Ilmari Heikkinen wrote:
> Here's something I've been hacking on for the past two months, an OpenGL
> scenegraph engine written mostly in Ruby with some critical sections
> inlined in C. It's been a educational experience :)

Very nice, keep it up! Do you think this will ever be a replacement for 
the Tk 2D canvas? I'm thinking of things like layers, groups, event 
bindings, etc.  Actually, I guess event bindings wouldn't make sense 
outside of a GUI context. Maybe librend could be integrated into Fox?