游戏中的多个 UIViewController 如何从场景跳转到 viewController
故事板 :
初始 viewController :一个空的 viewController,带有一个显示 GameViewController 的按钮
GameViewController : Hello World
Sprite-kit 模板的典型 GameViewController。
目标 :我想从我的 SKScene
游戏中展示第一个 viewController 并正确释放我的场景。
描述 :为了获得结果,我扩展了 SKSceneDelegate
类以构建一个自定义 protocol/delegate
,它从 GameViewController
转换到第一个初始控制器(主菜单)。此方法可以扩展到游戏的其他 viewControllers。
GameViewController :
import UIKit
import SpriteKit
class GameViewController: UIViewController,TransitionDelegate {
override func viewDidLoad() {
super.viewDidLoad()
if let view = self.view as! SKView? {
if let scene = SKScene(fileNamed: "GameScene") {
scene.scaleMode = .aspectFill
scene.delegate = self as TransitionDelegate
view.presentScene(scene)
}
view.ignoresSiblingOrder = true
view.showsFPS = true
view.showsNodeCount = true
}
}
func returnToMainMenu(){
let appDelegate = UIApplication.shared.delegate as! AppDelegate
guard let storyboard = appDelegate.window?.rootViewController?.storyboard else { return }
if let vc = storyboard.instantiateInitialViewController() {
print("go to main menu")
self.present(vc, animated: true, completion: nil)
}
}
}
GameScene :
import SpriteKit
protocol TransitionDelegate: SKSceneDelegate {
func returnToMainMenu()
}
class GameScene: SKScene {
override func didMove(to view: SKView) {
self.run(SKAction.wait(forDuration: 2),completion:{[unowned self] in
guard let delegate = self.delegate else { return }
self.view?.presentScene(nil)
(delegate as! TransitionDelegate).returnToMainMenu()
})
}
deinit {
print("\n THE SCENE \((type(of: self))) WAS REMOVED FROM MEMORY (DEINIT) \n")
}
}