javascript
/
three.js
oglindă de https://github.com/tazdij/three.js.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161
							<!DOCTYPE html>
<html lang="en">
<head>
		<title>three.js webgl - effects - peppers ghost</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: #777;
						padding: 0;
						margin: 0;
						font-weight: bold;
						overflow: hidden;
				}

				#info {
						position: absolute;
						top: 0px;
						width: 100%;
						color: #ffffff;
						padding: 5px;
						font-family: Monospace;
						font-size: 13px;
						text-align: center;
						z-index: 1000;
				}

				a {
						color: #ffffff;
				}

				#webglmessage a {
						color: #da0
				}
		</style>
</head>

<body>
<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - <a href="https://en.wikipedia.org/wiki/Pepper%27s_ghost">peppers ghost effect</a> demo <br />
		<a href="http://www.instructables.com/id/Reflective-Prism/?ALLSTEPS" target="_blank" rel="noopener">basic instructions for building the reflective prism</a></div>

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

<script src="js/effects/PeppersGhostEffect.js"></script>

<script src="js/WebGL.js"></script>

<script>

		if ( WEBGL.isWebGLAvailable() === false ) {

			document.body.appendChild( WEBGL.getWebGLErrorMessage() );

		}

		var container;

		var camera, scene, renderer, effect;
		var group;

		init();
		animate();

		function init() {

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

			camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 100000 );

			scene = new THREE.Scene();

			group = new THREE.Group();
			scene.add( group );

			// Cube

			var geometry = new THREE.BoxBufferGeometry( 1, 1, 1 );
			geometry = geometry.toNonIndexed(); // ensure unique vertices for each triangle

			var position = geometry.attributes.position;
			var colors = [];
			var color = new THREE.Color();

			// generate for each side of the cube a different color

			for ( var i = 0; i < position.count; i += 6 ) {

				color.setHex( Math.random() * 0xffffff );

				// first face

				colors.push( color.r, color.g, color.b );
				colors.push( color.r, color.g, color.b );
				colors.push( color.r, color.g, color.b );

				// second face

				colors.push( color.r, color.g, color.b );
				colors.push( color.r, color.g, color.b );
				colors.push( color.r, color.g, color.b );

			}

			geometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );

			var material = new THREE.MeshBasicMaterial( { vertexColors: THREE.VertexColors } );

			for ( var i = 0; i < 10; i ++ ) {

				var cube = new THREE.Mesh( geometry, material );
				cube.position.x = Math.random() * 2 - 1;
				cube.position.y = Math.random() * 2 - 1;
				cube.position.z = Math.random() * 2 - 1;
				cube.scale.multiplyScalar( Math.random() + 0.5 );
				group.add( cube );

			}

			renderer = new THREE.WebGLRenderer();
			renderer.setPixelRatio( window.devicePixelRatio );
			container.appendChild( renderer.domElement );

			effect = new THREE.PeppersGhostEffect( renderer );
			effect.setSize( window.innerWidth, window.innerHeight );
			effect.cameraDistance = 5;

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

		}

		function onWindowResize() {

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

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

		}

		function animate() {

			requestAnimationFrame( animate );

			render();

		}

		function render() {

			group.rotation.y += 0.01;

			effect.render( scene, camera );

		}


</script>

</body>
</html>