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


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js misc - geometry - polyfield</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: #ffffff;
				margin: 0px;
				overflow: hidden;
			}
		</style>
	</head>
	<body>

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

		<script>

			var stats;

			var camera, scene;
			var canvasRenderer, webglRenderer;

			var texture, mesh;
			var texture2;

			init();
			animate();

			function init() {

				var width = window.innerWidth / 2;
				var height = window.innerHeight;

				camera = new THREE.PerspectiveCamera( 70, width / height, 1, 2000 );
				camera.position.z = 400;

				scene = new THREE.Scene();

				var geometry = new THREE.CubeGeometry( 200, 200, 200, 4, 4, 4 );

				texture = THREE.ImageUtils.loadTexture( 'textures/UV_Grid_Sm.jpg' );
				texture.wrapS = THREE.RepeatWrapping;
				texture.wrapT = THREE.RepeatWrapping;

				var material = new THREE.MeshBasicMaterial( { map: texture } );

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

				// SPRITES

				texture2 = THREE.ImageUtils.loadTexture( 'textures/sprite.png' );
				texture2.wrapS = THREE.RepeatWrapping;
				texture2.wrapT = THREE.RepeatWrapping;
				var material = new THREE.SpriteMaterial( { map: texture2 } );

				for ( var i = 0; i < 50; i ++ ) {

					var sprite = new THREE.Sprite( material );
					sprite.position.x = Math.random() * 1000 - 500;
					sprite.position.y = Math.random() * 1000 - 500;
					sprite.position.z = Math.random() * 1000 - 500;
					sprite.scale.set( 64, 64, 1 );
					scene.add( sprite );

				}

				for ( var i = 0; i < 50; i ++ ) {

					var material = new THREE.SpriteMaterial( { color: Math.random() * 0xffffff } );
					var sprite = new THREE.Sprite( material );
					sprite.position.x = Math.random() * 1000 - 500;
					sprite.position.y = Math.random() * 1000 - 500;
					sprite.position.z = Math.random() * 1000 - 500;
					sprite.scale.set( 64, 64, 1 );
					scene.add( sprite );

				}


				canvasRenderer = new THREE.CanvasRenderer();
				canvasRenderer.setClearColor( 0xf0f0f0 );
				canvasRenderer.setSize( width, height );
				document.body.appendChild( canvasRenderer.domElement );

				webglRenderer = new THREE.WebGLRenderer( { antialias: true } );
				webglRenderer.setClearColor( 0xf0f0f0 );
				webglRenderer.setSize( width, height );
				document.body.appendChild( webglRenderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				document.body.appendChild( stats.domElement );

				//

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

			}

			function onWindowResize() {

				var width = window.innerWidth / 2;
				var height = window.innerHeight;

				camera.aspect = width / height;
				camera.updateProjectionMatrix();

				canvasRenderer.setSize( width, height );
				webglRenderer.setSize( width, height );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var time = performance.now() * 0.0001;

				camera.position.x = Math.sin( time ) * 500;
				camera.position.z = Math.cos( time ) * 500;
				camera.lookAt( scene.position );

				texture.repeat.x = Math.sin( time ) * 0.5 + 0.5;
				texture.repeat.y = Math.cos( time ) * 0.5 + 0.5;

				texture.offset.x = Math.sin( time );
				texture.offset.y = Math.cos( time );

				mesh.rotation.x = time * 2;
				mesh.rotation.y = time * 4;

				//

				texture2.repeat.x = Math.sin( time ) * 0.5 + 0.5;
				texture2.repeat.y = Math.cos( time ) * 0.5 + 0.5;

				texture2.offset.x = Math.sin( time );
				texture2.offset.y = Math.cos( time );

				//

				scene.updateMatrixWorld();

				canvasRenderer.render( scene, camera );
				webglRenderer.render( scene, camera );

			}

		</script>

	</body>
</html>