Featured iPhone Development Resources,iOS Development Libraries,Objective-C,Open Source iOS Libraries And ToolsThe genie transition effect that appears when minimizing and maximizing windows in Mac OS X.
Ciechan has created a project called BCGenieEffect containing a UIView category that allows you to add these effects to your iOS views and it looks great especially when used in conjunction with a button.
Here are a couple of images from the readme showing off the effect:
You simply need to define the duration, and the starting or ending rectangle size.
You can find BCGenieEffect on Github here.
You can also find this Stackoverflow question thread that explains the technique used transform a rectangle into a quadrilateral.
An very well done implementation of this staple Mac effect.
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Original article: Category Allowing You To Recreate The Mac OS X Genie Animation Effect On An iOS UIView
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