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+<!DOCTYPE HTML>
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+<html lang="en">
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+ <head>
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+ <title>three.js - particles - random</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
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+ <style type="text/css">
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+ body
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+ {
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+ background-color: #000000;
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+ margin: 0px;
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+ overflow: hidden;
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+ }
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+ a
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+ {
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+ color:#0078ff;
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+ }
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+ </style>
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+ </head>
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+ <body>
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+ <script type="text/javascript" src="http://github.com/mrdoob/three.js/raw/master/build/three.js"></script>
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+ <script type="text/javascript" src="http://github.com/mrdoob/stats.js/raw/master/build/stats.js"></script>
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+
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+ <script type="text/javascript">
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+
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+ var SCREEN_WIDTH = window.innerWidth;
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+ var SCREEN_HEIGHT = window.innerHeight;
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+
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+ var stats;
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+ var container;
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+
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+ var particle;
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+
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+ var camera;
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+ var scene;
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+ var renderer;
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+
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+ var mouseX = 0;
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+ var mouseY = 0;
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+
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+ var windowHalfX = window.innerWidth >> 1;
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+ var windowHalfY = window.innerHeight >> 1;
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+
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+ document.addEventListener('mousemove', onDocumentMouseMove, false);
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+ document.addEventListener('touchstart', onDocumentTouchStart, false);
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+
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+ init();
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+ setInterval(loop, 1000 / 60);
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+
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+
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+ function init()
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+ {
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+ container = document.createElement('div');
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+ document.body.appendChild(container);
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+
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+ camera = new Camera(0, 0, 1000);
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+ camera.focus = 200;
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+
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+ scene = new Scene();
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+
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+ renderer = new CanvasRenderer();
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+ renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
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+
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+ for (var i = 0; i < 1000; i++)
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+ {
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+ particle = new Particle( new ColorMaterial(Math.random() * 0x808008 + 0x808080, 1) );
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+ particle.size = Math.random() * 10 + 5;
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+ particle.position.x = Math.random() * 2000 - 1000;
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+ particle.position.y = Math.random() * 2000 - 1000;
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+ particle.position.z = Math.random() * 2000 - 1000;
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+ particle.updateMatrix();
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+ scene.add( particle );
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+ }
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+
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+ container.appendChild(renderer.viewport);
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+
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+ stats = new Stats();
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+ container.appendChild( stats.getDisplayElement() );
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+ }
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+
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+ //
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+
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+ function onDocumentMouseMove(event)
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+ {
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+ mouseX = event.clientX - windowHalfX;
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+ mouseY = event.clientY - windowHalfY;
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+ }
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+
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+ function onDocumentTouchStart( event )
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+ {
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+ if(event.touches.length == 1)
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+ {
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+ event.preventDefault();
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+
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+ mouseX = event.touches[0].pageX - windowHalfX;
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+ mouseY = event.touches[0].pageY - windowHalfY;
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+
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+ document.addEventListener('touchmove', onDocumentTouchMove, false);
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+ document.addEventListener('touchend', onDocumentTouchEnd, false);
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+ }
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+ }
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+
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+ function onDocumentTouchMove( event )
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+ {
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+ if(event.touches.length == 1)
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+ {
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+ event.preventDefault();
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+
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+ mouseX = event.touches[0].pageX - windowHalfX;
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+ mouseY = event.touches[0].pageY - windowHalfY;
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+ }
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+ }
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+
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+ function onDocumentTouchEnd( event )
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+ {
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+ if(event.touches.length == 0)
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+ {
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+ event.preventDefault();
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+
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+ mouseX = event.touches[0].pageX - windowHalfX;
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+ mouseY = event.touches[0].pageY - windowHalfY;
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+
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+ document.removeEventListener('touchmove', onDocumentTouchMove, false);
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+ document.removeEventListener('touchend', onDocumentTouchEnd, false);
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+ }
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+ }
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+
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+ //
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+
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+ function loop()
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+ {
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+ camera.x += (mouseX - camera.x) * .05;
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+ camera.y += (-mouseY - camera.y) * .05;
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+ camera.updateMatrix();
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+
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+ renderer.render(scene, camera);
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+
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+ stats.update();
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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Mr.doob
