code: function (node) {
          var idx;
          if (node instanceof Camera) {
              idx = this._cameraList.indexOf(node);
              if (idx >= 0) {
                  this._cameraList.splice(idx, 1);
              }
          }
          else if (node instanceof Light) {
              idx = this.lights.indexOf(node);
              if (idx >= 0) {
                  this.lights.splice(idx, 1);
              }
          }
          if (node.name) {
              delete this._nodeRepository[node.name];
          }
      }
docs: Remove node from scene