GPL AI racers

Two questions: Are the AI racers in GPL worth emulating? I just ran a novice race at Monza, and afterward I reviewed the in cockpit of the other drivers. Either I was shifting at all the wrong places, or the AI is faking it, or maybe all the drivers really did drive so totally differently. Even different drivers in the same cars would sometimes wind it way out (Chris Amon almost never hit 5th) or shift quick (Bandini and Parkes both using lots of upper gear). It also seemed as though the AI drivers were braking impossibly deep in the turns. Also, does GPL model tire wear at all? I thought I read that it didn't, but I swear that after one off road excursion (and not using shift-R) that the car is a lot more susceptible to slipping. As if I've flat-spotted a tire or something.<g>

On Fri, 16 Feb 2001 01:19:40 GMT, "MK" <[email hidden]> wrote:

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>Two questions: > >Are the AI racers in GPL worth emulating? I just ran a novice race at Monza, >and afterward I reviewed the in cockpit of the other drivers. Either I was >shifting at all the wrong places, or the AI is faking it, or maybe all the >drivers really did drive so totally differently. Even different drivers in >the same cars would sometimes wind it way out (Chris Amon almost never hit >5th) or shift quick (Bandini and Parkes both using lots of upper gear). It >also seemed as though the AI drivers were braking impossibly deep in the >turns. > >Also, does GPL model tire wear at all? I thought I read that it didn't, but >I swear that after one off road excursion (and not using shift-R) that the >car is a lot more susceptible to slipping. As if I've flat-spotted a tire or >something.<g> > >

I've noticed that after a spin or two, it gets a lot easier to spin again. Seems like the tires get hot and lose their grip. >

MK wrote in message ... >Two questions: > >Are the AI racers in GPL worth emulating? I just ran a novice race atMonza,

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>and afterward I reviewed the in cockpit of the other drivers. Either I was >shifting at all the wrong places, or the AI is faking it, or maybe all the >drivers really did drive so totally differently. Even different drivers in >the same cars would sometimes wind it way out (Chris Amon almost never hit >5th) or shift quick (Bandini and Parkes both using lots of upper gear). It >also seemed as though the AI drivers were braking impossibly deep in the >turns. >

They don't use the same physics model as you do. So it isn't really a good thing to try and emulate their driving style. >Also, does GPL model tire wear at all? I thought I read that it didn't, but >I swear that after one off road excursion (and not using shift-R) that the >car is a lot more susceptible to slipping. As if I've flat-spotted a tireor >something.<g> > It doesn't model tire wear, but it does model tire heat. Sjoerd

In article <[email hidden]>, [email hidden] (Power Post 2000) writes:

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>On Fri, 16 Feb 2001 01:19:40 GMT, "MK" <[email hidden]> >wrote: >>Also, does GPL model tire wear at all? I thought I read that it didn't, but >>I swear that after one off road excursion (and not using shift-R) that the >>car is a lot more susceptible to slipping. As if I've flat-spotted a tire or >>something.<g> >> >> > >I've noticed that after a spin or two, it gets a lot easier to spin >again. Seems like the tires get hot and lose their grip.

Maybe you just damaged the car (suspension,...)? Once I had a minor accident during a monza-11-lapper, and afterwards I noticed that my lap times went up by 1 sec. from this point on (didnt feel anything unsusual during driving). GPL Replay Analyser showed a suspension problem in the tech review of the replay.. Calis

That's possible, but it's happened a few times when I didn't hit anything. Sliding off the track then back on it might hurt the suspension, though. On 16 Feb 2001 14:40:06 GMT, [email hidden] (Herbert Pohlai) wrote:

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>In article <[email hidden]>, > [email hidden] (Power Post 2000) writes: >>On Fri, 16 Feb 2001 01:19:40 GMT, "MK" <[email hidden]> >>wrote: > >>>Also, does GPL model tire wear at all? I thought I read that it didn't, but >>>I swear that after one off road excursion (and not using shift-R) that the >>>car is a lot more susceptible to slipping. As if I've flat-spotted a tire or >>>something.<g> >>> >>> >> >>I've noticed that after a spin or two, it gets a lot easier to spin >>again. Seems like the tires get hot and lose their grip. > >Maybe you just damaged the car (suspension,...)? > >Once I had a minor accident during a monza-11-lapper, >and afterwards I noticed that my lap times went up by >1 sec. from this point on (didnt feel anything unsusual during driving). >GPL Replay Analyser showed a suspension problem in the tech review >of the replay.. > > Calis > >

On Fri, 16 Feb 2001 02:14:49 GMT, [email hidden] (Power Post 2000) wrote: >On Fri, 16 Feb 2001 01:19:40 GMT, "MK" <[email hidden]> >wrote: > >>Two questions: >> >>Are the AI racers in GPL worth emulating? They use a simplified version of the physics, so I'd say, no.

