"Reusser" <reu### [at] chorusnet> wrote in message
news:010220032308304500%reu### [at] chorusnet...
>    I read the fine manual regarding mechsim, but couldn't find an
> obvious way to do what I want to do.  Is there a way to specify
*which*
> groups to collide?  Using collision type 2, it will only test for
> collisions between elements of different groups, but this still means
a
> lot of collisions when there are a fair amount of groups.
>    This may be a little bit confusing, but the basic setup is a lot of
> layers of spheres - like below only in three dimensions.  The only
> relevant collisions are between the different groups A-E, but I don't
> want it to test A-B, A-C, A-D, A-E, B-C, etc...  All that is necessary
> is the collision between adjacent groups.  Hope I made myself clear.
> Thanks in advance.
>
> A B C D E
> * * * * *
> * * * * *
> * * * * *
> * * * * *
> * * * * *
>
>  - Ricky


I think this is along the same lines as my question in p.b.a

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