I know its kind of an "finished" thread but is it posible to "roll" the cube on a fixed Y axis?
I am trying to use it as a skybox and moving the X axis works great (left/right view), but moving the Y axis (in my case up/down view) while X is not 0, results in a diagonal motion.
Is it possible to move the cube in somekind of "world" yxz axis?