javascript
/
three.js
mirror de https://github.com/tazdij/three.js.git


			
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							<!doctype html>
<html lang="en">
	<head>
		<title>three.js webgl - lights - point lights</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-color: #000;
				margin: 0px;
				overflow: hidden;
			}

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

			a {
				color: #ff0080;
				text-decoration: none;
			}

			a:hover {
				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> - point lights WebGL demo
		</div>

		<script src="../build/Three.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/Stats.js"></script>

		<script>

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

			var camera, scene, renderer, controls,
			particle1, particle2, particle4, particle4, particle5, particle6,
			light1, light2, light3, light4, light5, light6;

			var FAR = 300;

			var clock = new THREE.Clock();

			init();
			animate();

			function init() {

				var container = document.getElementById( 'container' );

				// SCENE

				scene = new THREE.Scene();

				scene.fog = new THREE.Fog( 0x030303, 10, FAR );
				scene.fog.color.setHSV( 0.75, 0.5, 0.025 );

				// CAMERA

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, FAR );
				camera.position.set( 0, 15, 150 );
				scene.add( camera );

				camera.lookAt( scene.position );

				// CONTROLS

				var fly = false;

				if ( !fly ) {

					controls = new THREE.TrackballControls( camera );
					controls.target.set( 0, 0, 0 );

					controls.rotateSpeed = 1.0;
					controls.zoomSpeed = 1.2;
					controls.panSpeed = 0.8;

					controls.noZoom = false;
					controls.noPan = false;

					controls.staticMoving = false;
					controls.dynamicDampingFactor = 0.15;

					controls.keys = [ 65, 83, 68 ];

				} else {

					controls = new THREE.FirstPersonControls( camera );

					controls.movementSpeed = 25;
					controls.lookSpeed = 0.05;
					controls.lookVertical = true;

					controls.lon = -90;

				}


				// TEXTURES

				var texture = THREE.ImageUtils.loadTexture( "textures/disturb.jpg" );
				texture.repeat.set( 20, 10 );
				texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
				texture.format = THREE.RGBFormat;

				var texture2 = THREE.ImageUtils.loadTexture( "textures/planets/moon_1024.jpg" );
				texture2.repeat.set( 2, 1 );
				texture2.wrapS = texture2.wrapT = THREE.RepeatWrapping;
				texture2.format = THREE.RGBFormat;

				// MATERIALS

				var groundMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff, ambient: 0x444444, map: texture, perPixel: true } );
				var objectMaterial = new THREE.MeshPhongMaterial( { color: 0x000000, ambient: 0x111111, specular: 0xffffff, perPixel: true, metal: true, map: texture2 } );

				// GROUND

				var mesh = new THREE.Mesh( new THREE.PlaneGeometry( 800, 400, 2, 2 ), groundMaterial );
				mesh.position.y = -5;
				scene.add( mesh );

				// OBJECTS

				//var objectGeometry = new THREE.CubeGeometry( 0.5, 1, 1 );
				//var objectGeometry = new THREE.SphereGeometry( 1.5, 16, 8 );
				var objectGeometry = new THREE.TorusGeometry( 1.5, 0.4, 8, 16 );

				for ( var i = 0; i < 5000; i ++ ) {

					var mesh = new THREE.Mesh( objectGeometry, objectMaterial );

					mesh.position.x = 400 * ( 0.5 - Math.random() );
					mesh.position.y = 50 * ( 0.5 - Math.random() ) + 25;
					mesh.position.z = 200 * ( 0.5 - Math.random() );

					mesh.rotation.y = 3.14 * ( 0.5 - Math.random() );
					mesh.rotation.x = 3.14 * ( 0.5 - Math.random() );

					mesh.matrixAutoUpdate = false;
					mesh.updateMatrix();
					scene.add( mesh );

				}

				// LIGHTS

				scene.add( new THREE.AmbientLight( 0x111111 ) );

				var intensity = 2.5;
				var distance = 100;
				var c1 = 0xff0040, c2 = 0x0040ff, c3 = 0x80ff80, c4 = 0xffaa00, c5 = 0x00ffaa, c6 = 0xff1100;
				//var c1 = 0xffffff, c2 = 0xffffff, c3 = 0xffffff, c4 = 0xffffff, c5 = 0xffffff, c6 = 0xffffff;

				light1 = new THREE.PointLight( c1, intensity, distance );
				scene.add( light1 );

				light2 = new THREE.PointLight( c2, intensity, distance );
				scene.add( light2 );

				light3 = new THREE.PointLight( c3, intensity, distance );
				scene.add( light3 );

				light4 = new THREE.PointLight( c4, intensity, distance );
				scene.add( light4 );

				light5 = new THREE.PointLight( c5, intensity, distance );
				scene.add( light5 );

				light6 = new THREE.PointLight( c6, intensity, distance );
				scene.add( light6 );

				var dlight = new THREE.DirectionalLight( 0xffffff, 0.1 );
				dlight.position.set( 0.5, -1, 0 ).normalize();
				scene.add( dlight );

				var sphere = new THREE.SphereGeometry( 0.25, 16, 8 );

				var l1 = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c1 } ) );
				l1.position = light1.position;
				scene.add( l1 );

				var l2 = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c2 } ) );
				l2.position = light2.position;
				scene.add( l2 );

				var l3 = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c3 } ) );
				l3.position = light3.position;
				scene.add( l3 );

				var l4 = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c4 } ) );
				l4.position = light4.position;
				scene.add( l4 );

				var l5 = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c5 } ) );
				l5.position = light5.position;
				scene.add( l5 );

				var l6 = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c6 } ) );
				l6.position = light6.position;
				scene.add( l6 );

				// RENDERER

				renderer = new THREE.WebGLRenderer( { maxLights: 10, antialias: false, clearColor: 0x030303, clearAlpha: 1 } );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setClearColor( scene.fog.color, 1 );

				container.appendChild( renderer.domElement );

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

				// STATS

				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 );

				//

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

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

				controls.handleResize();

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var time = Date.now() * 0.00025;
				var z = 20, d = 150;

				light1.position.x = Math.sin( time * 0.7 ) * d;
				light1.position.z = Math.cos( time * 0.3 ) * d;

				light2.position.x = Math.cos( time * 0.3 ) * d;
				light2.position.z = Math.sin( time * 0.7 ) * d;

				light3.position.x = Math.sin( time * 0.7 ) * d;
				light3.position.z = Math.sin( time * 0.5 ) * d;

				light4.position.x = Math.sin( time * 0.3 ) * d;
				light4.position.z = Math.sin( time * 0.5 ) * d;

				light5.position.x = Math.cos( time * 0.3 ) * d;
				light5.position.z = Math.sin( time * 0.5 ) * d;

				light6.position.x = Math.cos( time * 0.7 ) * d;
				light6.position.z = Math.cos( time * 0.5 ) * d;

				controls.update( clock.getDelta() );

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>