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: white;
              margin: 0px;
              overflow: hidden;
            }

JavaScript

var SEPARATION = 400,
  AMOUNTX = 80,
  AMOUNTY = 80;
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(20, window.innerWidth / window.innerHeight, 1, 10000);
  camera.position.z = 2000;
  scene = new THREE.Scene();
  particles = new Array();
  var PI2 = Math.PI * 2;
  var material = new THREE.SpriteCanvasMaterial({
    color: 0x29F0D6,
    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);
  renderer.setClearColor( 0x000000, 0 );
  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 / window.innerHeight;
  camera.updateProjectionMatrix();
  renderer.setSize(window.innerWidth, window.innerHeight);
}
//
function...