Re: [simspark-devel] New version of the simulator

[Sander v. D. <sgv...@gm...>]

Hey all,

I have committed the extended rules. The way they work:

- 'touch groups' are created. A touch group is a group of agents that touch
each other (either directly, or through other agents in the same touch
group). These are similar to ODE's 'islands'.
- If an agent is in a touch group with more than 2 agents (including
himself), and he wasn't in a group the timestep before, which means he is
the last to join the group, he is relocated outside of the field.
- If it is not clear which agent joined the group last, e.g. when 3 players
were all separate at time t, but were all touching each other in time t + 1,
an agent is chosen at random.

This seems to work well enough, though two things I am not sure about:

- Relocating the agents completely outside of the field fits the other
rules, may be a bit harsh? Perhaps just beaming them FreeKickDist meters
away would be enough. Although that could be a beneficial/defensive
position.
- The way it currently works, agents will not be relocated when several
touch groups join, e.g there are 2 touch groups of two, that in the next
timestep form a touch group of 4. However, I am not able to produce such a
situation and think it will be really unlikely. Also, I don't have a good
intuition which agent to throw away in such a case anyway.

Sander
On Mon, Mar 21, 2011 at 3:40 PM, Hedayat Vatankhah <hed...@gm...>wrote:

>  Hi Sander,
> Thank you for the reminder :P. I'll try to do some tests in the mean time.
>
> Thanks
> Hedayat
>
>  *Sander van Dijk <sgv...@gm...> <sgv...@gm...>* wrote on
> 03/21/2011 8:15:30 AM +0350:
>
> Hey, to keep you posted, I am implementing a new touching rule as we have
> discussed: if 2 are touching and a third joins, he is moved away. I think I
> have a working setup for this, just fighting with boost 'smart' pointers
> (apparently smarter than I am). Hope to have a working version in the
> repository tomorrow.
>
>  Sander
>
> On Sat, Mar 19, 2011 at 6:41 AM, Hedayat Vatankhah <hed...@gm...>wrote:
>
>>  Hi all,
>> We should release a new version of simspark/rcssserver3d very soon. Please
>> check the latest SVN and let us know if there are any problems. It'd be nice
>> if you can test with the multi-threaded ODE prepared by Sander.
>>
>> Thanks
>> Hedayat
>>
>>
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>
>
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> Adaptive Systems Research Group
> Department of Computer Science
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>
>


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Adaptive Systems Research Group
Department of Computer Science
University of Hertfordshire
United Kingdom