoClear = false;

				//

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

				//

				if ( statsEnabled ) {

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

				}


				// COMPOSER

				renderer.autoClear = false;

				// BECKMANN

				var effectBeckmann = new THREE.ShaderPass( THREE.ShaderSkin[ "beckmann" ] );
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Renamed BlitShader to CopyShader as discussed in 97ee7a81cd963f7f56d5713334be5e0ab3caf31b  
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				var effectCopy = new THREE.ShaderPass( THREE.CopyShader );
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Renamed BlitShader to CopyShader as discussed in 97ee7a81cd963f7f56d5713334be5e0ab3caf31b  
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				effectCopy.renderToScreen = true;
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				var pars = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBufer: false };
				var rtwidth = 512, rtheight = 512;

				composerBeckmann = new THREE.EffectComposer( renderer, new THREE.WebGLRenderTarget( rtwidth, rtheight, pars ) );
				composerBeckmann.addPass( effectBeckmann );
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Renamed BlitShader to CopyShader as discussed in 97ee7a81cd963f7f56d5713334be5e0ab3caf31b  
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				composerBeckmann.addPass( effectCopy );
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				// EVENTS

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

			}

			function createScene( geometry, scale ) {

				var mapHeight = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );
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Same tweaks also for bump mapped skin example.  
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				mapHeight.anisotropy = 4;
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				mapHeight.repeat.set( 0.998, 0.998 );
				mapHeight.offset.set( 0.001, 0.001 )
				mapHeight.wrapS = mapHeight.wrapT = THREE.RepeatWrapping;
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Same tweaks also for bump mapped skin example.  
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				mapHeight.format = THREE.RGBFormat;
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				var mapSpecular = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-SPEC.jpg" );
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Same tweaks also for bump mapped skin example.  
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				mapSpecular.anisotropy = 4;
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				mapSpecular.repeat.set( 0.998, 0.998 );
				mapSpecular.offset.set( 0.001, 0.001 )
				mapSpecular.wrapS = mapSpecular.wrapT = THREE.RepeatWrapping;
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Same tweaks also for bump mapped skin example.  
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				mapSpecular.format = THREE.RGBFormat;
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				var mapColor = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-COL.jpg" );
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Same tweaks also for bump mapped skin example.  
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				mapColor.anisotropy = 4;
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				mapColor.repeat.set( 0.998, 0.998 );
				mapColor.offset.set( 0.001, 0.001 )
				mapColor.wrapS = mapColor.wrapT = THREE.RepeatWrapping;
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Same tweaks also for bump mapped skin example.  
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				mapColor.format = THREE.RGBFormat;
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Added bump and specular maps to simple skin shader.  
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				var shader = THREE.ShaderSkin[ "skinSimple" ];

				var fragmentShader = shader.fragmentShader;
				var vertexShader = shader.vertexShader;

				var uniforms = THREE.UniformsUtils.clone( shader.uniforms );

				uniforms[ "enableBump" ].value = true;
				uniforms[ "enableSpecular" ].value = true;
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Changed the rest of the lib and examples to use auto-texture units.  
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				uniforms[ "tBeckmann" ].value = composerBeckmann.renderTarget1;
				uniforms[ "tDiffuse" ].value = mapColor;
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Added bump and specular maps to simple skin shader.  
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Changed the rest of the lib and examples to use auto-texture units.  
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				uniforms[ "bumpMap" ].value = mapHeight;
				uniforms[ "specularMap" ].value = mapSpecular;
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Added bump and specular maps to simple skin shader.  
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				uniforms[ "uAmbientColor" ].value.setHex( 0xa0a0a0 );
				uniforms[ "uDiffuseColor" ].value.setHex( 0xa0a0a0 );
				uniforms[ "uSpecularColor" ].value.setHex( 0xa0a0a0 );

				uniforms[ "uRoughness" ].value = 0.145;
				uniforms[ "uSpecularBrightness" ].value = 0.75;

				uniforms[ "bumpScale" ].value = 16;

				uniforms[ "offsetRepeat" ].value.set( 0.001, 0.001, 0.998, 0.998 );

				var material = new THREE.ShaderMaterial( { fragmentShader: fragmentShader, vertexShader: vertexShader, uniforms: uniforms, lights: true } );

				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 ) * 1;
				mouseY = ( event.clientY - windowHalfY ) * 1;

			}

			//

			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 );

				}

				if ( firstPass ) {

					composerBeckmann.render();
					firstPass = false;

				}

				renderer.clear();
				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>