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Thread: Some feedback..

  1. #1
    andy4trance is offline Unlicensed Member
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    Some feedback..

    Hi Eugene,

    First I hope you will take my observations as constructive, and as I don't have any knowledge of car physics and engineering, they come only from comparing with other sims out there...

    1) the game is a resource hog. My video cart is not the high end (GeForce 9600GT) but the mother board and processor are very ok. (Intel E8500 dual core 2 3.16Ghz). I can play it only on the medium video settings. What is eating more, the physics engine or the video?

    2) Should driving with all assists off be that difficult? On the Donington slope, on all cars, FWD or RWD, I cant go above 60-70 kph unless I want the ass of the car slide away uncontrollably (I'm using the G25 and although I try to be as gentle as possible with the controller, no success). Do I have to tweak something more on the car settings? (using the base setups). I'm thinking of other sims that have this track... are they cheating or smth at the no assist settings?

    3) And there is a bit of a problem with the sensitivity setting with my G25...the car reacts too strongly to the steering wheel although I minimized the sensitivity. On the other hand the throttle has to be floored;

    4) More racing tracks like the donington would be welcome..:)

    5) pls allow manual engine start during hotlap countdown.

    6) A more detailed physics parametrisation manual is very needed even for ones like me that prefer mostly using existing setups ...

    7) more car setups would be also welcome...maybe to simulate various car models in their category...

    Thanks.

  2. #2
    Eugene Cojocar's Avatar
    Eugene Cojocar is offline X-Motor Racing
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    Quote Originally Posted by andy4trance View Post
    Hi Eugene,

    First I hope you will take my observations as constructive, and as I don't have any knowledge of car physics and engineering, they come only from comparing with other sims out there...
    Hi andy4trance, sure I accept any observations and remarks and I try to consider all them.

    1) the game is a resource hog. My video cart is not the high end (GeForce 9600GT) but the mother board and processor are very ok. (Intel E8500 dual core 2 3.16Ghz). I can play it only on the medium video settings. What is eating more, the physics engine or the video?
    It requires more video resources especially on old tracks like Rialto, Corona etc.
    Donington Park and NHIS are quite fast tracks.
    9600GT is quite performance video card maybe it’s because of drivers troubles.
    I test it on Radeon mainly.

    2) Should driving with all assists off be that difficult? On the Donington slope, on all cars, FWD or RWD, I cant go above 60-70 kph unless I want the ass of the car slide away uncontrollably (I'm using the G25 and although I try to be as gentle as possible with the controller, no success). Do I have to tweak something more on the car settings? (using the base setups). I'm thinking of other sims that have this track... are they cheating or smth at the no assist settings?
    Sure, it’s more difficult drive without assists. If you want more controllable driving:
    1. Decrease engine power (torque curve) in VehiclePhysics.
    2. Add more understeer by tire model and/or Anti-Roll bar stiffness. To add more understeer the front Anti-Roll bar Stiffness must be more than rear one.
    For example Front Anti-Roll bar is 45000 and the Rear Anti-Roll bar is 15000.
    In this case the car must be more understeer.
    Tire model is more complex way that allows tweaking Cornering properties on SlipAngles/Slip.
    3. Tweak steering system and toe angles.
    4. Tweak stability control in Brakes Page of the VehiclePhysics utility.
    I can’t say regarding other sims because I don’t know their physics implementation.

    3) And there is a bit of a problem with the sensitivity setting with my G25...the car reacts too strongly to the steering wheel although I minimized the sensitivity. On the other hand the throttle has to be floored;
    I can’t get G25 yet to test it but I think you should maximize AXIS SENSITIVITY and tweak TURN COMPENSATION parameter in FF/ZONES menu and steering system of the vehicle.

    4) More racing tracks like the donington would be welcome..:)
    Your wishlist, please :)

    5) pls allow manual engine start during hotlap countdown.
    All-right.

    6) A more detailed physics parametrisation manual is very needed even for ones like me that prefer mostly using existing setups ...
    It will take lots of time because I think it have to include some vehicle physics sections to explain it more carefully.

    7) more car setups would be also welcome...maybe to simulate various car models in their category...

