cocos2d for iPhone

A fast, easy to use, free, and community supported 2D game engine

1. 

   edge17
   Member

   Not sure if this has been answered elsewhere, I've seen bits and pieces of info in lots of different places, but haven't been able to find a verbose explanation anywhere.

   What's the technical reason behind performance degradation when mixing UIKit and Cocos2d? Is it because of interaction issues between Quartz and OpenGL?

   Posted 1 year ago #
2. 

   riq
   Key Master

   yes, it's not cocos2d fault.

   Mixing OpenGL (cocos2d or any other OpenGL program) with UIKit requires a few tips like:
   - If the UIKit view is going to occupy all the visible window, then disable the director
   - if the UIKit is 100% opaque, then set the property opaque as YES

   Posted 1 year ago #
3. 

   edge17
   Member

   Thanks Riq!
   Actually, I was wondering something more along the lines of, are there multiple update loops running or something (one for quartz and one for openGL)? What causes OpenGL and Quartz to not play nicely?

   I'm basically just trying to fill a gap in my knowledge of the runtime environment.

   Posted 1 year ago #
4. 

   Tone
   Member

   Last year I was able to use cocos2d and UIKit together for a snow effect. This was for another persons app and it ran fine. Granted I was doing much but know but they worked fine together.

   Posted 1 year ago #
5. 

   dummy
   Member

   Hi,

   I added a UIView in a cocos2d project, and I used UIView beginAnimations, ..., commitAnimations, etc to do animation / transition.

   However, the animation / transition effect does not work.

   What should I do to solve this problem ?

   Disable the director ? Set the property opaque as YES ?

   Thanks

   Posted 1 year ago #

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