Has anybody else noticed this?

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That when the 'killer car' in a championship starts anywhere but first, it's almost a non-threat? Likewise, if they get to first they often just running away? Examples:

American Championship - The first race at Seattle, I started last and the Panoz opened up about a 5 second lead on the first lap, but I was able to catch him. The third race (at New York) I drove a horrible race and the Panoz ended up passing me on the third lap and opened up like a 15 second lead before the end.

Classic Car Cup - the 427 Cobra would just run away from me (I lost by 20+ seconds on the Ring) but if I started on the pole, I could win by around 7-8 seconds each time.

Blackpool Racers - I could waste this race with my Griffith, Speed 12 included, as long as he didn't get to first. If he started fourth or fifth it was no faster than any of the other cars.
 
ktaylor57
That when the 'killer car' in a championship starts anywhere but first, it's almost a non-threat? Likewise, if they get to first they often just running away?
Yes I did notice that a lot of times. I always figured the AI "qualified" somehow and if the fast car was not on the pole it meant that it's AI driver sucked. I also noted that the a-spec points don't seem to adjust to where the "fast" car is on the grid...
 
More precisely, the fastest car in the field seems to go much faster when you're chasing it than when you're ahead. It's a struggle until you actually overtake, then it just disappears behind you. Great AI routines, PD!
 
Yeah for GT5 I don't even care about the graphics anymore, they definitely have to spend all their time on fixing the AI. They should throw away any AI code they have now and start from scratch, it's so horrible it is beyond repairable.
 
I've noticed the same thing - I'll be inching up at maybe 0.25 sec per checkpoint, then I'll pass the lead car and suddenly it'll be 0.5 sec ~ 1.0 sec per checkpoint. On the BMW M series race, I took a stock M5, which absolutely killed the competition, but I found I could fudge where I wanted the competition's points to go. If I took the lead car and ran him into the dirt (which is very easy to do, fortunately), he'd get passed by the rest of the cars and NEVER gain position, but if I didn't, he'd usually finish several seconds ahead of the competition. They always mess up at the same places - watching the dream car chamionship at infineon in the b-spec race monitor is hilarious - the little "off the track" indicators for all the cars are lighting up like fireworks!
 
smellysocks12
Yeah for GT5 I don't even care about the graphics anymore, they definitely have to spend all their time on fixing the AI. They should throw away any AI code they have now and start from scratch, it's so horrible it is beyond repairable.
Tell me about it! All I want is to be able to have a close, wheel to wheel, non-contact race, but with the dumb AI it's just not possible. It doesn't seem to be able to adapt to your position on the track. Hardly a race goes by that i don't get rammed and it just kills the realism, for me.
 
Have you considered the possibility that it is your emotional state making a lot of these differences, not the AI?

You drive differently when you're chasing and getting close. You go into the turns hotter. You think you can match and beat any move the lead car makes. And it makes you slower.

As soon as the competition is behind you, you start driving your line, not his. And suddenly you're flying.

Pyschology has a big impact on racing.

- Skant
 
Well, compare the AI laptimes. Then you'll notice that when you're in front, the AI is slower than when the AI is in front. It's not just about your emotion, and I think I'm faster when I chase the leader, when I'm in front, I'll take it easy.:)
 
justin_tyme
More precisely, the fastest car in the field seems to go much faster when you're chasing it than when you're ahead. It's a struggle until you actually overtake, then it just disappears behind you. Great AI routines, PD!
There is nothing different from GT3 with this scenario.
It was just as obvious, too.

I also agree that they need to work on what makes a good/great race.

Cheers,

MasterGT
 
justin_tyme
More precisely, the fastest car in the field seems to go much faster when you're chasing it than when you're ahead. It's a struggle until you actually overtake, then it just disappears behind you...

I'm glad you said that.

I thought I was just going mad. The more and more I play the game, the more shocked I am at just how bad the AI really is. I never got into GT3, so I can't really compare it. PD need to sort this for GT5.
 
Rally cars don't come with dirt tires because they're set up for the first rally races in the special condition hall: Tarmac. They're working on the assumption that you complete the hall in order.

