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


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - performance [static]</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:#fff;
				padding:0;
				margin:0;
				font-weight: bold;
				overflow:hidden;
			}
		</style>
	</head>
	<body>

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

		<script>

			var container, stats;

			var camera, scene, renderer;

			var mesh, zmesh, lightMesh, geometry;

			var mouseX = 0, mouseY = 0;

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

			document.addEventListener( 'mousemove', onDocumentMouseMove, false );

			init();
			animate();


			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 3200;

				scene = new THREE.Scene();

				var material = new THREE.MeshNormalMaterial();

				var loader = new THREE.JSONLoader();
				loader.load( 'obj/Suzanne.js', function ( geometry ) {

					geometry.computeVertexNormals();

					for ( var i = 0; i < 7700; i ++ ) {

						var mesh = new THREE.Mesh( geometry, material );

						mesh.position.x = Math.random() * 10000 - 5000;
						mesh.position.y = Math.random() * 10000 - 5000;
						mesh.position.z = Math.random() * 10000 - 5000;
						mesh.rotation.x = Math.random() * 2 * Math.PI;
						mesh.rotation.y = Math.random() * 2 * Math.PI;
						mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 50 + 100;
						mesh.matrixAutoUpdate = false;
						mesh.updateMatrix();

						scene.add( mesh );

					}

				} );

				renderer = new THREE.WebGLRenderer( { antialias: false } );
				renderer.setClearColor( 0xffffff );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.sortObjects = false;

				container.appendChild( renderer.domElement );

				stats = new Stats();
				container.appendChild( stats.dom );

				//

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

			}

			function onWindowResize() {

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

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

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

			}

			function onDocumentMouseMove(event) {

				mouseX = ( event.clientX - windowHalfX ) * 10;
				mouseY = ( event.clientY - windowHalfY ) * 10;

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y += ( - mouseY - camera.position.y ) * .05;

				camera.lookAt( scene.position );

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>