[gameprogrammer] RES: Re: Math and Game question

Hi, Alan!

I did it all, my problem now is just to know the angle between its current
direction and the next check point direction. I think my question is pretty
much about math than anything else.

Thanks a lot,
Dirso

Atenciosamente,
 
Edilson Vasconcelos de Melo Junior
Diretor de Projetos - JR Softwares
dirso@xxxxxxxxxxxxxxxxxx
dirsow@xxxxxxxxx
(19) 3243-4403 / 3213-7357 / 9213-5245
-----Mensagem original-----
De: gameprogrammer-bounce@xxxxxxxxxxxxx
[mailto:gameprogrammer-bounce@xxxxxxxxxxxxx] Em nome de Alan Wolfe
Enviada em: segunda-feira, 15 de janeiro de 2007 03:21
Para: gameprogrammer@xxxxxxxxxxxxx
Assunto: [gameprogrammer] Re: Math and Game question

one way would be to give each checkpoint a number in a sequence and
store which checkpoint the AI car needs to head to next.

For instance, at first it would have to drive to check point 0 from
the starting line.

Once it gets to checkpoint 0 it would head towards checkpoint 1 then
checkpoint 2 and so on.

You would want to make sure and put enough checkpoints so that the AI
car never had to figure out how to make a difficult turn itself, you
would make sure and have  multiple checkpoints going around an S curve
for example so that the AI car is always just trying to get to the
next checkpoint.



On 1/13/07, Edilson Vasconcelos de Melo Junior <dirso@xxxxxxxxxxxxxxxxxx>
wrote:
>
>
>
> Hi,
>
>
>
> I'm still working on my racing game and now I'm planning the (pseudo)AI.
>
>
>
> That's what I have:
>
> 1)       10 check points (places) – each check is a rectangle defined by
two
> points (yes, just two points to make it easier, and when I combine its
> values – x, y and z, I have check point)
>
> 2)       I run the race alone and store my car's position, orientation and
> speed, once per 100 frames. (about 50 times per lap). I record the first
and
> the last frames of the lap. So I have information for one complete lap
>
>
>
> Now what I wanna know is how could I check the AI current position and
with
> the given data (check points and store position/orientation/speed) make
the
> it keep moving in the right direction.
>
> Note: Every check I'd do I should tell the IA car some drive commands like
> (LEFT, RIGHT, THROTTLE, BREAK) and not "change" anything, just send the
> drive commands.
>
>
>
> Any ideas? Is this a math/quaternions question?
>
>
>
> Thanks a lot,
>
> Dirso.
>
>
> --
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> 14:04
>

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