amera(75, width / height, 1, 3000);
          camera.position.y = 100;
          camera.position.z = 400;
          scene = new THREE.Scene();
          renderer = new THREE.WebGLRenderer();
          renderer.setSize(width, height);
          document.body.appendChild(renderer.domElement);
          canvas = renderer.domElement;
          controls = new OrbitControls(camera, renderer.domElement);

          // load the assets required to display the Raptor model
          assetManager = new spine.AssetMana