Xcode 7 SpriteKit 块错误

Xcode 7 SpriteKit Error with Blocks

有人知道为什么这在 Xcode 7 GM 中不再有效吗?

我已经调试验证过了,但是即使节点出现在场景中,它们也不再向父节点传递触摸事件。

下面是一个完整的示例。如果您替换 "New Sprite Kit Game" 中的默认 GameScene,您可以自己复制它。

class GameScene: SKScene {
    override func didMoveToView(view: SKView) {
        let card = Card(imageNamed: "card_background_blank")
        card.name = "Card"
        let stack = Stack(imageNamed: "stack_background")
        stack.name = "Stack"
        addChild(stack)
        stack.addChild(card)
        card.position = CGPointMake(100,100)
        stack.zPosition = 1
        card.zPosition = 1
        stack.position = CGPointMake(506,428)
        card.userInteractionEnabled = false
        stack.userInteractionEnabled = true
    }
    override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
        print("Touch")
        moveAllCardsAndReturn()
    }
    func moveAllCardsAndReturn () {
        var wait:NSTimeInterval = 1.0
        let waitIncrement:NSTimeInterval = 0.05
        let duration:NSTimeInterval = 0.15
        func removeAndMove(card:Card) {
            let oldParent = card.parent!
            card.removeFromParent()
            addChild(card)
            card.position = CGPointMake(500,48)
            var sequence = [SKAction]()
            sequence.append(SKAction.waitForDuration(wait))
            sequence.append(SKAction.runBlock({
                card.removeFromParent()
                oldParent.addChild(card)
                card.position = CGPointMake(100,100)
            }))
            card.runAction(SKAction.sequence(sequence))
            wait += waitIncrement
        }
        let stack = childNodeWithName("Stack")
        let card = stack?.childNodeWithName("Card")
        removeAndMove(card as! Card)


    }

}

class Stack:SKSpriteNode {
    override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
        print("Stack Touch")
    }
}
class Card:SKSpriteNode {
}

场景运行正常,但触摸不再传递到父节点,即使 userInteractionEnabled 对卡为 false,对卡的父节点为 true (a Stack:SKSpriteNode)

所以,我已经用一个有效的测试用例更新了它。这是一个错误,因为它在 iOS 8.4 sim 中有效,但在 9 GM 中无效。我已经提交给苹果了。

这是一个错误。

我已经创建了一个测试器 class 来测试是否存在错误并采取相应措施...

可以找到here