Is there a way I can find out when two or more metaballs intersect? Via an attribute possibly? I'm trying to do a little procedural rippling (like a little shockwave) when 2 or more metaballs combine. I've got a bunch of separate metaballs (done with a copy sop onto a bunch of points w/ pscale). I scale them all up until it is one big piece of geometry.
Thanks.
metaball intersection feedback
3047 4 3- tettoffensive
- Member
- 14 posts
- Joined: 10月 2011
- Offline
- rafaels
- Member
- 696 posts
- Joined: 3月 2009
- Offline
Hi there,
I'm not 100% sure I can visualize what you're trying to do, but here's a file that might help. Basically, Metaballs describe fields of influence. Using a bit of VOP goodness, you can extract the value of that influence at a (several) given point(s) in space. Since the weight value of a single metaball is known, the rest is math to figure out how many metaballs colide at that point… I think…
Hope it helps
Cheers
I'm not 100% sure I can visualize what you're trying to do, but here's a file that might help. Basically, Metaballs describe fields of influence. Using a bit of VOP goodness, you can extract the value of that influence at a (several) given point(s) in space. Since the weight value of a single metaball is known, the rest is math to figure out how many metaballs colide at that point… I think…
Hope it helps
Cheers
Toronto - ON
My Houdini playground [renderfarm.tumblr.com]
“As technology advances, the rendering time remains constant.”
My Houdini playground [renderfarm.tumblr.com]
“As technology advances, the rendering time remains constant.”
- claudio_101
- Member
- 121 posts
- Joined: 7月 2008
- Offline
Maybe you can use Jeff's old school trick.
http://www.sidefx.com/index.php?option=com_content&task=view&id=1815&Itemid=216 [sidefx.com]
http://www.sidefx.com/index.php?option=com_content&task=view&id=1819&Itemid=216 [sidefx.com]
http://www.sidefx.com/index.php?option=com_content&task=view&id=1815&Itemid=216 [sidefx.com]
http://www.sidefx.com/index.php?option=com_content&task=view&id=1819&Itemid=216 [sidefx.com]
Available for new projects
- tettoffensive
- Member
- 14 posts
- Joined: 10月 2011
- Offline
Rafaels-this should be useful. though i think the math is more complicated since the metaweight depends on how far the point is from the center of each metaball. This may be tricky to figure out.
Claudio-this looks useful too. But I have a ton of metaballs so I'll have to play with it to see how heavy it is.
Thanks.
Claudio-this looks useful too. But I have a ton of metaballs so I'll have to play with it to see how heavy it is.
Thanks.
- claudio_101
- Member
- 121 posts
- Joined: 7月 2008
- Offline
-
- Quick Links