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Added mesh vertex color example.

alteredq 14 年之前
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f5642a3beb
共有 1 个文件被更改,包括 186 次插入0 次删除
  1. 186 0
      examples/geometry_colors.html

+ 186 - 0
examples/geometry_colors.html

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+<!DOCTYPE HTML>
+<html lang="en">
+	<head>
+		<title>three.js - geometry - vertex colors</title>
+		<meta charset="utf-8">
+		<style type="text/css">
+			body {
+				color: #808080;
+				font-family:Monospace;
+				font-size:13px;
+				text-align:center;
+
+				background-color: #fff;
+				margin: 0px;
+				overflow: hidden;
+			}
+
+			#info {
+				position: absolute;
+				top: 0px; width: 100%;
+				padding: 5px;
+			}
+
+			a {
+
+				color: #0080ff;
+			}
+
+		</style>
+	</head>
+	<body>
+
+		<div id="container"></div> 
+		<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - vertex colors - webgl</div>
+
+		<script type="text/javascript" src="js/Stats.js"></script>
+
+		<script type="text/javascript" src="../build/ThreeExtras.js"></script>
+
+		<script type="text/javascript">
+
+			var container, stats;
+
+			var camera, scene, renderer;
+
+			var mesh, mesh2, mesh3, light;
+
+			var mouseX = 0, mouseY = 0;
+
+			var windowHalfX = window.innerWidth / 2;
+			var windowHalfY = window.innerHeight / 2;
+
+
+			init();
+			setInterval( loop, 1000 / 60 );
+
+
+			function init() {
+
+				container = document.getElementById( 'container' );
+
+				camera = new THREE.Camera( 20, window.innerWidth / window.innerHeight, 1, 10000 );
+				camera.position.z = 1800;
+
+				scene = new THREE.Scene();
+				
+				light = new THREE.DirectionalLight( 0xffffff );
+				light.position.set( 0, 0, 1 );
+				light.position.normalize();
+				scene.addLight( light );
+
+				var shadowMaterial = new THREE.MeshBasicMaterial( { map: ImageUtils.loadTexture( 'textures/shadow.png' ) } );
+				var shadowGeo = new Plane( 300, 300, 1, 1 );
+				
+				mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
+				mesh.position.y = - 250;
+				mesh.rotation.x = - 90 * Math.PI / 180;
+				scene.addObject( mesh );
+
+				mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
+				mesh.position.y = - 250;
+				mesh.position.x = - 400;
+				mesh.rotation.x = - 90 * Math.PI / 180;
+				scene.addObject( mesh );
+
+				mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
+				mesh.position.y = - 250;
+				mesh.position.x = 400;
+				mesh.rotation.x = - 90 * Math.PI / 180;
+				scene.addObject( mesh );
+
+				var color, p, colors = [], colors2 = [], colors3 = [],
+					
+					geometry = new Icosahedron( 1 ),
+					geometry2 = new THREE.Geometry(),
+					geometry3 = new THREE.Geometry();
+					
+				for( var i = 0; i < geometry.vertices.length; i++ ) {
+				
+					p = geometry.vertices[ i ].position;
+					
+					color = new THREE.Color( 0xffffff );
+					color.setHSV( ( p.y + 1 ) / 2, 1.0, 1.0 );
+					colors[ i ] = color;
+
+					color = new THREE.Color( 0xffffff );
+					color.setHSV( 0.0, ( p.y + 1 ) / 2, 1.0 );
+					colors2[ i ] = color;
+
+					color = new THREE.Color( 0xffffff );
+					color.setHSV( 0.125 * i/geometry.vertices.length, 1.0, 1.0 );
+					colors3[ i ] = color;
+
+				}
+
+				geometry3.vertices = geometry2.vertices = geometry.vertices;
+				geometry3.faces = geometry2.faces = geometry.faces;
+				
+				geometry2.sortFacesByMaterial();
+				geometry3.sortFacesByMaterial();
+				
+				geometry.colors = colors;
+				geometry2.colors = colors2;
+				geometry3.colors = colors3;
+				
+				var materials = [
+					
+					new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertex_colors: true } ),
+					new THREE.MeshBasicMaterial( { color: 0x000000, shading: THREE.FlatShading, wireframe: true } )
+					
+				];
+				
+				mesh = new THREE.Mesh( geometry, materials  );
+				mesh.position.x = -400;
+				mesh.scale.x = mesh.scale.y = mesh.scale.z = 200;
+				mesh.rotation.x = -1.87;
+				scene.addObject( mesh );
+
+				mesh2 = new THREE.Mesh( geometry2, materials  );
+				mesh2.position.x = 400;
+				mesh2.rotation.x = 0;
+				mesh2.scale = mesh.scale;
+				scene.addObject( mesh2 );
+
+				mesh3 = new THREE.Mesh( geometry3, materials  );
+				mesh3.position.x = 0;
+				mesh3.rotation.x = 0;
+				mesh3.scale = mesh.scale;
+				scene.addObject( mesh3 );
+
+				renderer = new THREE.WebGLRenderer();
+				renderer.setSize( window.innerWidth, window.innerHeight );
+
+				container.appendChild( renderer.domElement );
+
+				stats = new Stats();
+				stats.domElement.style.position = 'absolute';
+				stats.domElement.style.top = '0px';
+				container.appendChild( stats.domElement );
+
+				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
+
+			}
+
+			function onDocumentMouseMove( event ) {
+
+				mouseX = ( event.clientX - windowHalfX );
+				mouseY = ( event.clientY - windowHalfY );
+
+			}
+
+			function loop() {
+
+				camera.position.x += ( mouseX - camera.position.x ) * 0.05;
+				camera.position.y += ( - mouseY - camera.position.y ) * 0.05;
+
+				renderer.render( scene, camera );
+				stats.update();
+
+			}
+
+
+		</script>
+
+	</body>
+</html>