Simply Implement Zee Young's [animation] (https://dribbble.com/shots/2067564-Replace?list=searches&offset=0) ,the effect is not good enough,still needs more work.
Android Implement Can see race604's version
Web Implement Can see suez's version
Special Thanks to my teacher alienjun,we discuss how to use Core Image Filter to Distort these trees——his CIFilter demo.He also teach me how to use PaintCode & Beizier Path
