“[SKNode]”类型的值没有成员“名称”

Question

我的代码有问题。请在第 5 行帮助我！错误说：

“[SKNode]”类型的值没有成员“名称”

这是我得到错误的函数：

 override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {

    for touch: AnyObject in touches{
        let pointOfTouch = touch.location(in: self)
        let nodeITapped = self.nodes(at: pointOfTouch)

        if nodeITapped.name == "startButton"{

            let sceneToMoveTo = GameScene(size: self.size)
            sceneToMoveTo.scaleMode = self.scaleMode
            let myTransition = SKTransition.fade(withDuration: 0.5)
            self.view!.presentScene(sceneToMoveTo, transition: myTransition)

        }

我在if nodeITapped.name == "startButton" 的行上遇到错误

Answer 1

self.nodes(at: pointOfTouch) 返回一个节点数组，因此您应该循环通过该数组检查每个节点。此外，您应该在找到该节点后从您的函数中return：

override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {

    for touch in touches {
        let pointOfTouch = touch.location(in: self)
        for nodeITapped in self.nodes(at: pointOfTouch) {

            if nodeITapped.name == "startButton" {

                let sceneToMoveTo = GameScene(size: self.size)
                sceneToMoveTo.scaleMode = self.scaleMode
                let myTransition = SKTransition.fade(withDuration: 0.5)
                self.view!.presentScene(sceneToMoveTo, transition: myTransition)

                // found the one I was looking for, so don't continue
                return
            }

Answer 2

当您收到此错误时：“[SKNode]”类型的值没有成员“名称”

我认为 nodeITapped 是一个节点数组，所以像这样使用

nodeITapped.name.name == "startButton"

或者

可以尝试这样的循环：

for nodeITapped in self.nodes(at: pointOfTouch) {

    if nodeITapped.name == "startButton"{