[pygame] First person shooter help

[Astan Chee <astan.chee@xxxxxxxxx>]

Hi,
I am trying to understand and make a simple first person shooter game. I 
have got the map down and some objects in it using openGL. I am having 
problems now with the controls as well as the mathematics (or logic) 
behind it.
Can anyone suggest a simple fps in pygame openGL that demonstrates this? 
I have looked around and most examples are full blown games (that are 
hard to read) and the simplest examples don't show proper control for 
movement. By proper control I mean those that are common in fps games (e.g: HL,quake).
Thanks for any help or suggestions.
Cheers
Astan