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https://github.com/CezaryKopacz/CKWaveCollectionViewTransition

Cool wave like transition between two or more UICollectionView
https://github.com/CezaryKopacz/CKWaveCollectionViewTransition

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Cool wave like transition between two or more UICollectionView

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# CKWaveCollectionViewTransition



This is a cool custom transition between two or more UICollectionViewControllers with wave-like cell animation.

Could be used in e.g. galleries.



![anim.gif](https://raw.githubusercontent.com/CezaryKopacz/CKWaveCollectionViewTransition/master/anim.gif)



Animation idea was taken from [Łukasz Frankiewicz](http://twitter.com/almetien) [Dribble project](https://dribbble.com/shots/2044312-Bits-and-pixels-Tide-Transition)



## Installation



There are two options:



* Via CocoaPods.

* Manually add the files into your Xcode project. Slightly simpler, but updates are also manual.



## Usage



* In storyboard add an object in your NavigationController.



![object.jpg](https://raw.githubusercontent.com/CezaryKopacz/CKWaveCollectionViewTransition/master/usage1.jpg)



* Set it's class to NavigationControllerDelegate



![objectCustomClass.jpg](https://raw.githubusercontent.com/CezaryKopacz/CKWaveCollectionViewTransition/master/usage2.jpg)



* Set NavigationController delegate to this object.



![navigationControllerDelegateObject.jpg](https://raw.githubusercontent.com/CezaryKopacz/CKWaveCollectionViewTransition/master/usage3.jpg)



or 



Implement UINavigationControllerDelegate in your ViewController:



```swift

func navigationController(navigationController: UINavigationController, animationControllerForOperation operation: UINavigationControllerOperation,

        fromViewController fromVC: UIViewController, toViewController toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {

            let animator = CKWaveCollectionViewAnimator()

            if operation != UINavigationControllerOperation.Push {

                animator.reversed = true

            }



            return animator

    }

```



 * The last thing you have to set is **selectedIndexPath** property in your didSelectItemAtIndexPath method implementation.



```swift

override func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) {

        selectedIndexPath = indexPath

}

```



## Properties



```swift

internal let animationDuration: Double! = 1.0

```



Total animation duration.

   

```swift

internal let kCellAnimSmallDelta: Double! = 0.01

internal let kCellAnimBigDelta: Double! = 0.03

```

 

Properties you can change to adjust animation.



## Requirements



* iOS 7.0+



## License



Released under the MIT license. See the LICENSE file for more info.