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NJ5 said:

@Squilliam: Yeah, that's because it's easier (and more acceptable) to scale graphics than things like AI and physics.

Everyone can understand that a game gets better resolution with a better GPU, but if the AI and physics are made scaled by CPU power, people won't like it (imagine if the enemies acted smarter on your friend's super-computer).

Scaling things like AI and physics would also make it harder to test a game... how to make sure the AI won't get too smart, or that weird physics bugs won't happen with differently-powered computers?

 

Its also a lot more difficult to design scaling AI/Physics because gameplay revolves around it. With graphics quality it doesn't matter whether or not the game runs with low/high textures or a high/low resolution etc. Thats why they don't do it besides making it more difficult to test the games. Though a lot of the high CPU requirements for games are caused by consoles being able to target a higher average CPU performance than a lot of PC developers and also because the consoles tend to lean on the floating point capabilities of the console CPUs and they fail to adequately program for the specific needs of the PC platform.



Tease.