There are 3 simple steps to create your own collision shapes:
Don't know where to start?
Take a look at PhysicsEditor's tutorial section or grab a book!
Contact me and I'll try to find a solution for your problem!
PhysicsEditor can export to loads of gaming frameworks out of the box! Code and examples are included in the download.
Your favorite is not yet available?
Just create your own exporter or contact me!