GameViewController
中的viewDidLoad
函数有一个部分,它会复制场景编辑器中的实体和图形。class GameViewController: UIViewController {
private var sceneNode: GameScene!
override func viewDidLoad() {
super.viewDidLoad()
// Load 'GameScene.sks' as a GKScene.
if let scene = GKScene(fileNamed: "GameScene") {
// Get the SKScene from the loaded GKScene
if let sceneNode = scene.rootNode as! GameScene? {
self.sceneNode = sceneNode
self.sceneNode.entities = scene.entities // <-- entities loaded here
self.sceneNode.graphs = scene.graphs // <-- graphs loaded here
// ... other scene loading code
}
}
}
}
这些实体和图形的数组变量在GameScene中声明。然后从数组中检索图形。
class GameScene : SKScene {
var entities = [GKEntity]()
var graphs = [String : GKGraph]()
var navigationGraph: GKGraph<GKGraphNode>!
override func didMove(to view: SKView) {
self.navigationGraph = self.graphs.values.first // <-- get a reference to your graph
}
}
self.navigationGraph = self.graphs.values.first(where: {$0.name == "GraphName"})