if let nextScene = SKScene(fileNamed: "GameScene") { nextScene.scaleMode = scaleMode let transition = SKTransition.flipVertical(withDuration: 0.5) view?.presentScene(nextScene, transition: transition) }

let alertController = UIAlertController(title: "Title", message: "Some message", preferredStyle: .alert) let alertAction = UIAlertAction(title: "OK", style: .default, handler: nil) alertController.addAction(alertAction) view?.window?.rootV…