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misc_controls_trackball.html 3.6 KB
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<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - trackball controls</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: #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://threejs.org" target="_blank">three.js</a> - trackball controls example</br>
			MOVE mouse &amp; press LEFT/A: rotate, MIDDLE/S: zoom, RIGHT/D: pan
		</div>

		<script src="../build/three.min.js"></script>

		<script src="js/controls/TrackballControls.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

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

			var container, stats;

			var camera, controls, scene, renderer;

			var cross;

			init();
			animate();

			function init() {

				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.z = 500;

				controls = new THREE.TrackballControls( camera );

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

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

				controls.staticMoving = true;
				controls.dynamicDampingFactor = 0.3;

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

				controls.addEventListener( 'change', render );

				// world

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

				var geometry = new THREE.CylinderGeometry( 0, 10, 30, 4, 1 );
				var material =  new THREE.MeshLambertMaterial( { color:0xffffff, shading: THREE.FlatShading } );

				for ( var i = 0; i < 500; i ++ ) {

					var mesh = new THREE.Mesh( geometry, material );
					mesh.position.x = ( Math.random() - 0.5 ) * 1000;
					mesh.position.y = ( Math.random() - 0.5 ) * 1000;
					mesh.position.z = ( Math.random() - 0.5 ) * 1000;
					mesh.updateMatrix();
					mesh.matrixAutoUpdate = false;
					scene.add( mesh );

				}


				// lights

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

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

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


				// renderer

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

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

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

				//

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

				render();
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			}

			function onWindowResize() {

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

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

				controls.handleResize();

				render();

			}

			function animate() {

				requestAnimationFrame( animate );
				controls.update();

			}

			function render() {

				renderer.render( scene, camera );
				stats.update();

			}


		</script>

	</body>
</html>