rotation_dir(dir_prev, angle_prev, angle)

///@func rotation_dir(rot_dir_current, angle_old, angle_new)
///@desc Returns 1 if an instance is rotation clockwise, -1 if it's rotating counter-clockwise
///
///@param rot_dir_current
///@param angle_old
///@param angle_new

return (argument2 == argument1) ? argument0 : (((argument2 - argument1 + 360) % 360 - 180 > 0) ? -1 : 1);