How to use an xcode game on unity3d

Question

I have a game built on xcode using objective c. this game needs to be integrated with another game developed in unity3d as a part of it. how can i do this? what plugins are

Answer 1

Have a look at the following resources about mixing Unity3D code with Objective-C native code:

• Mixing Unity generated code with Objective-C in iOS?
• iPhone & Unity3D: Integrating 3rd Party Static Libraries in Unity3D Generated XCode Projects
• Unity Native Plugins: OS X

If both application modules need interact on a high frequency, I recommend a polling approach instead of SendMessage, because of a perfomance lack in the latter case.