    Thanks.
    We will include new cars step by step from this list at first:
    http://www.xmotorracing.com/vote2/results.php
    XMR Developer

  3. #3
    andy4trance is offline Unlicensed Member
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    Hi there,

    How's the develping going? :)

    I had some time to play with the game a bit. Here are some of the issues (at least what I think there are issues) ot things I would care for being adjusted:
    1) there sould be an option for music to be on only in menus and repalys;
    2) the sound of the engines is weird at least on my comp. I don't care for the sound to imitate the Octavia or A4, but often it sounds like 2 sound samples detuned. It also seems to come with a lag from the time I push the pedal.
    3) The door slapping sound in the menu should be allowed to be switched off;
    4) if I change the camera in the replays, it chages the camera in the driving mode, it shouldnt be like that; also some view modes in the replays seem weird - like the still tv type camera that does not swich to the next closest one
    5) driving on the grass seems too smooth (at least at Donington);
    6) I know you already mentioned the fact that you didn't test it on G25, but here are some things I felt wrong: - there seems to be a deadzone on the wheel even if I set it to 0 in the options; - same with the pedals;(actually the best way to use it for me is minimum sensitivity and minimum compensation)
    Now to physics:
    7) Please, use the advantage of the game huge customisation options to create various tyre models, car setups models, etc. (I don't care for the design, you could use a BMW setup on the A4)
    8) can you add some friction sensation in the wheel (smth like in iRacing) because it feels way too light sometimes;
    9) It would be nice to add racing tracks like D-park (Anything from Nurburgring to Monza etc. )
    10) I would like to see other series cars (I know that preferences vary here);


    Thanks

  4. #4
    Eugene Cojocar's Avatar
    Eugene Cojocar is offline X-Motor Racing
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    Quote Originally Posted by andy4trance View Post
    Hi there,
    How's the develping going? :)
    Everything is fine.
    Now we work on the multiplayer improvements and online supporting.


    I had some time to play with the game a bit. Here are some of the issues (at least what I think there are issues) ot things I would care for being adjusted:
    1) there sould be an option for music to be on only in menus and repalys;
    Do you mean to separate music options for the game and menus and replays?

    2) the sound of the engines is weird at least on my comp. I don't care for the sound to imitate the Octavia or A4, but often it sounds like 2 sound samples detuned. It also seems to come with a lag from the time I push the pedal.
    The lag is possible. It depends on sound options like RPM LIMIT, DADE DELAY, VO LIMIT and FREQ LIMIT. To find more information about these settings please refer to the manual (page 22).

    6) I know you already mentioned the fact that you didn't test it on G25, but here are some things I felt wrong: - there seems to be a deadzone on the wheel even if I set it to 0 in the options; - same with the pedals;(actually the best way to use it for me is minimum sensitivity and minimum compensation)
    Hmm, there won’t be a deadzone when it’s at 0.

    Now to physics:
    7) Please, use the advantage of the game huge customisation options to create various tyre models, car setups models, etc. (I don't care for the design, you could use a BMW setup on the A4)
    8) can you add some friction sensation in the wheel (smth like in iRacing) because it feels way too light sometimes;
    9) It would be nice to add racing tracks like D-park (Anything from Nurburgring to Monza etc. )
    10) I would like to see other series cars (I know that preferences vary here);
    It’s quite possible.
    We’ll try to include some of it in the next version..
    XMR Developer

  5. #5
    apeiros is offline Unlicensed Member
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    i started to ''test'' the demo version of the game and here's my feedback so far:

    first i would like to congradulate for the many dynamical aspects that this physics engine covers!!!f.e in most simulators when you release suddenly the gas pedal there is no oversteer induced or very slight one but xmr has implemented that correct..

    but my problems are:

    the demo car doesnt oversteer when you press the gas hard or overrev the engine in sharp turns it oversteers correct only by weight transfer and not by wheel torque due to engine...

    the engine seems to have a very high inertia and when you release the pedal of the gas revolutions die out too slow...(even if you press the clutch and you separate engine and wheels-axis systems)

    and finally and most important(the two previous things might be my imagination i havent drove a boxter ever...)is the force feedback which lacks sthing i dont know
    but im sure if you can upgrade it it would make a Big difference....


    with regards

  6. #6
    Eugene Cojocar's Avatar
    Eugene Cojocar is offline X-Motor Racing
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    Quote Originally Posted by apeiros View Post
    the demo car doesnt oversteer when you press the gas hard or overrev the engine in sharp turns it oversteers correct only by weight transfer and not by wheel torque due to engine...
    You are right car in demo doesn’t oversteer when you press the gas hard.
    This happens because of lack of torque and longitudinal tire force curve.
    I think I could correct it very easy or add another setups.

    the engine seems to have a very high inertia and when you release the pedal of the gas revolutions die out too slow...(even if you press the clutch and you separate engine and wheels-axis systems)
    I'm not sure about very high inertia of the engine...

    and finally and most important(the two previous things might be my imagination i havent drove a boxter ever...)is the force feedback which lacks sthing i dont know
    It's hard to improve FF in this case but I will try to do it.

    Thanks for your feedback.
    Last edited by Eugene Cojocar; 16th November 2009 at 23:26.
    XMR Developer

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