我想要“重置”和“重新开始”GameScene,使其像第一次调用GameScene一样。我已经尝试了不同的方法来实现这个目标,但每次都会收到警告说我正在尝试向已经有父级的节点添加一个节点。然而,在我的代码中,我删除了所有现有的节点,所以我真的很困惑如何重置GameScene。下面是我现在的做法(当我想要从头开始重启GameScene并且它在GameScene类内部被调用时):
let scene = GameScene(size: self.size)
scene.scaleMode = .aspectFill
let animation = SKTransition.fade(withDuration: 1.0)
self.view?.presentScene(scene, transition: animation)
self.removeAllChildren()
self.removeAllActions()
self.scene?.removeFromParent()
1.编辑:我意识到为什么会出现警告:“我正在尝试将节点添加到已经有父节点的父节点”,原因是我把场景的所有变量都放在类外面作为全局变量。然而,现在当游戏重新开始时,游戏在左下角。为什么会这样,我该如何修复? - 已修复
2.编辑:现在一切都正常了,但我的担心是即使每个节点都被删除且fps不会随时间降低,deinit{}
也没有被调用。以下是我在GameViewController中设置场景和在GameScene中的内容(与场景相关的每个实例,基本上都是相关的):
import UIKit
import SpriteKit
import GameplayKit
var screenSize = CGSize()
class GameViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
if let view = self.view as! SKView? {
// Load the SKScene from 'GameScene.sks'
if let scene = SKScene(fileNamed: "GameScene") {
// Set the scale mode to scale to fit the window
scene.scaleMode = .aspectFill
screenSize = scene.size
// Present the scene
view.presentScene(scene)
}
view.ignoresSiblingOrder = true
view.showsFPS = true
view.showsNodeCount = true
}
}
我的GameScene基本上是这样的:
import SpriteKit
import GameplayKit
class GameScene: SKScene, SKPhysicsContactDelegate {
//Declare and initialise variables and enumerations here
deinit{print("GameScene deinited")}
override func didMove(to view: SKView) {
//Setup scene and nodes
}
override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
//Do other things depending on when and where you touch
//When I want to reset the GameScene
let newScene = GameScene(size: self.size)
newScene.anchorPoint = CGPoint(x: 0.5, y: 0.5)
newScene.scaleMode = self.scaleMode
let animation = SKTransition.fade(withDuration: 1.0)
self.view?.presentScene(newScene, transition: animation)
}
任何答案都将不胜感激 :)