Physics?

[XtAsY]

“Originally Posted by Ulfhedjinn
Judging by the quad-core demonstration of Alan Wake, I would have to disagree.”
Can you please explain and show where these good physics are? As impressive as the video was from a physics point of view it was very average and much worse then videos from upcoming games . There was no high end physics, no realistic foliage, no liquids, no cloth and not many objects. I didn’t see anything that’s not been done before.

If anything Alen Wake proves CPU’s cannot do physics and we need PPU’s and GPU’s for it. Its got 1 CPU core all to physics and its doing worse then todays physics games. Let alone the upcomeing PPU and GPU games.

You are wrong as I know of no game that has used any form of vortex funnel physics simulation so for the first game to do it, it looked pretty impressive. Liquid simulations, well, just take a look at how bad they are in Cell Factor. Liquid simulations are in fact created by particles assigned to a polygon mesh. There are usually hundreds of these particles and these are what is effected by the forces present in the game. The particles then drive the shape of the geometry to create the liquid looking effect. A shader is then applied to the geometry to actually make it appear like a liquid. In Cell Factor I could not see any evidence of particles at work, more like large sphere type things. No game has really featured proper liquid simulation yet. I'm hoping Crysis will really be what its hyped up to be in the physics department,

 

[Pottsey]

”Originally Posted XtAsY
You are wrong as I know of no game that has used any form of vortex funnel physics simulation so for the first game to do it, it looked pretty impressive.”
Pretty sure vortex physics effects have been done in other games. Didn’t No One Lives Forever 2: A Spy in H.A.R.M.'s have you fighting ninjas in a trailer park in Ohio during a tornado? The tornado killed the enemy messed up your bullets and flattened buildings. Pretty much everything you see in Alan Wake physics wise anyway. But I am at work so cannot search for videos and screenshots to do a comparison. If anyone else has time can they look it up? I believe the first/older demo has the tornado level in it.

As for being attracted to physics threads, I sure am. Graphics cards got boring nothing new and interesting has came out in ages its all more speed. As nice as the Ge8800 was its still not interesting and offers nothing new yet. Physics on the other hand are starting to get interesting and more advanced.

 

[Pottsey]

http://www.fpsteam.it/old/webnet/fps/nolf2/nolf2f.jpg
http://www.gamingillustrated.com/images/nolf2_1.jpg

http://uk.gamespot.com/pc/action/noonelivesforever2asihw/video_player.html?id=JHc7xDOq5bsPvzff

At about 1min 12 second you see the tornado rip part of the building away your standing in and as you get near to it wooden posts get pulled out from fence’s into the tornado along with trailer blown over and moved e.c.t

 

[LoadsaMoney]

Yup A Spy In Harms Way did have a ninja fight in a trailer park in a tornado, cracking level that.

 

[jrodga2k5]

Didnt need a PPU either for the effects that correct me if im wrong look like GRAW's all the silly debris for example

 

[lay-z-boy]

Didnt need a PPU either for the effects that correct me if im wrong look like GRAW's all the silly debris for example

IMO, graw is a bad example, even cellfactor is better and that isnt great either, i still think we have to wait for decent titles to come out before we see things like physics put to good use.

 

[XtAsY]

http://www.fpsteam.it/old/webnet/fps/nolf2/nolf2f.jpg
http://www.gamingillustrated.com/images/nolf2_1.jpg

http://uk.gamespot.com/pc/action/noonelivesforever2asihw/video_player.html?id=JHc7xDOq5bsPvzff

At about 1min 12 second you see the tornado rip part of the building away your standing in and as you get near to it wooden posts get pulled out from fence’s into the tornado along with trailer blown over and moved e.c.t

I think that tornado may be scripted. I don't know that its being simulated in real time.

 

[Pottsey]

It wouldn’t surprise me if the path was scripted but the effects of the tornado don’t appear to be. Playing the demo quick the trailer didn’t always get blown over and I am sure once it was blown on a fence and the next time it hit the house. I wasn’t watching the fence’s closely enough to see if they where scripted or done in real time when they get pulled out of the ground and go flying..

The building section coming off I bet is scripted but I don’t have the full game to check.

 

[Noxis]

As for being attracted to physics threads, I sure am. Graphics cards got boring nothing new and interesting has came out in ages its all more speed. As nice as the Ge8800 was its still not interesting and offers nothing new yet. Physics on the other hand are starting to get interesting and more advanced.

Apart from the fact you can dedicate stream processors in the G80 to physics calculations Already working in a few nVidia tech demos