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>>Also, does GPL model tire wear at all? I thought I read that it didn't, but >>I swear that after one off road excursion (and not using shift-R) that the >>car is a lot more susceptible to slipping. As if I've flat-spotted a tire or >>something.<g> > >I've noticed that after a spin or two, it gets a lot easier to spin >again. Seems like the tires get hot and lose their grip.

Tire wear is not modeled, since it was nearly not present with the tires those days (too hard). However, tire *temperature* IS modeled, and makes up for a great deal of slippery. Usually, best times will only be possible after a lap or 3 on an averaged-sized track (say, Monza). Ruud van Gaal, GPL Rank +53.25 Pencil art : http://www.marketgraph.nl/gallery/ Car simulation: http://www.marketgraph.nl/gallery/racer/

Straight out of the pits with cold tires will give you fits, too, until they get a little warm. On Fri, 16 Feb 2001 15:51:34 GMT, [email hidden] (Ruud van Gaal) wrote:

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>On Fri, 16 Feb 2001 02:14:49 GMT, [email hidden] (Power Post 2000) >wrote: > >>On Fri, 16 Feb 2001 01:19:40 GMT, "MK" <[email hidden]> >>wrote: >> >>>Two questions: >>> >>>Are the AI racers in GPL worth emulating? > >They use a simplified version of the physics, so I'd say, no. > >>>Also, does GPL model tire wear at all? I thought I read that it didn't, but >>>I swear that after one off road excursion (and not using shift-R) that the >>>car is a lot more susceptible to slipping. As if I've flat-spotted a tire or >>>something.<g> >> >>I've noticed that after a spin or two, it gets a lot easier to spin >>again. Seems like the tires get hot and lose their grip. > >Tire wear is not modeled, since it was nearly not present with the >tires those days (too hard). However, tire *temperature* IS modeled, >and makes up for a great deal of slippery. Usually, best times will >only be possible after a lap or 3 on an averaged-sized track (say, >Monza). > > >Ruud van Gaal, GPL Rank +53.25 >Pencil art : http://www.marketgraph.nl/gallery/ >Car simulation: http://www.marketgraph.nl/gallery/racer/

Herbert, In any of the damage modes (except none) you can damage the suspension...often more easily by sticking the car in the bushes than by slamming into the wall! This usually manifests itself by a pull to one side or the the other, as if you'd bent a tie-rod. --Steve Herbert Pohlai <[email hidden]> wrote in message news:96je46$ge2$[email hidden]... > In article <[email hidden]>, > [email hidden] (Power Post 2000) writes: > >On Fri, 16 Feb 2001 01:19:40 GMT, "MK" <[email hidden]> > >wrote: > > >>Also, does GPL model tire wear at all? I thought I read that it didn't,but > >>I swear that after one off road excursion (and not using shift-R) thatthe > >>car is a lot more susceptible to slipping. As if I've flat-spotted atire or

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> >>something.<g> > >> > >> > > > >I've noticed that after a spin or two, it gets a lot easier to spin > >again. Seems like the tires get hot and lose their grip. > > Maybe you just damaged the car (suspension,...)? > > Once I had a minor accident during a monza-11-lapper, > and afterwards I noticed that my lap times went up by > 1 sec. from this point on (didnt feel anything unsusual during driving). > GPL Replay Analyser showed a suspension problem in the tech review > of the replay.. > > Calis > >

Yeah, but I was using no damage. (ok, i'm a dweeb) Herbert Pohlai <[email hidden]> wrote in message news:96je46$ge2$[email hidden]...

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> >again. Seems like the tires get hot and lose their grip. > > Maybe you just damaged the car (suspension,...)? > > Once I had a minor accident during a monza-11-lapper, > and afterwards I noticed that my lap times went up by > 1 sec. from this point on (didnt feel anything unsusual during driving). > GPL Replay Analyser showed a suspension problem in the tech review > of the replay..