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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| // | ||
| // UIMotionEffect+Yep.swift | ||
| // Yep | ||
| // | ||
| // Created by NIX on 16/8/15. | ||
| // Copyright © 2016年 Catch Inc. All rights reserved. | ||
| // | ||
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| import UIKit | ||
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| extension UIInterpolatingMotionEffectType { | ||
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| var yep_centerKeyPath: String { | ||
| switch self { | ||
| case .TiltAlongHorizontalAxis: | ||
| return "center.x" | ||
| case .TiltAlongVerticalAxis: | ||
| return "center.y" | ||
| } | ||
| } | ||
| } | ||
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| extension UIMotionEffect { | ||
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| class func yep_twoAxesShift(strength: Float) -> UIMotionEffect { | ||
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| func motion(type: UIInterpolatingMotionEffectType) -> UIInterpolatingMotionEffect { | ||
| let keyPath = type.yep_centerKeyPath | ||
| let motion = UIInterpolatingMotionEffect(keyPath: keyPath, type: type) | ||
| motion.minimumRelativeValue = -strength | ||
| motion.maximumRelativeValue = strength | ||
| return motion | ||
| } | ||
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| let group = UIMotionEffectGroup() | ||
| group.motionEffects = [ | ||
| motion(.TiltAlongHorizontalAxis), | ||
| motion(.TiltAlongVerticalAxis), | ||
| ] | ||
| return group | ||
| } | ||
| } | ||
|
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