javascript
/
three.js
огледало от https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - interactive cubes</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 {
				font-family: Monospace;
				background-color: #f0f0f0;
				margin: 0px;
				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, raycaster, renderer;

			var mouse = new THREE.Vector2(), INTERSECTED;
                        var radius = 1, theta = 0;
                        var offset = new THREE.Vector3(100000, 100000, 100000);

			init();
			animate();

			function init() {

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

				var info = document.createElement( 'div' );
				info.style.position = 'absolute';
				info.style.top = '10px';
				info.style.width = '100%';
				info.style.textAlign = 'center';
				info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> webgl - interactive cubes';
				container.appendChild( info );

				camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, .1, 10000 );

				scene = new THREE.Scene();

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

				var geometry = new THREE.BoxBufferGeometry( .001, .1, .1 );

				for ( var j = 0; j < 10; j ++ ) {
					for ( var k = 0; k < 10; k ++ ) {

						var object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: Math.random() * 0xffffff } ) );

						var position = new THREE.Vector3( 0, j/10, k/10 );
						position.add( offset );

						var scale = new THREE.Vector3( 0.1, 1, 1 );

						object.matrixAutoUpdate = false;
						object.matrix.setPosition( position );
						object.matrix.scale( scale );

						scene.add( object );
					}

				}

				raycaster = new THREE.Raycaster();

				renderer = new THREE.WebGLRenderer();
				renderer.setClearColor( 0xf0f0f0 );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.sortObjects = false;
				container.appendChild(renderer.domElement);

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

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

				//

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

			}

			function onWindowResize() {

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

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

			}

			function onDocumentMouseMove( event ) {

				event.preventDefault();

				mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
				mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				theta = 20;

				camera.position.x = radius * Math.sin( THREE.Math.degToRad( theta ) );
				camera.position.y = radius * Math.sin( THREE.Math.degToRad( theta ) );
				camera.position.z = radius * Math.cos( THREE.Math.degToRad( theta ) );

				camera.position.add( offset );

				camera.lookAt( scene.position );

				camera.updateMatrixWorld();

				// find intersections

				raycaster.setFromCamera( mouse, camera );

				var intersects = raycaster.intersectObjects( scene.children );

				if ( intersects.length > 0 ) {

					if ( INTERSECTED != intersects[ 0 ].object ) {

						if ( INTERSECTED ) INTERSECTED.material.emissive.setHex( INTERSECTED.currentHex );

						INTERSECTED = intersects[ 0 ].object;
						INTERSECTED.currentHex = INTERSECTED.material.emissive.getHex();
						INTERSECTED.material.emissive.setHex( 0xff0000 );

					}

				} else {

					if ( INTERSECTED ) INTERSECTED.material.emissive.setHex( INTERSECTED.currentHex );

					INTERSECTED = null;

				}

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>