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Last active January 28, 2018 00:34
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Implementing UIInterpolatingMotionEffect
import UIKit
// Extension
extension UIView {
func motionEffect(intensity: Int) {
// Set vertical effect
let verticalMotionEffect = UIInterpolatingMotionEffect(keyPath: "center.y", type: .tiltAlongVerticalAxis)
verticalMotionEffect.minimumRelativeValue = -intensity
verticalMotionEffect.maximumRelativeValue = intensity
// Set horizontal effect
let horizontalMotionEffect = UIInterpolatingMotionEffect(keyPath: "center.x", type: .tiltAlongHorizontalAxis)
horizontalMotionEffect.minimumRelativeValue = -intensity
horizontalMotionEffect.maximumRelativeValue = intensity
// Create group to combine both
let group = UIMotionEffectGroup()
group.motionEffects = [horizontalMotionEffect, verticalMotionEffect]
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