Call of Duty 4 and Physx

pbmaster · Sep 17, 2008

Does anyone know if Call of Duty 4 supports Physx? The game has a lot of physics, and if possible I'd like to use the spare 8800 GTS 640 I have sitting next to me. You guys think I would see any gains?

wolf2009 · Sep 17, 2008

no it doesn't support physX , they have their own physics engine that works on the cpu .

DarkMatter · Sep 17, 2008

wolf2009 said:
no it doesn't support physX , they have their own physics engine that works on the cpu .

It works in the CPU, yes, but it's not their own. It's Havok.

wolf2009 · Sep 17, 2008

DarkMatter said:
It works in the CPU, yes, but it's not their own. It's Havok.

no its not, its a proprietary physics engine .

ilpalmare · Sep 17, 2008

No COD4 have a proprietary physics engine like CRYSIS :rockout:

Tatty_Two · Sep 17, 2008

I was sure HAvok comes up on the splash screen?.....maybe not.

pbmaster · Sep 17, 2008

So in other words I won't see an increase?

wolf2009 · Sep 17, 2008

pbmaster said:
So in other words I won't see an increase?

yes , there will be no increase

pbmaster · Sep 17, 2008

Aw, well then it continues to sit next to me unused.

DarkMatter · Sep 17, 2008

wolf2009 said:
no its not, its a proprietary physics engine .

Hmm, interesting. It seems you are right. It was listed in Havok website before launch, but it's not now. It's still listed in the spanish wikipedia entry for Havok physics, so that corroborates what I thought. I'm pretty sure it was a Havok game at some point.

ilpalmare said:
No COD4 have a proprietary physics engine like CRYSIS

Yeah but Crysis one is much better. COD4 has many good things, physics is not exactly one of them...

PP Mguire · Sep 17, 2008

COD4 has many good things, physics is not exactly one of them...

Orly? You cant shoot through walls last time i checked in Crysis.

But PhysX and phisics are 2 completely different things. CoD4 is not a PhysX game.

chron · Sep 17, 2008

sure you can shoot through walls in cod4, but you could do that in CSS!

COD4 has barely any physics but there are plenty of things that move that give it a nice look. For instance, random debris being swept by wind across a road or something...

PP Mguire · Sep 17, 2008

Those are like the only 2 games that utilize that type of phisics.

dazed554 · Sep 17, 2008

PP Mguire said:
Orly? You cant shoot through walls last time i checked in Crysis.

But PhysX and phisics are 2 completely different things. CoD4 is not a PhysX game.

How is shooting though walls physics?
Physics involves ragdolls, explosions, and destructible environments.

DarkMatter · Sep 17, 2008

PP Mguire said:
Orly? You cant shoot through walls last time i checked in Crysis.

But PhysX and phisics are 2 completely different things. CoD4 is not a PhysX game.

They have already replied to you, but:

1. As they said shooting through walls has nothing to do with physics. You could shoot through walls in Swat 3, BTW.

2. You can shoot through some surfaces in Crysis. Shooting with something like an M4 through most kinds of walls and killing people is unrealistic anyway. The bullet loses all of it's speed and is severely deviated by most walls. Most of the times it would just stay inside the wall, once it loses it's original shape it would have a hard time penetrating even human flesh.

Now a machinegun... that's another story.

pbmaster · Sep 17, 2008

Ah! All I wanted to know was if I would benefit from using a 8800 for physics!!

DarkMatter · Sep 18, 2008

pbmaster said:
Ah! All I wanted to know was if I would benefit from using a 8800 for physics!!

That was answered in the first reply.

But I get your point.

PP Mguire · Sep 18, 2008

If i spread a P90 through a wooden wall and your standing behind it those bullets will go through you.

Also shooting through walls = destructable environments. Its a phisics trait. And no, i dont mean PhysX.

DarkMatter · Sep 18, 2008

PP Mguire said:
If i spread a P90 through a wooden wall and your standing behind it those bullets will go through you.

Also shooting through walls = destructable environments. Its a phisics trait. And no, i dont mean PhysX.

Exactly what are you talking about? Shooting through walls or destructible environments?
IT'S NOT the same, shooting through walls has nothing to do with physics IN GAMES. I mean no physics calculations are made. At least until now, maybe when more compute power is available. Anyway there's no destructible environments in COD4 so I fail to see your point.

I haven't tested it and it's been a while since last I played Crysis, but AFAIK, you CAN shoot through wood (at least trees, fences, etc. sure you can), but obviously you can't through metal and concrete. Most walls in Crysis are metal or concrete, enough said.

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Call of Duty 4 and Physx

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