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Forums - Sony - Gran Turismo 6: Real enough to confuse my body

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ethomaz on 28 June 2013
Michael-5 said:

Well there you go, that's probably why I'm pretty decent with a controller. I remember the Logitech wheel for PS3, and how GT had sensitivity settings, I was jealous.

Anyway, I will get a PS3 this fall, and I will get GT6, so....I'll see you then *shifty eyes.*

--

Also I wouldn't say Forza is a bad sim at all, I have a racing licence, and driven race cars on the track. Both GT5 and Forza do a lot of things right, and a lot of things wrong. Different things per game. E.G. I think GT5 models car physics well under braking, but poorly under acceleration. It gives front engine RWD cars too much understeer, but under braking, I think it's pretty much spot on.

I didn't say that Forza is a bad sim... I said the wheel support in 360 is crap... the FFD due XID protocol is terrible.

But you can only play Forza with this... so at the end you never have the same FFD feeling found in PS3 or PC even if Forza become the best sim in the planet.



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ethomaz on 28 June 2013

To explain better the difference between HID and XID.

HID: The game using the CPU simulate the FFD (Force Feedback) and send the commands to Wheel (well like "push to right or left"... or anything else).

XID: The wheel uses profiles previous created... so no CPU is used to simulate anything.

It's not hard to understand why the XID is a bad choice in a simulation game... because there are no different response based in user actions into the game.... the game no simulate what the FFD will be... the wheel will always uses a predefined profile.

So in Forza if a different action happen in the game the FFD didn't change... in PS3 and PC you receive a different FFD based in what happen in the game.

The bad part of HID is that you need to use CPU resources to that... the XID free up the CPU at cost of less real life simulation.



Michael-5 on 29 June 2013
ethomaz said:
Michael-5 said:

ethomaz tells me that my 360 wheel, even though it's Microsoft branded, works on the PS3, but then he also says it's a bad wheel so I dunno.

I don't really race competitively, I just know I'm fast. I almost won a PS3 in a GT5 competition, lol. I had the record lap time, but I messed up right at the end on Trail Mountain. Cut the last corner too hard and got a bit of air, and I didn't want to wait in a 20 minute line again...(was at the auto show). Still even backwards, I did rank well I recall, LOL.

I tells you yur 360 wheel works better on PS3 than 360... XID FFD is really bad.

PC and PS3 uses HID FFD.

"PS3 and PCs use HID force feedback mechanisms. The machine calculates the strength and direction of force feedback based on the actions in the game.

 360/older PCs use XID force feedback mechanisms. The machine only calculates what force feedback profile to use based on actions in the game ("Profile 82!"), the wheel then determines the strength and direction based on that profile ("Profile 82? That's 42.6% left and 21.1% right, 0.04s apart!").

Since the machine only does some of the calculation and the wheel does some, it's more machine-efficient - more system resources are available to do other things - but it's also a technology tightly controlled by Microsoft and they will not licence it to Logitech. It also means all wheels - XID or HID - will work on HID devices (PS3/modern PCs), but you're limited to XID only on XID devices, and that means the official MS wheel (which is crap) or the Fanatec Turbo S (which is expensive)."

You are limited in 360 to XID... that's not a wheel issue.

Make a easy test... put your wheel on PS3 or PC not using XID and you see the FFD works in a way you never saw before .

Well, I'll try this with my PS3 when I get one. Hopefully, I don't need to get a new wheel, would be funny playing with a Microsoft Wheel on Gran Turismo.



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