Add webgl_materials_translucency subsurface scattering demo.

0b26080c · Daosheng Mu · 7a0651d3 · 0b26080c · 0b26080c · 0b26080c
4 changed file
--- a/examples/models/fbx/bunny_thickness.png
+++ b/examples/models/fbx/bunny_thickness.png
--- a/examples/models/fbx/stanford-bunny.fbx
+++ b/examples/models/fbx/stanford-bunny.fbx
--- a/examples/models/fbx/white.jpg
+++ b/examples/models/fbx/white.jpg
--- a/examples/webgl_materials_translucency.html
+++ b/examples/webgl_materials_translucency.html
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+	<title>three.js webgl - Fast subsurface scattering in Blinn-Phong shading demo</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 {
+			color: #fff;
+			font-family: Monospace;
+			font-size: 13px;
+			text-align: center;
+
+			background-color: #000;
+			margin: 0px;
+			overflow: hidden;
+	  }
+
+	  #info {
+			position: absolute;
+			top: 0px; width: 100%;
+			padding: 5px;
+	  }
+	</style>
+  </head>
+  <body>
+
+	<div id="container"></div>
+	<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a>
+		<br/>Fast subsurface scattering in Blinn-Phong shading demo<br/>
+		[Thanks for the art support from <a href="https://github.com/shaochun">Shaochun Lin</a>]
+	</div>
+	<script src="../build/three.js"></script>
+	<script src="js/controls/OrbitControls.js"></script>
+
+	<script src="js/Detector.js"></script>
+	<script src="js/libs/stats.min.js"></script>
+	<script src="js/loaders/FBXLoader.js"></script>
+	<script src="js/ShaderTranslucent.js"></script>
+
+	<script>
+
+		if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+
+		var container, stats, font;
+
+		var camera, scene, renderer, controls;
+
+		init();
+		animate();
+
+		function init() {
+
+			container = document.createElement( 'div' );
+			document.body.appendChild( container );
+			font = font;
+
+			camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 5000 );
+			camera.position.set( 0.0, 300, 400 * 4 );
+
+			scene = new THREE.Scene();
+
+			// Lights
+
+			scene.add( new THREE.AmbientLight( 0x888888 ) );
+
+			var directionalLight = new THREE.DirectionalLight( 0xffffff, 0.03 );
+			directionalLight.position.set( 0.0, 0.5, 0.5 ).normalize();
+			scene.add( directionalLight );
+
+			var pointLight1 = new THREE.Mesh( new THREE.SphereBufferGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0x888888 } ) );
+			pointLight1.add( new THREE.PointLight( 0x888888, 7.0, 300 ) );
+			scene.add( pointLight1 );
+			pointLight1.position.x = 0;
+			pointLight1.position.y = 0;
+			pointLight1.position.z = 350;
+
+			var pointLight2 = new THREE.Mesh( new THREE.SphereBufferGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0x888800 } ) );
+			pointLight2.add( new THREE.PointLight( 0x888800, 1.0, 500 ) );
+			scene.add( pointLight2 );
+			pointLight2.position.x = 150;
+			pointLight2.position.y = -100;
+			pointLight2.position.z = -250;
+
+			renderer = new THREE.WebGLRenderer( { antialias: true } );
+			renderer.setPixelRatio( window.devicePixelRatio );
+			renderer.setSize( window.innerWidth, window.innerHeight );
+			container.appendChild( renderer.domElement );
+
+			renderer.gammaInput = true;
+			renderer.gammaOutput = true;
+
+			//
+
+			stats = new Stats();
+			container.appendChild( stats.dom );
+
+			controls = new THREE.OrbitControls( camera );
+
+			window.addEventListener( 'resize', onWindowResize, false );
+
+			initMaterial();
+		}
+
+		function initMaterial() {
+			var shader = new THREE.TranslucentShader();
+			var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
+
+			// Materials
+
+			var loader = new THREE.TextureLoader();
+			var imgTexture = loader.load("models/fbx/white.jpg");
+			var thicknessTexture = loader.load("models/fbx/bunny_thickness.png");
+			imgTexture.wrapS = imgTexture.wrapT = THREE.RepeatWrapping;
+
+			uniforms[ "map" ].value = imgTexture;
+
+			uniforms[ "diffuse" ].value = new THREE.Vector3(1.0, 0.2, 0.2);
+			uniforms[ "shininess" ].value = 500;
+
+			uniforms[ "thicknessMap" ].value = thicknessTexture;
+			uniforms[ "thicknessColor" ].value = new THREE.Vector3(0.5, 0.3, 0.3);
+			uniforms[ "thicknessDistortion" ].value = 0.1;
+			uniforms[ "thicknessAmbient" ].value = 0.1;
+			uniforms[ "thicknessAttenuation" ].value = 0.8;
+			uniforms[ "thicknessPower" ].value = 2;
+			uniforms[ "thicknessScale" ].value = 10.0;
+
+			var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms, lights: true };
+			var material = new THREE.ShaderMaterial( parameters );
+			material.extensions.derivatives = true;
+
+			// LOADER
+
+			var loader = new THREE.FBXLoader();
+			loader.load("models/fbx/stanford-bunny.fbx", function(object) {
+				loadedModel(object, 1, material);
+			});
+		}
+
+		function loadedModel(object, scale, material) {
+			object.children[0].position.x = 0;
+			object.children[0].position.y = 0;
+			object.children[0].position.z = 10;
+			object.children[0].scale.set(scale, scale, scale);
+			object.children[0].material = material;
+			scene.add(object);
+		}
+
+		function onWindowResize() {
+			camera.aspect = window.innerWidth / window.innerHeight;
+			camera.updateProjectionMatrix();
+
+			renderer.setSize( window.innerWidth, window.innerHeight );
+		}
+
+		//
+
+		function animate() {
+			requestAnimationFrame( animate );
+
+			render();
+			stats.update();
+		}
+
+		function render() {
+			var timer = Date.now() * 0.00025;
+
+			camera.lookAt( scene.position );
+			renderer.render( scene, camera );
+		}
+
+	</script>
+
+  </body>
+</html>