rotate package:gloss

A picture rotated clockwise by the given angle (in degrees).
A picture rotated clockwise by the given angle (in degrees).
Rotate a vector by an angle (in radians). +ve angle is counter-clockwise.
Global rotation (in degrees).
How many degrees to rotate the world by for each pixel of x motion.
During viewport rotation, where the mouse was clicked on the window to starte the rotate.