-Metz
 
I will agree taht this seems to be the case for most races apart from the first race at Paris Opera in the Dream Car Championship in Extreme Hall.
I qualify first with a 5 second better lap than the A1. I run the race and the 2nd place car is right up my hammer even though my lap times are faster than the qualifying run.
Also found another glitch in the same race. I was in first place on the last lap and 2nd, Nissan 350ZLM, car made a crazy passing move on the left hand on the back straight. I moved accross to block it but he crashed into the fence and I could not see him. You can imagine my frustation when I crossed the line in 2nd place down 26 seconds. The AI must have crashed the thru the barrier and took a short cut to the finish line.
 
stumpydino
one thing that annoys me with gt4, rally cars dont come with dirt tyres :odd: whats up with that?!
that annoys me too
what kind of rally car doesnt come equipped with rally tyres
in gt3 they came with both which was good
 
Metzger28
Rally cars don't come with dirt tires because they're set up for the first rally races in the special condition hall: Tarmac. They're working on the assumption that you complete the hall in order.

-Metz
That makes absolutely no sense, whatsoever.
 
i must admit, i thought for ages that the cpu car did seem to run quicker when i'm chasing than when i'm in front.... but then i realised it was cos i was just driving worse when chasing, when in the lead i relaxed and drove more efficiently

the cpu cars suffer from the same problem as "b" spec.... it can't overtake easily and it slavishly follows the racing line even if there is another car, cpu or human, in the way
 
j8mie
I'm glad you said that.

I thought I was just going mad. The more and more I play the game, the more shocked I am at just how bad the AI really is. I never got into GT3, so I can't really compare it. PD need to sort this for GT5.

Agreed. GT4 is dire from an AI point of view, infact its so bad at times I just wish it was a load of empty tracks and 700+ cars to play with. What amazes me is that it actually went through beta stages and the QC people actually thought that the game AI was acceptable.

And dont even get me started on the sound. Its just awful for 90% of the cars.
 
I've never played a race game with better AI. And I've played a lot of race games. So what games do you think have a better AI then?


Btw... the computer will give you space and avoid hitting your car when you are passing him properly and are where you are supposed to be. Otherwise, it will 'slam the door' on you hard.

If you try to pass it with a dive bomb to the outside, it will punt you off the track. And frankly it has the right to do so.

- Skant
 
Thats why when I try to overtake I usaully do it on the straights and slipstream my way past. Or I usaully try and out brake them and go from the outside of the straight going into the corner and diving onto the apex of the corner. The AI does play by the racing rules that if your not half a car ahead it will fight for the position going into corners. Hence why overtaking on the outside is pointless you loss speed and get hit into the gravel anyway. And I agree with what some1 said about the way you think. When your behind your like "I gotta get in front" and therefore you push and make stupid mistakes, where as when your in front your like "ok I can relax a bit now, I only need to stay on the track to win". The way you think does affect your race.
 
Skant
Have you considered the possibility that it is your emotional state making a lot of these differences, not the AI?

You drive differently when you're chasing and getting close. You go into the turns hotter. You think you can match and beat any move the lead car makes. And it makes you slower.

As soon as the competition is behind you, you start driving your line, not his. And suddenly you're flying.

Pyschology has a big impact on racing.

- Skant

SO true.
 
Someone asked what racing games had better AI. I found Grand Prix 2 and Grand Prix Legends, both on PC, far more rewarding to race against because the AI, though not perfect, was competitive. The AI on GT4 should not be associated with the word intelligence. In fact, I found GT3 better. In identical cars, I found GT3 more challenging, whereas in GT4 when I am racing against an identical car, it's too easy to beat. So I just win as easily as I can to get the cash and prize cars. Oh yeah. And they drive into me a lot, which is annoying, esp. when I brake a bit early and they punt me into the middle of next week.
 
I don't really see the problem. Anybody ever think that maybe the AI is just smarter than you? If you put up a big fight to gain position, obviously you're pushing the car a lot harder, once you gain 1st you think the AI is gonna keep fighting you or you think he'll slow his pace a bit a conserve his tires? It's only makes sense in my opinion.

AI knows if he wants first place back he's gonna have to fight for it, and in the process of that he'll **** himself by wearing his tires down. So why not play it safe, slow the pace and hold onto second?
 
dan0h
Agreed. GT4 is dire from an AI point of view, infact its so bad at times I just wish it was a load of empty tracks and 700+ cars to play with. What amazes me is that it actually went through beta stages and the QC people actually thought that the game AI was acceptable.

And dont even get me started on the sound. Its just awful for 90% of the cars.

Good point. There must be a QI/playing testing phase in development. Some pleb must have said something. Fingers crossed for GT5.

You say about the engine sound quality. And this was never a problem for me, as I am tone deaf when it comes to these things. However, when I drove a SLR Mclaren I knew how it should have sounded. It was such a disapointment to not hear the engine note I knew the car made. Basically it sounds like a Spitfire with a lovely Merlin engine.
 
