Opengl: moving the camera "fps style"

Question

I want to move the camera inside a 3D scene like this in a first person shooter style, how can I do that?

Answer 1

Your questions is rather general so I'm going to point you over to the great NeHe tutorials which can explain this far better than I can in the space allowed for SO Answers...

http://nehe.gamedev.net/data/articles/article.asp?article=08

This topic can get very in-depth but the above article is a good start at understanding matrix transforms and how it interacts with a "camera".