I think I had copy/pasted some code for a 3rd Person Follower camera and I just needed to mess with the negative signs to make sure left was left and right was

I think I had copy/pasted some code for a 3rd Person Follower camera and I just needed to mess with the negative signs to make sure left was left and right was right. But yes, you can certainly get away with very little math even in 3d games.