我正在尝试向节点添加滑动手势，以便当用户滑动它时，它会离开屏幕，但我不断收到SIGABRT错误：
`Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[fidget2.PlankScene swipedRight:]: unrecognized selector sent to instance 0x7ff4c3603e00'`
我不确定为什么会出现这个错误。我确保该节点在.sks文件。这是我的代码：
import SpriteKit
let plankName = "woodPlank"
class PlankScene: SKScene {
var plankWood : SKSpriteNode?
override func didMove(to view: SKView) {
plankWood = childNode(withName: "woodPlank") as? SKSpriteNode
let swipeRight : UISwipeGestureRecognizer = UISwipeGestureRecognizer(target: self, action: Selector("swipedRight:"))
swipeRight.direction = .right
view.addGestureRecognizer(swipeRight)
}
func swipedRight(sender: UISwipeGestureRecognizer) {
print("Object has been swiped")
}
func touchesMoved(touches: Set<NSObject>, withEvent event: UIEvent)
{
let touch = touches.first as! UITouch
let location = touch.location(in: self)
if (plankWood?.frame.contains(location))!
{
print("Swipe has started")
}
}
}
遇到了同样的问题，所以我们对此有一个公认的答案，我想指出留下的评论0x141E是正确的解决方案：
Replace Selector("swipedRight:") with #selector(PlankScene.swipedRight)
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