modifyAngAccel :: (GLdouble -> GLdouble) -> Entity -> Entity
modifyAngAccel f t = t{angAccel = f (angAccel t)}
modifyAngAccel :: (GLdouble -> GLdouble) -> Entity -> Entity
modifyAngAccel f t = t{angAccel = f (angAccel t)}
modifyAngAccel f t = t{angAccel = f (angAccel t)}