this is my first question here and apologize for bad English.I was recently making a game application using Xcode 6.4 which worked perfectly in IOS devices. However, when I upload Xcode 7 Beta 4 to develop my app for IOS 9 there was a problem.I was using this code in Xcode 6, which was restricting my hero to flip between -1.0 and 1.0 in X-axes, my hero could not flipping to -2.0:func flip() { isUpsideDown = !isUpsideDown var scale: CGFloat! if isUpsideDown { scale = -1.0 } else { scale = 1.0 } let translate = SKAction.moveByX(0, y: scale*(size.height + kMLGroundHeight), duration: 0.1) let flip = SKAction.scaleYTo(scale, duration: 0.1) runAction(translate) runAction(flip) }But now in Xcode 7 this cod seems to not work. Firstly it seems alright but then hero starts to flip to -2.0, -3.0 and this goes on until the hero goes out of frame.Also this is my game scene cod which worked perfectly on Xcode 6: override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) { if isGame