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nate.usiak

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nate.usiak last won the day on January 16 2014

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    Nate
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  1. There are many ways to get particle velocity. For instance you could bring them into a dop using field force dop with a sop vector field dop.
  2. Thank you all for the comments. I'm going to jump into doing this with a total volume approach soon. Did not notice any of the comments until just the other day.
  3. Hey all, I have been having issues with deleting dead particles in a GEO_PrimParticle system. I will refer to the SOP_SParticle.C example file. When using this node as the particles reach the end of their life they are marked for deletion by use of deadParticle(). All of these marked particles are then deleted by deleteDead(). The issue I have run into is that this only deletes the vertex not the point. The points still show up in the viewport and just stop moving. I am trying to figure out how the points and verticies can be deleted. I have been searching and trying to figure this out for a bit now so I am posting on here because I have been unable to figure it out. Any help or suggestions would be greatly appreciated. Thank you much. -Nate I am cross posting on SideFx forum: http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&p=129356#129356
  4. Just noticed I had a small typo in the Vel dir on curve menu so I fixed that real quick. Here is the tool as of now. NU_VelFromCurve.otl
  5. After reworking the tool in Vops I am very pleased with how much faster it is cooking. I am instead within the Vopssop taking normal tangents and displacing the points along those vectors which in turn gives me more control. I still of course welcome any feedback, suggestions or critique. Thank you. I have not posted any more tests yet but a screen cap of the tool use found here: https://vimeo.com/55833089
  6. Thank you Adrien Bloomendale - Thank you, that is really helpful. I'm trying to rework it in Vops now and I think it will end up working out much better and faster I will post back when I get more put together.
  7. Hello all, this is my first time posting on here so greetings. This is a cross post also on the Houdini forums here: http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=27451 I have been working on a tool that takes an input curve and adds velocity to it for use in a Pyro sim (also FLIP but first getting it to work with Pyro). I have been working on this tool to help give the artist an easy way to direct a Pyro sim along a curve. Here is an example of how it is currently working: https://vimeo.com/55189800 Here is a screen cap of how I have implemented the use of the tool: https://vimeo.com/55238678 I'm also including my otl and an example file. I would like any feedback as to ways to improve the tool or other/better ways of accomplishing similar effects. I greatly appreciate it. Thank you much. example.hipnc NU_curveToVel.otl
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