[Sidefx-houdini-list] DOP Impact

Edmond Earl Smith ees041000 at utdallas.edu
Tue Jan 8 14:29:16 EST 2008


Thanks a lot!


Gene Dreitser wrote:


>You could try a switch sop to switch between a null and a point to copy 
the metaball onto -- driving that with the record count of the impacts 
data.
>
>Since the impacts are transitional, the data won't exist for every 
frame, thus, when it exists, copy metaballs to points, and when it 
doesn't, copy to null.
>
>Best,
>
>Gene
>
>----- Original Message ----
>From: Edmond Earl Smith <ees041000 at utdallas.edu>
>To: sidefx-houdini-list at sidefx.com
>Sent: Tuesday, January 8, 2008 2:05:36 PM
>Subject: [Sidefx-houdini-list] DOP Impact
>
>
>Hey everyone, I'm referencing dynamic collision in SOPS.  Something 
>bounces off of a wall and continues to fall to the ground.  I am 
>referencing the RBD motion in SOPS and assigning it to a metaball so I 
>can use a magnet to deform the wall.  The problem is I can't figure out
> 
>how to keep the metaball from continuing to follow the meta after 
>impact.  I need the meta to stop at that precise location. I've tried a
> 
>number of different solutions but what it has really come down to is 
>that I need a record of impact and location but these only last for one
> 
>frame.  Any suggestions on how to keep the impact data or different 
>ideas of how to get the deforming meta to stop at impact leaving the 
>wall dented for the rest of time?
>
>thanks,
>Eddie
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