public static bool IsLandscape(this ParallaxOrientation orientation)
 {
     return(orientation == ParallaxOrientation.Landscape || orientation == ParallaxOrientation.InvLandscape);
 }
 public static bool IsInv(this ParallaxOrientation orientation)
 {
     return(orientation == ParallaxOrientation.InvPortrait || orientation == ParallaxOrientation.InvLandscape);
 }