text: define(["loaders/MTLLoader",
          "loaders/OBJLoader",
          "loaders/OBJMTLLoader",
          "vendor/three/loaders/deprecated/LegacyJSONLoader",
          "loaders/ColladaLoader",
          "loaders/PLYLoader",
          "loaders/UTF8Loader",
          "loaders/GLTFLoader",
          "vendor/three/loaders/RGBELoader",
          "loaders/ZippedLoaders"], function () {
  });
  