THREEjs Particles Wave

Awesome particle wave

by hzhang307

HTML

<script src="http://mrdoob.github.com/three.js/build/three.min.js"></script>
<script src="http://mrdoob.github.com/three.js/examples/js/libs/stats.min.js"></script>
<script src="https://threejs.org/examples/js/renderers/Projector.js"></script>
<script src="https://threejs.org/examples/js/renderers/CanvasRenderer.js"></script>
<div id="container"></div>

CSS

body {
                background-color: transparent;
                margin: 0px;
                overflow: hidden;
            }

JavaScript

var SEPARATION = 300, AMOUNTX = 80, AMOUNTY = 50;
			var container, stats;
			var camera, scene, renderer;
			var particles, particle, count = 0;
			var mouseX = 0, mouseY = 0;
			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;
			init();
			animate();
			function init() {
				container = document.createElement( 'div' );
				document.body.appendChild( container );
				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 1500;
				scene = new THREE.Scene();
				particles = new Array();
				var PI2 = Math.PI * 2;
				var material = new THREE.SpriteCanvasMaterial( {
					color: 0xffffff,
					program: function ( context ) {
						context.beginPath();
						context.arc( 0, 0, 0.5, 0, PI2, true );
						context.fill();
					}
				} );
				var i = 0;
				for ( var ix = 0; ix < AMOUNTX; ix ++ ) {
					for ( var iy = 0; iy < AMOUNTY; iy ++ ) {
						particle = particles[ i ++ ] = new THREE.Sprite( material );
						particle.position.x = ix * SEPARATION - ( ( AMOUNTX * SEPARATION ) / 2 );
						particle.position.z = iy * SEPARATION - ( ( AMOUNTY * SEPARATION ) / 2 );
						scene.add( particle );
					}
				}
				renderer = new THREE.CanvasRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );
				stats = new Stats();
				container.appendChild( stats.dom );
				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
				document.addEventListener( 'touchstart', onDocumentTouchStart, false );
				document.addEventListener( 'touchmove', onDocumentTouchMove, false );
				//
				window.addEventListener( 'resize', onWindowResize, false );
			}
			function onWindowResize() {
				windowHalfX = window.innerWidth / 2;
				windowHalfY = window.innerHeight / 2;
				camera.aspect = window.innerWidth /...