Moved getAngleBetween() form Camera to angles.h and updated it to not use the camera angle in it's calculation. Added camera rotation to the angle calculation for selecting the correct image by angles. Added a call to setRotation() to make sure that instance rotation is valid.

audiotest1.ogg & left_right_test.ogg are based on the song "Maybe" that shipped with the game Fallout 1. These files have been released by Interplay later under a license that permits you to copy and spread these files but without making profit of it!