private static Spatial createSimpleSkyBox() {
AssetManager assetManager = GlobalObjectStore
.<AssetManager> getObject(AssetManager.class);
Texture west = assetManager.loadTexture("skybox/milkyway/left.png");
Texture east = assetManager.loadTexture("skybox/milkyway/right.png");
Texture north = assetManager.loadTexture("skybox/milkyway/front.png");
Texture south = assetManager.loadTexture("skybox/milkyway/back.png");
Texture up = assetManager.loadTexture("skybox/milkyway/top.png");
Texture down = assetManager.loadTexture("skybox/milkyway/bottom.png");
Spatial skySpatial = SkyFactory.createSky(assetManager, west, east,