// Generated by CoffeeScript 1.4.0
(function() {
  var DZOOM, OX, OY, aspect, camera, height, light, loader, render, renderer, scene, view, width, zoom;

  width = 960;

  height = 500;

  aspect = width / height;

  DZOOM = 10;

  scene = new THREE.Scene();

  camera = new THREE.OrthographicCamera(0, 2 * DZOOM * aspect, 0, -2 * DZOOM, -1000, 1000);

  renderer = new THREE.WebGLRenderer({
    alpha: true,
    antialias: true
  });

  renderer.setSize(width, height);

  document.body.appendChild(renderer.domElement);

  light = new THREE.DirectionalLight(0xffffff, 1);

  light.position.set(10, -20, 15);

  scene.add(light);

  OX = -35;

  OY = -5;

  camera.position.set(OX + 20, OY - 20, 20);

  camera.up = new THREE.Vector3(0, 0, 1);

  camera.lookAt(new THREE.Vector3(OX, OY, 0));

  render = function() {
    return renderer.render(scene, camera);
  };

  loader = new THREE.ColladaLoader();

  loader.load('CNR_master.dae', function(collada) {
    collada.scene.scale.set(0.005, 0.005, 0.005);
    scene.add(collada.scene);
    return render();
  });

  view = d3.select(renderer.domElement);

  zoom = d3.behavior.zoom().scaleExtent([0.2, 4]).on('zoom', function() {
    var x, y, z, _ref;
    z = zoom.scale();
    _ref = zoom.translate(), x = _ref[0], y = _ref[1];
    return window.requestAnimationFrame(function() {
      x = x - width / 2;
      y = y - height / 2;
      camera.left = -DZOOM / z * aspect - x / width * DZOOM / z * 2 * aspect;
      camera.right = DZOOM / z * aspect - x / width * DZOOM / z * 2 * aspect;
      camera.top = DZOOM / z + y / height * DZOOM / z * 2;
      camera.bottom = -DZOOM / z + y / height * DZOOM / z * 2;
      camera.updateProjectionMatrix();
      return render();
    });
  });

  view.call(zoom);

}).call(this);