         scene.lightingEnvironment.contents = env
         scene.lightingEnvironment.intensity = 2.0
         
-
+        
         // retrieve the SCNView
         let scnView = self.view as! SCNView
         

import SceneKit

class GameViewController: UIViewController {

    let materialPrefixes : [String] = ["bamboo-wood-semigloss",
                                       "oakfloor2",
                                       "scuffed-plastic",

        super.didReceiveMemoryWarning()
        // Release any cached data, images, etc that aren't in use.
    }
    
}
