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 * @file
 * The main scene.

 * Set our global variables.
var camera, // We need a camera.
    scene, // The camera has to see something.
    renderer, // Render our graphics.
    controls, // Our Orbit Controller for camera magic.
    container, // Our HTML container for the program.
    rotationPoint;  // The point in which our camera will rotate around.

var characterSize = 50;
var outlineSize = characterSize * 0.05;

 * Run initial setup function and loop through rendering.

 * Initializer function.
function init() {
  // Build the container
  container = document.createElement( 'div' );
  document.body.appendChild( container );
  // Create the scene.
  scene = new THREE.Scene();
  scene.background = new THREE.Color( 0xccddff );
  // Ambient lights.
  var ambient = new THREE.AmbientLight( 0xffffff );
  scene.add( ambient );
  // Create a rotation point.
  rotationPoint = new THREE.Object3D();
  rotationPoint.position.set( 0, 0, 0 );
  scene.add( rotationPoint );
  // Create the camera.
  camera = new THREE.PerspectiveCamera(
    50, // Angle
    window.innerWidth / window.innerHeight, // Aspect Ratio.
    1, // Near view.
    20000 // Far view.
  camera.position.z = -300;
  camera.position.y = 100;
  box.add( camera );
  // Build the renderer
  renderer = new THREE.WebGLRenderer( { antialias: true } );
  var element = renderer.domElement;
  renderer.setSize( window.innerWidth, window.innerHeight );
  container.appendChild( element );
  // Build the controls.
  controls = new THREE.OrbitControls( camera, element );
  controls.enablePan = true;
  controls.enableZoom = true; 
  controls.maxDistance = 1000; // Set our max zoom out distance (mouse scroll)
  controls.minDistance = 60; // Set our min zoom in distance (mouse scroll)
  controls.target.copy( new THREE.Vector3( 0, 0, 0 ) );

 * Updates to apply to the scene while running.
function update() {

 * Render the scene.
function render() {
  renderer.render( scene, camera );

 * Animate the scene.
function animate() {

 * Create the main character.
function createCharacter() {
  var geometry = new THREE.BoxBufferGeometry( characterSize, characterSize, characterSize );
  var material = new THREE.MeshPhongMaterial({ color: 0x22dd88 });
  box = new THREE.Mesh( geometry, material );
  box.position.y = characterSize/2;
  rotationPoint.add( box );
  // Create outline object
  var outline_geo = new THREE.BoxGeometry( characterSize + outlineSize, characterSize + outlineSize, characterSize + outlineSize );
  var outline_mat = new THREE.MeshBasicMaterial({ color : 0x0000000, side: THREE.BackSide });
  outline = new THREE.Mesh( outline_geo, outline_mat );
  box.add( outline );
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