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 - roll camera example</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> - roll camera example -</br>W/S forward/backward</br>A/D to roll</br>Mouse to look around 
		</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;

			var mouseX = 0, mouseY = 0;

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

			var doRoll = false, rollDirection = 1, forwardSpeed = 0;

			document.addEventListener( 'mousemove', onDocumentMouseMove, false );
			document.addEventListener( 'keydown', onKeyDown, false );
			document.addEventListener( 'keyup', onKeyUp, false );

			init();

			function init() {

				// scene and camera

				scene = new THREE.Scene();
				camera = new THREE.RollCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );


				// world

				var cube = new THREE.Cube( 20, 60, 20 );
				
				cube.vertices[ 0 ].position.multiplyScalar( 0.1 );
				cube.vertices[ 1 ].position.multiplyScalar( 0.1 );
				cube.vertices[ 4 ].position.multiplyScalar( 0.1 );
				cube.vertices[ 5 ].position.multiplyScalar( 0.1 );
				
				var material = new THREE.MeshPhongMaterial( { color:0xffffff } );

				for( var i = 0; i < 200; 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 );
									  
					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 );
				scene.addChild( camera );


				// lights				

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

				light = new THREE.DirectionalLight( 0xff0000 );
				light.position.set( -1, -1, -1 );
				scene.addChild( light );

				light = new THREE.AmbientLight( 0x666666 );
				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() {

				camera.rotateHorizontally( mouseX * 0.05 );
				camera.rotateVertically( mouseY * 0.05 );
				camera.translateZ( forwardSpeed )

				if( doRoll ) {
					
					camera.roll += 0.01 * rollDirection;
				}

				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();

			}


			function onKeyDown( event ) {
		
				switch( event.keyCode ) {
		
					case 38: /*up*/
					case 87: /*W*/ forwardSpeed = 1; break;
		
					case 37: /*left*/
					case 65: /*A*/ doRoll = true; rollDirection = 1; break;
		
					case 40: /*down*/
					case 83: /*S*/ forwardSpeed = -1; break;
		
					case 39: /*right*/
					case 68: /*D*/ doRoll = true; rollDirection = -1; break;
		
				}
		
			}
		
			function onKeyUp( event ) {
		
				switch( event.keyCode ) {
		
					case 38: /*up*/
					case 87: /*W*/ forwardSpeed = 0; break;
		
					case 37: /*left*/
					case 65: /*A*/ doRoll = false; break;
		
					case 40: /*down*/
					case 83: /*S*/ forwardSpeed = 0; break;
		
					case 39: /*right*/
					case 68: /*D*/ doRoll = false; break;
		
				}
		
			}

			function onDocumentMouseMove(event) {

				mouseX = ( event.clientX - windowHalfX ) / window.innerWidth;
				mouseY = ( event.clientY - windowHalfY ) / window.innerHeight;

			}


			function log( text ) {

				var e = document.getElementById("log");
				e.innerHTML = text + "<br/>" + e.innerHTML;

			}
		</script>

	</body>
</html>