Re: Robot challenge -Reply
On Thu, 5 Nov 1998 11:39:12 -0600, Jay Turley <jturley at MDC.COM> wrote:
>Irv-
>
>A few more specs would be useful... How may sensors does the robot
>have?
I leave that up to the coder.
> What can they detect?
Imminent collision with the wall - minimum. Don't trash the wall
when colliding. Also helpful if they could detect collision
with another 'bot (for later bot wars)
>Can we assume helper functions, like:
>wall() - returns True if position is "on" wall, False otherwise
>green() - returns True if on green square, False otherwise
>red() - returns True if on red square, False otherwise
Sounds like a reasonable start.
>Also, what length do the sensors go out to? One pixel? Ten pixels?
>what kind of movement functions does the robot have? And how far do
>they move it?
Again, up to the coder. Do you go for simple and fast, (head banger)
or complex and slow (chess master) mode?
>Assuming one forward-looking sensor with a range of one pixel, the
>helper functions above, and a move function that moves forward one
>pixel, and turn functions that turn x degrees clockwise, a simple
>algorithm would be:
>
>while !red() do
> forward()
> if wall() then
> turn(180)
> forward()
> turn(270)
> end if
>end while
Oh. I forgot to add, we need to see the bot moving on screen -
maybe a nice circle would be enough - some color other than
yellow/red/green. Get fancy if you wish. I realize that if
your algorithm is good, the bot will move so fast it will
be hard to see. Might be interesting, tho, to stick in a
time delay to see how it works.
Naturally we'll include a timer at the call and at the exit
of the 'bot routine, and time them all on the same pc.
Regards,
Irv
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