使用 swift 接触多个节点 - IOS

Question

EDIT为了解决我的问题，我忘记了最初将此代码包含在我的代码中，我稍后将其放在这里供任何有相同问题的人使用。

override func didMoveToView(view: SKView) {
    self.view?.multipleTouchEnabled = true // --------- set multiple touch
}

我正在制作一款带有 3 个按钮(节点(、一个向左、向右移动的按钮和一个满足我所有拍摄需求的开火按钮的游戏。无论如何，我想让我的游戏同时识别射击和移动触摸。这是我所有的触摸代码：

override func touchesBegan(touches: Set<UITouch>, withEvent event:   UIEvent?) {
    for touch in touches {
        let location = touch.locationInNode(self)
        let touches = self.nodeAtPoint(location)
        if (touches.name == "rightBtn") {
            rightDown = true
        }
        if (touches.name == "leftBtn") {
            leftDown = true
        }
        if (touches.name == "fireBtn") {
            shooting = true
        }
        if (touches.name == "fireBtn" && touches.name == "rightBtn") {
            rightDown = true
            shooting = true
        }
        if (touches.name == "fireBtn" && touches.name == "leftBtn") {
            leftDown = true
            shooting = true
        }
    }
}
override func touchesMoved(touches: Set<UITouch>, withEvent event: UIEvent?) {
    for touch in touches {
        let location = touch.locationInNode(self)
        let touches = self.nodeAtPoint(location)
        let prevLocation = touch.previousLocationInNode(self)
        let prevLocationTouches = self.nodeAtPoint(prevLocation)
        if (touches.name == "rightBtn" && prevLocationTouches.name == "rightBtn") {
            rightDown = true
            leftDown = false
        } else if (touches.name == "leftBtn" && prevLocationTouches.name == "leftBtn") {
            rightDown = false
            leftDown = true
        } else {
            rightDown = false
            leftDown = false
        }
        if (touches.name == "fireBtn" && prevLocationTouches.name == "fireBtn") {
            shooting = true
        }
        if (touches.name == "fireBtn" && prevLocationTouches.name == "rightBtn") {
            shooting = true
            rightDown = true
        }
        if (touches.name == "fireBtn" && prevLocationTouches.name == "leftBtn") {
            leftDown = true
            shooting = true
        }
    }
}
override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
    for touch in touches {
        let location = touch.locationInNode(self)
        let touches = self.nodeAtPoint(location)
        if (touches.name == "rightBtn") {
            rightDown = false
        } else if (touches.name == "leftBtn") {
            leftDown = false
        } else {
            shooting = false
        }
    }
}

此代码不允许同时触摸两次。我错过了什么吗？

Answer 1

也许您忘记在视图中启用多个触摸？

https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIView_Class/#//apple_ref/occ/instp/UIView/multipleTouchEnabled

设置为 YES 时，接收器将接收与多点触控序列关联的所有触摸。设置为 NO 时，接收器仅接收多点触摸序列中的第一个触摸事件。此属性的默认值为 NO。