     }
 }
 
+
+

    @IBOutlet weak var shutterButton: UIButton!
    
    var cameraController : CameraController!
    
    override func viewDidLoad() {
        super.viewDidLoad()

    }
    
    func cameraController(cameraController: CameraController, didDetectFaces faces: Array<(id: Int, frame: CGRect)>) {
        prepareFaceView(faces.count - faceViews.count)
        for (idx, face) in faces.enumerate() {
            faceViews[idx].frame = face.frame
        }
    }
}

private extension CameraViewController {
    func prepareFaceView(diff : Int) {
        //TODO:
    }
}

