Swift3でUIImageを二回反転させて一回転させる方法
UIImageをIBOutlet
@IBOutlet weak var YourImage: UIImageView!
animateメソッドで反転処理を二回実行
UIView.animate(withDuration: 0.5,animations: { () -> Void in
self.YourImage.transform = self.BodyClockImage.transform.scaledBy(x: -1.0, y: 1.0)
self.YourImage.transform = self.BodyClockImage.transform.scaledBy(x: -1.0, y: 1.0)
})