public override void ViewDidLoad ()
{
UIApplication.SharedApplication.SetStatusBarHidden (true, true);
var scnView = (SCNView)View;
scnView.BackgroundColor = UIColor.Black;
scnView.Scene = SetupScene ();
scnView.Scene.PhysicsWorld.Speed = 4f;
scnView.OverlayScene = new OverlayScene (scnView.Bounds.Size);
SetupAccelerometer ();
scnView.PointOfView = cameraNode;
scnView.WeakSceneRendererDelegate = this;
var doubleTap = new UITapGestureRecognizer (HandleDoubleTap);
doubleTap.NumberOfTapsRequired = 2;
doubleTap.NumberOfTouchesRequired = 2;
scnView.GestureRecognizers = new UIGestureRecognizer [] { doubleTap };
base.ViewDidLoad ();
GameView = (GameView) View;
}