javascript
/
three.js
-ын хуулбар https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js misc - lights - point + directional</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;
				overflow:hidden;
				font-family:georgia;
				text-align:center;
			}
			h1 { }
			a { color:skyblue }
			canvas { pointer-events:none; z-index:10; }

			#d { text-align:center; margin:1em 0 -11.4em 0; z-index:0; position:relative; display:block }
			.button { background:#000; color:#fff; padding:0.2em 0.5em; cursor:pointer }
			.inactive { background:#999; color:#eee }
		</style>
	</head>

	<body>

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

		<script src="js/renderers/Projector.js"></script>
		<script src="js/renderers/CanvasRenderer.js"></script>

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

		<script>

			var SCREEN_WIDTH = window.innerWidth / 2;
			var SCREEN_HEIGHT = window.innerHeight;
			var FLOOR = -250;

			var container, stats;

			var camera, scene, canvasRenderer, webglRenderer;

			var mesh, zmesh, geometry, material;

			var directionalLight, pointLight;

			var mouseX = 0, mouseY = 0;

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

			var clock = new THREE.Clock();

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

			init();
			animate();

			function init() {

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

				camera = new THREE.PerspectiveCamera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
				camera.position.z = 500;

				scene = new THREE.Scene();

				// Spheres

				geometry = new THREE.SphereGeometry( 100, 16, 8 );
				material = new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading, overdraw: 0.5, shininess: 0 } );

				for ( var i = 0; i < 30; i ++ ) {

					mesh = new THREE.Mesh( geometry, material );
					mesh.position.x = 500 * ( Math.random() - 0.5 );
					mesh.position.y = 500 * ( Math.random() - 0.5 );
					mesh.position.z = 500 * ( Math.random() - 0.5 );
					mesh.scale.x = mesh.scale.y = mesh.scale.z = 0.25 * ( Math.random() + 0.5 );
					scene.add( mesh );

				}

				// Torus

				geometry = new THREE.TorusGeometry( 100, 25, 15, 30 );
				mesh = new THREE.Mesh( geometry, material );
				scene.add( mesh );

				// Lights

				var ambient = new THREE.AmbientLight( 0x101010 );
				scene.add( ambient );

				directionalLight = new THREE.DirectionalLight( 0xffffff );
				directionalLight.position.set( 0, -70, 100 ).normalize();

				setTimeout( function () {

					scene.add( directionalLight );

				}, 3000 );

				pointLight = new THREE.PointLight( 0xffaa00 );
				scene.add( pointLight );

				geometry = new THREE.SphereGeometry( 100, 8, 4 );
				material = new THREE.MeshBasicMaterial( { color: 0xffaa00 } );
				mesh = new THREE.Mesh( geometry, material );
				mesh.scale.set( 0.05, 0.05, 0.05 );
				pointLight.add( mesh );

				canvasRenderer = new THREE.CanvasRenderer();
				canvasRenderer.setClearColor( 0xffffff );
				canvasRenderer.setPixelRatio( window.devicePixelRatio );
				canvasRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				container.appendChild( canvasRenderer.domElement );

				webglRenderer = new THREE.WebGLRenderer();
				webglRenderer.setClearColor( 0xffffff );
				webglRenderer.setPixelRatio( window.devicePixelRatio );
				webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				webglRenderer.domElement.style.position = "relative";
				container.appendChild( webglRenderer.domElement );


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

				//

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

			}

			function onWindowResize() {

				SCREEN_WIDTH = window.innerWidth / 2;
				SCREEN_HEIGHT = window.innerHeight;

				camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
				camera.updateProjectionMatrix();

				canvasRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );

			}

			function onDocumentMouseMove( event ) {

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

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var delta = clock.getDelta();

				camera.position.x += ( mouseX - camera.position.x ) * 0.05;
				camera.position.y += ( - mouseY - camera.position.y ) * 0.05;

				camera.lookAt( scene.position );

				for ( var i = 0, l = scene.children.length; i < l; i ++ ) {

					var object = scene.children[ i ];

					if ( object instanceof THREE.Mesh ) {

						if ( i % 3 == 1 )

							object.rotation.z += 1.5 * delta;

						else if ( i % 3 == 2 )

							object.rotation.y += 1.5 * delta;

						else if ( i % 3 == 0 )

							object.rotation.x += 1.5 * delta;

					}

				}

				var r = clock.getElapsedTime();

				pointLight.position.x = 200 * Math.cos( r );
				pointLight.position.z = 200 * Math.sin( r );

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

			}

		</script>

	</body>
</html>