This is a post by iOS Tutorial Team Member Allen Tan, an iOS developer and co-founder at White Widget. You can also find him on Google+ and Twitter. This is the second part of a tutorial series that shows you how to make a sprite cutting game similar to the game Fruit Ninja by Halfbrick Studios. In the first part, you learned how to create a Textured Polygon, and made a Watermelon out of it. All t