http://www.mollyrocket.com/forums/in...52944aa11edec0

Especially see the IMGUI (Immediate Mode GUI) threads...very interesting...

http://www.mollyrocket.com/forums/vi...52944aa11edec0

I have been following the IMGUI tutorial on this site:
http://sol.gfxile.net/tutorials.html

I also recommend this tutorial:
http://sol.gfxile.net/gp/index.html

It includes creating a simple ball rolling game too
cheers,
Paul