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


			
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js webgl - trackball camera</title>
		<meta charset="utf-8">
		<style type="text/css">
		    body {
			color: #000;
			font-family:Monospace;
			font-size:13px;
			text-align:center;
			font-weight: bold;

			background-color: #fff;
			margin: 0px;
			overflow: hidden;
		    }

		    #info {
					color:#000;
			position: absolute;
			top: 0px; width: 100%;
			padding: 5px;

		    }

		    a { color: red; }

		</style>
	</head>

	<body>
		<div id="container"></div>
		<div id="info">
			<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - trackball camera example</br>
			MOVE mouse & press LEFT/A: rotate, MIDDLE/S: zoom, RIGHT/D: pan
		</div>

		<script type="text/javascript" src="../build/Three.js"></script>

		<script type="text/javascript" src="js/Stats.js"></script>

		<script type="text/javascript">
		
			var statsEnabled = true;

			var container, stats;

			var camera, scene, renderer;

			var cross;

			init();

			function init() {

				// scene and camera

				scene = new THREE.Scene();
				scene.fog = new THREE.FogExp2( 0xffffff, 0.002 );

				camera = new THREE.TrackballCamera({

					fov: 60, 
					aspect: window.innerWidth / window.innerHeight,
					near: 1,
					far: 1e3,

					rotateSpeed: 1.0,
					zoomSpeed: 1.2,
					panSpeed: 0.8,

					noZoom: false,
					noPan: false,

					staticMoving: true,
					dynamicDampingFactor: 0.3,

					keys: [ 65, 83, 68 ]

				});

				camera.position.z = 500;

				// world

				var cube = new THREE.CubeGeometry( 20, 60, 20 );
				
				cube.vertices[ 0 ].position.multiplyScalar( 0.01 );
				cube.vertices[ 1 ].position.multiplyScalar( 0.01 );
				cube.vertices[ 4 ].position.multiplyScalar( 0.01 );
				cube.vertices[ 5 ].position.multiplyScalar( 0.01 );
				
				var material =  new THREE.MeshLambertMaterial( { color:0xffffff } );

				for( var i = 0; i < 500; i++ ) {
					
					var mesh = new THREE.Mesh( cube, material );
					mesh.position.set(( Math.random() - 0.5 ) * 1000,
									  ( Math.random() - 0.5 ) * 1000,
									  ( Math.random() - 0.5 ) * 1000 );
									  
					mesh.updateMatrix();
					mesh.matrixAutoUpdate = false;
					scene.addChild( mesh );
					
				}


				// create cross

				/*
				cross = new THREE.Object3D();
				cross.scale.set( 0.5, 0.5, 0.5 );
				cross.matrixAutoUpdate = false;

				var material = new THREE.MeshPhongMaterial( { color:0xff0000 } );
				var mesh = new THREE.Mesh( new THREE.Cube( 40, 5, 5 ), material );
				mesh.position.x = 20;
				cross.addChild( mesh );

				var material = new THREE.MeshPhongMaterial( { color:0x00ff00 } );
				var mesh = new THREE.Mesh( new THREE.Cube( 5, 40, 5 ), material );
				mesh.position.y = 20;
				cross.addChild( mesh );

				var material = new THREE.MeshPhongMaterial( { color:0x0000ff } );
				var mesh = new THREE.Mesh( new THREE.Cube( 5, 5, 40 ), material );
				mesh.position.z = 20;

				cross.addChild( mesh );
				camera.addChild( cross );
				*/


				// lights

				light = new THREE.DirectionalLight( 0xffffff );
				light.position.set( 1, 1, 1 );
				scene.addChild( light );

				light = new THREE.DirectionalLight( 0x002288 );
				light.position.set( -1, -1, -1 );
				scene.addChild( light );

				light = new THREE.AmbientLight( 0x222222 );
				scene.addChild( light );


				// renderer

				renderer = new THREE.WebGLRenderer( { antialias: false } );
				renderer.setClearColorHex( 0xffffff, 1 );
				renderer.setSize( window.innerWidth, window.innerHeight );

				container = document.getElementById( 'container' );
				container.appendChild( renderer.domElement );

				if ( statsEnabled ) {

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

				}

				setInterval( loop, 1000 / 60 );

			}


			function loop() {

				/*
				cross.matrix.copy( camera.matrix );
				cross.matrix.n14 = 0;
				cross.matrix.n24 = 0;
				cross.matrix.n34 = -200;
				cross.matrixWorldNeedsUpdate = true;
				*/

				renderer.render( scene, camera );

				if ( statsEnabled ) stats.update();

			}


		</script>

	</body>
</html>