LaunchAnimation

• After reading the book "A GUIDE TO IOS ANIMATION", authored by Kitten Yang, I decide to write some iOS animations, and I want to code using swift, when you have use swift, you will love it.

• My goal is only one: To skill ios animation and learn with all the people of the whole world.
• When you finish this repository, you can also skill at iOS swift Animation!
• Twitter launch animation, custom controller transition animation.