Here, i reckon i am a below average driver. and i beat AI driving zondas, db9 and stuff in..... toyota glanza [in family cups, difficulty 7 and higher], with no problem.

So where exactly is the AI in this game?
Wouldn't say its saving tires. Or tactically preparing overtaking my glanza in its zonda......

i think that the race for ai cars is kinda run before it happens.
maybe ai cars are just "programmed" to run a line through whole race, with very little space for improvisation.
that would explain why they ram your car = you are in the line they have to follow, they do not try to find another line, just follow the one set.
also, this trick with putting fastest ai in the sand because it will never regain position is very good, and always works. and this car never regains position because it just follows its line.....

just a thought.
 
I wouldn't be so bothered about the AI cars if it weren't for the fact that they can break the laws of phyics i.e. you bump into a car, he hardly budges from the line he is taking. The AI bumps into you, you spin out and eat tyre wall. What's up with that?
 
I've been thinking about this some more. Building on what has been said before, about cars sticking to their racing lines.

And I can remember racing a TVR race at Suzuka East. I had to race it a few times because my Cebera 6 speed could never beat the Cebera 12 speed.

Anyways, I remember once screwing up the start and watching the 5th placed car getting his rear wheels on the grass on the outside of the first corner and watching him slide across the track. Sure enough I did the same thing next time round, and watched a different car do the same thing in the same spot. I thought this might just have been a chance thing. But I can recall seeing other cars doing the same thing on this corner in exact same place.

Either one of two things are happening here...
1 - Every car uses a set racing line, which has been positioned too close to the edge of the track and rwd cars catch the grass and slide.
2 - PD have put in scripted events to make the racing feel "more real". For example cars go in too fast and run wide and spin in a certain corner. This is a bit of a cop out if this is the case, and PD need to spend time working on their AI instead of adding another 200 cars for GT5.

Sorry to b1tch and moan about GT4, but we'll have to wait another 4 years before we get GT5 on PS3. This game should provide a decent challenge until the next version comes out.
 
smellysocks12
Yeah for GT5 I don't even care about the graphics anymore, they definitely have to spend all their time on fixing the AI. They should throw away any AI code they have now and start from scratch, it's so horrible it is beyond repairable.

Very true. The Artificial 'Intelligence' (and that's being flattering) really does let the game down.

I can't tell the difference between the AI in GT3 and GT4. Ok, maybe ONCE in the game have I seen the AI cars reacts slightly realistically - in the Skyline GT-R slipstream race in Driving Missions. But that is just not good enough PD!

And yeah, the sound needs work. Especially from the 'roof-cam' view: Most cars sound quite similar in the fact that the whining transmission noise just gets too overwhelming. The 'chase-cam' is probably the best sounding view - but I don't use that view, and neither do thousands of other gamers, PD!!!

Also, still on sound, what's wrong with a little wastegate/blow-off valve noise when you lift off the throttle or change gear in a turbocharged car? Some might say it's a bit unrealistic, but I wouldn't.

If any of you Brits saw 'Fifth Gear' a week or so ago, with Tiff Needel driving the remapped Lotus Esprit V8 twin turbo, you'll remember the awesome noise the wastegates and recirculating valves made on the overrun. So I went and bought one in GT4, and does it make the same noise..................????

Of course not.

Although the V8 rumble on tickover is quite accurate!
 
Someone asked what racing games had better AI. I found Grand Prix 2 and Grand Prix Legends, both on PC, far more rewarding to race against because the AI, though not perfect, was competitive. The AI on GT4 should not be associated with the word intelligence. In fact, I found GT3 better. In identical cars, I found GT3 more challenging, whereas in GT4 when I am racing against an identical car, it's too easy to beat. So I just win as easily as I can to get the cash and prize cars. Oh yeah. And they drive into me a lot, which is annoying, esp. when I brake a bit early and they punt me into the middle of next week.

Haven't played those games, so I can't comment on whether they're better AI or not. I certainly believe that better AI is possible. My point is just that better AI is not at all easy and the AI in most racing games is much worse than GT4, not better. Indeed, in many of them the AI cars are actually impossible to pry from their preset courses... essentually having no intelligence at all and just replaying a fixed line.

As far as comparing AI to GT3... the AI has never been good enough to beat a good driver in an equivalent car. That's no surprise. I'm not sure if it's even intended to. It may be stunted a little on purpose so as to not make players feel bad about themselves.

