hi, glRotate takes four parameters the first is the angle and the other three parameters define the vector which is the rotation-axis, right? If not, how can I interpret the x, y and z values.. The second thing I want to know is wich formula does opengl use to perform this rotation? [ 1 0 0 0 ] [ 0 1 0 0 ] [ 0 0 1 0 ] [ 0 0 0 1 ] after glRotate(w, x, y, z); [ a b c 0 ] [ d e f 0 ] [ g h i 0 ] [ 0 0 0 1 ] what is a, b, c, ... ? please help..

http://www.3dlabs.com/support/developer/GLmanpages/glrotate.htm