No, I'm not saying that having one additional loop for camera, will result in any measurable slowdown.. And I use about 3-4 loops for the hole game, one for player, GUI and other in game adjustable stuff, one for all environment entities (particles, fading stuff and blahblahblah), one for debug (disabling this one, when publishing) and the last one for NPC. And I guess this is pretty fast, at least for my knowledge
