SwiftSteeringBehavior
1.0.0
Steering behavior example at <<AdvanceEDActionScriptAnimation>> with abstracted interfaces and marshaling implementation by Swift language.
http://www.raywenderlich.com/76147/uikit-dynamics-tutorial-swift
https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-XID_449
http://java.dzone.com/articles/using-swift-and-sprite-kit?mz=27249-mobile
https://github.com/yangboz/ObjCSteeringBehavior
https://github.com/yangboz/as3SteeringBehavior