Swift Animatin. Example - Swift 5
let guruRotateAnimation =
CABasicAnimation(
keyPath: "transform.rotation")
guruRotateAnimation.
fromValue = 0.0
guruRotateAnimation.
toValue =
CGFloat(Double.
pi * 2.0)
guruRotateAnimation.
duration = 1
ballImage.layer.add(guruRotateAnimation,
forKey: nil)
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GURU IS YOUR BEST SOLUTION!