相关疑难解决方法(0)

一旦我的SpriteKit游戏结束,我想回到我的UIKit MenuViewController.从我到目前为止所学到的,使用protocol/delegate是最好的(？)选项,但我无法让它工作.我知道协议可能会超出类声明GameViewController,看起来像:

protocol GameViewControllerDelegate {
    var gameOver: Bool?
}

但我需要帮助从GameSceneAND获取它解雇GameViewController.以下是应用程序的骨骼,如果有帮助的话.

MenuViewController

class MenuViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
    }

    @IBAction func goToGame(_ sender: UIButton) {
        performSegue(withIdentifier: "toGameSegue", sender: sender.currentTitle)
    }

    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if let destinationVC = segue.destination as? GameViewController {
            if let item = sender as? String {
                destinationVC.numberOfPlayers = item
            }
        }
    }
}

GameViewController

class GameViewController: UIViewController {

    var numberOfPlayers: …