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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
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"Reusser" <reu### [at] chorus net> 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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Reusser wrote:
>
> 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.
> [...]
You cannot select specific group combinations to test for collisions but
note that in your example there is no reason why a certain combination of
groups should be unnecessary to test - every mass could collide with every
other under certain circumstances.
Christoph
--
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 31 Dec. 2002 _____./\/^>_*_<^\/\.______
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