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Spinning a view with UIPropertyViewAnimator
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| let timing = UICubicTimingParameters(animationCurve: .easeInOut) | |
| let animator = UIViewPropertyAnimator(duration: 6.0, timingParameters: timing) | |
| // ball is a UIView | |
| let rotationAnimation: ()->Void = { | |
| ball.transform = ball.transform.rotate(CGFloat.pi) | |
| } | |
| for _ in 1...6 { | |
| animator.addAnimations(rotationAnimation) | |
| } | |
| animator.startAnimation() |
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Medium article