I've been creating something pretty similar to Lesson 10, and I've run into this problem where once I've moved far away from the origin (maybe thousands of units away), everything I render tends to be jittery whenever I rotate the camera.

When I was near the origin, moving the mouse to change the camera direction was very smooth, now it is all jaggedy.

I'm using double-point precision to calculate my rotations and then casting that to floating point for the glRotatef calls().

Anyone have any ideas as to what the problem is?

Thanks!

I think I figured out the problem. As I was progressively rendering further and further out, floating point translations accumulated error. I solved it by resetting the matrix more often.