Mirror's Edge > Discussions générales > Détails du sujet
IrocProductions 16 fév 2013 à 21h21
Impossible lag
So, I'm not sure if it's my PC being a ♥♥♥♥♥ but I can't get past the third mission of the game because it enters 4/fps pretty much. What should I do?
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Baldrickk 17 fév 2013 à 2h20 
have you turned physX extras off?
IrocProductions 17 fév 2013 à 21h51 
no, but I have seen people suggest it, but I've never known how
Baldrickk 18 fév 2013 à 1h35 
Options > Video > PhysX ON - OFF
retroquark 18 fév 2013 à 5h14 
If you have a newer nvidia card, you can still use the physx effects, though. If you delete/move the packed physx libraries in the Mirror's Edge folder. When you do that, the game will use the physx library packed with the display driver instead.

The one that comes with the game is an old version, and it doesn't work with the kepler and optimus cards.. possibly other cards too, that allow the cpu to partially run physx.

So rename or move physxcore.dll, physxdevice.dll, and the physxlocal folder. (Leave the other physx* files alone.)
Lap88 18 fév 2013 à 10h46 
Same thing happened to me, and I run the game on ultra. Turning off the PhysX definetly fixed it.
Baldrickk 18 fév 2013 à 10h51 
retroquark a écrit :
If you have a newer nvidia card, you can still use the physx effects, though. If you delete/move the packed physx libraries in the Mirror's Edge folder. When you do that, the game will use the physx library packed with the display driver instead.

The one that comes with the game is an old version, and it doesn't work with the kepler and optimus cards.. possibly other cards too, that allow the cpu to partially run physx.

So rename or move physxcore.dll, physxdevice.dll, and the physxlocal folder. (Leave the other physx* files alone.)

Yeah, I forgot to mention that, thanks

Game can still get laggy though - try taking out every banner in the open area at the end of chapter 1.
Dernière modification de Baldrickk; 18 fév 2013 à 10h52
IrocProductions 18 fév 2013 à 17h14 
I'd personally like to tahnk you all because I took all of your suggestions and it worked, I just beat the story mode. Thanks a bunch guys! ;)
Porn Hoe Penis (Banni) 19 fév 2013 à 13h32 
its not ur pc its the game its so bad that it makes u lag
Zebzab 21 fév 2013 à 11h33 
same happend to me. pain in the ♥♥♥! i dont get why they didnt just t´have it turned off by default.
IrocProductions 21 fév 2013 à 13h45 
Maybe some people's computers can actually handle that ♥♥♥♥ idk lol
The Diddly Dooer 25 fév 2013 à 20h20 
The game uses PhysX, which is a physics bound side engine built for Nvidia's main GPU series, the GTX. Most time it is enabled because the game will either: A) Rely on physics or B) Optimized for Nvidia
Baldrickk 26 fév 2013 à 3h05 
PhysX is actually always on being the physics engine that comes with the Unreal engine (not that a developer can't choose to use something else). The toggle turns on the extras: persistent glass shards, deformable fabrics, various other bits of eye-candy etc. that require extra resources to process. Because not everyone will have a powerful rig capable of this, it is put into an extra setting. As such, these effects can't be relied on for controlling the game, so you get effects like the spreading corrosion in borderlands 2 being a simple range based solution, whether you can see the corrosion dripping down the hill or not.
Baldrickk 26 fév 2013 à 3h06 
Zebzab a écrit :
same happend to me. pain in the ♥♥♥! i dont get why they didnt just t´have it turned off by default.
With it off by default, it is likely that the majority of players who can use it won't dig into the menus enough to find it, even if it was a flagship physX game
Scumbag Maple Glazed 1 mar 2013 à 17h02 
Baldrickk a écrit :
PhysX is actually always on being the physics engine that comes with the Unreal engine (not that a developer can't choose to use something else). The toggle turns on the extras: persistent glass shards, deformable fabrics, various other bits of eye-candy etc. that require extra resources to process. Because not everyone will have a powerful rig capable of this, it is put into an extra setting. As such, these effects can't be relied on for controlling the game, so you get effects like the spreading corrosion in borderlands 2 being a simple range based solution, whether you can see the corrosion dripping down the hill or not.

Acctually the PhysX implementaion in this game is horrible causing the lag on even higher end PC's. I can run most games with PhysX on, but not this one.
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