javascript
/
three.js
zrcadlo https://github.com/tazdij/three.js.git


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121
							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js - particles - floor</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
		<style type="text/css">
			body {
				background-color: #000000;
				margin: 0px;
				overflow: hidden;
			}

			a {
				color:#0078ff;
			}
		</style>
	</head>
	<body>

		<script type="text/javascript" src="../build/Three.js"></script>
		<script type="text/javascript" src="js/Stats.js"></script>

		<script type="text/javascript">

			var SEPARATION = 100;
			var AMOUNTX = 50;
			var AMOUNTY = 50;

			var container, stats;
			var camera, scene, renderer, particle;
			var mouseX = 0, mouseY = 0;

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

			init();
			setInterval( loop, 1000 / 60 );

			function init() {

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

				camera = new THREE.Camera( 75, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 1000;

				scene = new THREE.Scene();

				var material = new THREE.ParticleCircleMaterial( { color: 0xffffff, opacity: 1 } );

				for ( var ix = 0; ix < AMOUNTX; ix++ ) {

					for ( var iy = 0; iy < AMOUNTY; iy++ ) {

						particle = new THREE.Particle( material );
						particle.position.x = ix * SEPARATION - ( ( AMOUNTX * SEPARATION ) / 2 );
						particle.position.z = iy * SEPARATION - ( ( AMOUNTY * SEPARATION ) / 2 );
						scene.addObject( particle );
					}
				}

				renderer = new THREE.CanvasRenderer();
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

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

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
				document.addEventListener( 'touchstart', onDocumentTouchStart, false );
				document.addEventListener( 'touchmove', onDocumentTouchMove, false );
			}

			//

			function onDocumentMouseMove(event) {

				mouseX = event.clientX - windowHalfX;
				mouseY = event.clientY - windowHalfY;
			}

			function onDocumentTouchStart( event ) {

				if ( event.touches.length > 1 ) {

					event.preventDefault();

					mouseX = event.touches[ 0 ].pageX - windowHalfX;
					mouseY = event.touches[ 0 ].pageY - windowHalfY;
				}
			}

			function onDocumentTouchMove( event ) {

				if ( event.touches.length == 1 ) {

					event.preventDefault();

					mouseX = event.touches[ 0 ].pageX - windowHalfX;
					mouseY = event.touches[ 0 ].pageY - windowHalfY;
				}
			}

			//

			function loop() {

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

				renderer.render( scene, camera );

				stats.update();
			}

		</script>
	</body>
</html>