Also... the AI does have different difficulty levels depending on what event you're running. And the AI drives some cars much better than others. And the AI drives some tracks much better than others. So the setup really does strongly affect how easy the identical car will be to beat.

I see a lot of folks on these forums using the B spec AI driver as a totally impartial judge on the theory that the AI's performance is pretty flat and predictable across the board. But, the AI actually has strengths and weaknesses much like any human driver does. It's just pretty consistent about repeating its mistakes.


I wouldn't be so bothered about the AI cars if it weren't for the fact that they can break the laws of phyics i.e. you bump into a car, he hardly budges from the line he is taking. The AI bumps into you, you spin out and eat tyre wall. What's up with that?

As far as I can tell, the AI cars don't break physics when they're bumped. They don't panic. They have faster reaction times. And they're generally better at recovering the balance of the car than you are. Because they're actually quite intelligent in some ways.

I can recover from the same bumps they do, so long as I saw it coming. When I'm surprised, there's a moment of shock.. and then it's too late. They don't get surprised.


Here, i reckon i am a below average driver. and i beat AI driving zondas, db9 and stuff in..... toyota glanza [in family cups, difficulty 7 and higher], with no problem.

So where exactly is the AI in this game?

That's not a stock Glanza. Now, in the family cups and arcade mode, it uses the difficulty level to select opponent cars. The formula seems to be each difficulty point equals 20 A-spec points. So difficulty 5 should be trying for a 100 A-spec point race.

The thing is... all the cars it chooses from are stock and running on the same tires you are. And if you're selecting one of the fastest cars in the game or using a maxed out modified car, it can easily not have any cars to pit against you that can provide the requested level of challenge. That's why you can set higher and higher difficulty in that case, and the races don't actually get any harder. It's not a true difficulty 7 unless it says circa 140 A-spec points at the start of the race. If you select 7, and it says 1 A-spec point... well... sorry, but it has no cars that can challenge your car.

Note that it will never pit a race car against a normal car. Even in cases where a maxed out normal car is fast enough to challenge full race cars.


also, this trick with putting fastest ai in the sand because it will never regain position is very good, and always works. and this car never regains position because it just follows its line.....

Well, I guess it's clear why you folks think the AI is so easy to beat. Yes, it's extremely easy to win in RL or VR by just punting your opponents off the track from behind. That's why they hand out black flags in RL.

The AI does not try to punt you on purpose. It will slow down to avoid rear ending you as long as you're not driving like a clown.

There is a skill to passing properly. And there is a skill to being passed. Most GT players don't have these skills. They haven't tried to develop them at all. And they think the AI is ramming them on purpose, when they're the ones who are actually at fault. This is the very reason why sanctioned race organizations require race licenses in RL. You have to prove to them that you know how to pass and be passed safely. That's really the point of the license. If you toss an untrained driver out there, he's going to cause a crash every time someone tries to pass him. And he'll think it's their fault, too.


You say about the engine sound quality. And this was never a problem for me, as I am tone deaf when it comes to these things. However, when I drove a SLR Mclaren I knew how it should have sounded. It was such a disapointment to not hear the engine note I knew the car made. Basically it sounds like a Spitfire with a lovely Merlin engine

Couldn't agree with you more. The engine sounds in the GT series have always been just this side of pathetic. Clearly, it's not an area where much effort has been expended. If there was only one thing that was improved in GT5, I would like it to be the engine sounds.

Some cars are much worse than others. Their whole line of Corvettes sound like 4 cylinder japanese cars. The C5R sounds like a whiney like school girl who lost her hello kitty... when the real car has a booming bassy growl and hardly any high pitched components to it at all.

Many of the Japanese sports cars sound pretty close to real though.

Methinks the developers at PD just haven't had much exposure to cars outside of Japan. Which shouldn't be at all surprising.

- Skant
 
Skant
Methinks the developers at PD just haven't had much exposure to cars outside of Japan. Which shouldn't be at all surprising.

A well shared and totally truthful opinion. If only PD would listen to the gamers! :guilty:
 
Only way I can get a good challenge is to go to Family cup level 10 in an underpowered car. Same scenario from GT3. 73' BMW 2002 on R1 tires takes on the Zonda, VW12, Audi Quattro Le Mans etc. Pretty good challenge but I find it getting easier and easier with every race. If PD makes the AI take preset lines they may as well be replays from real drivers, like in the license tests, with a few minor alterations. Now that would be a good challenge. 👍
 
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