move diagnal

[caophong]

hi,

right now i am using the arrow keys to move my figures. but i can not seem to move diagnal. everytime i try to move diagnal it only move on one direction. i am using the glutSpecialFunc(). any comment? thanks.

Check out this site http://www.fatech.com/tech/opengl/glut/

It is much better to post programming questions on the developer forums.