Agree but to be fair I wouldn't have known the answer either if they said 30ns. Then again, I do know as a dev that unless it's happening every frame (ie for g

Agree but to be fair I wouldn't have known the answer either if they said 30ns. Then again, I do know as a dev that unless it's happening every frame (ie for games), as long as you're not introducing non-scalable complexity, the computation time of a bit of reasoning is often negligible.