Le Mans Ultimate

Le Mans Ultimate

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bow Feb 14 @ 8:56am
Ki/ai ignored Blue flags
Hello Guys,
why is the ai bump into me after blueflag overtake. i cant understand in every game the ai ignores the blue flags. my ai stengh is 97% how can i fix the crazy movements on blue flags on the ai.

the problem that i see, is ai ignores blueflag pls

pls fix it, or can i fix it by myself with ai aggression?
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Showing 1-9 of 9 comments
DC2Dixon Feb 14 @ 10:23am 
Blue flags are simply a warning a faster car is coming up behind. It's up to the lapping car to pass safely, not lapped car move of racing line and slow down etc.

Not saying they might not be hitting you (don't have that issue myself) but they have no obligation to do anything different.
shadow82 Feb 14 @ 12:04pm 
Originally posted by DC2Dixon:
Blue flags are simply a warning a faster car is coming up behind.

You miss the point entirely, no, a blue flag cars don't have to move away, but it doesn't mean they can then hit you next corner. And yes I already had that issue as well and it is so infuriating.
Originally posted by bow:
pls fix it, or can i fix it by myself with ai aggression?

It can be improved to an extent with the aggression slider. I keep mine around 65-70%. Right now the AI programming just has them act the same regardless of blue flag conditions. So you'll have to pass them as if you're actually racing them for position. Lowering the aggression can help you with being able to bully them out of corners a little bit more though.
DC2Dixon Feb 14 @ 2:34pm 
Originally posted by shadow82:
Originally posted by DC2Dixon:
Blue flags are simply a warning a faster car is coming up behind.

You miss the point entirely, no, a blue flag cars don't have to move away, but it doesn't mean they can then hit you next corner. And yes I already had that issue as well and it is so infuriating.
How missed the point if I said they might be hitting OP?

Most simply watch F1 and expect cars to jump out of way (been posted in this forum before) which they don't have to do. Yes there are issues with any AI but they don't ignore blue flags.
s4br3 Feb 14 @ 4:01pm 
The AI in Coop is the hardest crap! They fight very aggressive when you overlap them, they crash into you and they stay hardly on the racingline.
Originally posted by DC2Dixon:
Blue flags are simply a warning a faster car is coming up behind. It's up to the lapping car to pass safely, not lapped car move of racing line and slow down etc.

Not saying they might not be hitting you (don't have that issue myself) but they have no obligation to do anything different.

What you wrote is completely wrong. Unfortunately, you have not understood the rules.

Here is an excerpt from the official FIA rules:

This flag informs a driver that a faster car is approaching and that the driver should move aside to allow one or more faster cars to overtake. During a race, this flag is usually only shown to a driver who is being lapped, but during practice or qualifying laps, it can be shown to any driver. In the WEC, drivers are severely penalized for not yielding or for impeding the lead, including being forced to pit for the remainder of the race.
The solid blue flag is shown when a faster car is approaching, the blue flag is waved when the faster car is about to overtake.

How you can avoid being affected by this is beyond me. The AI ​​completely ignores blue flags. It's really frustrating.
The slower car should move out of the way when it is safe to do so. They aren't required to hit the brakes immediately or weave suddenly out of the way, or sacrifice their driving line. The best thing slower cars can do is stay on their driving line, but lift a little on long straights, tuck in behind faster cars before heading into a corner (if the faster class won't hold them up in the corner), stay on the chosen line after a corner, and be as predictable as possible.

There are nuances heading into corners of course, since GT3s/GTEs are faster through turns than LMPs and HYPs.

In real life racing, it's little bit of a dance. The slower cars need to let faster classes by without sacrificing too much of their own lap times, and the faster cars should be anticipating where the slower cars will go while making their moves accordingly.

A lot of times, it's in the slower cars' best interest to let the faster classes by as soon as possible and tuck in behind them to take advantage of whatever draft they can.
Last edited by FaultyJawa; Feb 15 @ 9:22am
Originally posted by FaultyJawa:
The slower car should move out of the way when it is safe to do so. They aren't required to hit the brakes immediately or weave suddenly out of the way, or sacrifice their driving line. The best thing slower cars can do is stay on their driving line, but lift a little on long straights, tuck in behind faster cars before heading into a corner (if the faster class won't hold them up in the corner), stay on the chosen line after a corner, and be as predictable as possible.

There are nuances heading into corners of course, since GT3s/GTEs are faster through turns than LMPs and HYPs.

In real life racing, it's little bit of a dance. The slower cars need to let faster classes by without sacrificing too much of their own lap times, and the faster cars should be anticipating where the slower cars will go while making their moves accordingly.

A lot of times, it's in the slower cars' best interest to let the faster classes by as soon as possible and tuck in behind them to take advantage of whatever draft they can.

Best explanation I've heard is WEC cars shown the blue flag adopt the 'we're not racing them' attitude for the car/s passing them. As in F1 when backmarkers have overqualified too far up the grid and natural pace is realigning, they'll let faster cars pass them by simply not racing quite as hard*. A Williams battling a Mercedes does nothing but burn up tires and put both drivers at risk of damage. Which is not to say the Williams just pulls over. Maybe they brake a bit earlier, take a less aggressive line out of a corner, etc.

In WEC and IMSA it's dangerous for any driver to suddenly or randomly leave the line, particularly with the closing speed of HYP. Best solution is for all cars to hold the correct racing line, and overclass cars pass as they would pass a back marker of their own class, with all drivers putting the cars where they would logically and safely be. As far as any overclass car being entitled to a pass or a position, if a HYP has damage and can't hold pace there's no reason a GT3 couldn't take back a position or a lap if they're faster.

Whether S397 has found a way to code this accurately, I have no idea. My take on AI drivers is they're good except when they aren't. I see weird overbraking, and cars turning into the apex as I'm already on it, half a car length ahead of them. Not the worst AI, but it could do with some adjusting.

* I know, I know, final 10 laps or so of an F1 race when there's massive field spread and very little traffic, lapped cars shown the blue will pull _way_ over, similar to qualifying when they're trying not to impede. This is unique to F1. Every other type of racing recognizes all drivers are allowed to race for position at all times if they keep it clean.
Aysedasi Feb 15 @ 4:32pm 
We may not have agreed on much over the weeks and months, but I can certainly agree with this, the second paragraph in particular.
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Date Posted: Feb 14 @ 8:56am
Posts: 9