MIguel P Posted September 8, 2007 Share Posted September 8, 2007 Hi guys, This is just a little test I have done today. Particles driven by a fluid simulation and rendered as points http://www.miguelperezsenent.com/Media/Tes...drivenparts.avi Quote Link to comment Share on other sites More sharing options...
altbighead Posted September 8, 2007 Share Posted September 8, 2007 great job.. the movement looks very realistic. Quote Link to comment Share on other sites More sharing options...
michael Posted September 9, 2007 Share Posted September 9, 2007 nice job...feels very natural! Quote Link to comment Share on other sites More sharing options...
ygalula Posted September 9, 2007 Share Posted September 9, 2007 Very nice ! Quote Link to comment Share on other sites More sharing options...
cellchuk Posted September 11, 2007 Share Posted September 11, 2007 nice job. :thumbsup: Quote Link to comment Share on other sites More sharing options...
LEO-oo- Posted September 11, 2007 Share Posted September 11, 2007 Hot! Really nice! Quote Link to comment Share on other sites More sharing options...
slade Posted September 12, 2007 Share Posted September 12, 2007 Very nice!!!! :afro: Quote Link to comment Share on other sites More sharing options...
MIguel P Posted September 19, 2007 Author Share Posted September 19, 2007 (edited) I forgot... here is the scene for anyone interested You will need to write out the vector field and rereading it with the file. Or just plug the point1 into the second input of the popnet. campfire_scene.hipnc Edited September 20, 2007 by MIguel P Quote Link to comment Share on other sites More sharing options...
Ratman Posted September 19, 2007 Share Posted September 19, 2007 Just heads up that the VEX Velocity and VEX Width aren't working for me, it's not loading the v_velocity.vex files Quote Link to comment Share on other sites More sharing options...
MIguel P Posted September 20, 2007 Author Share Posted September 20, 2007 Just heads up that the VEX Velocity and VEX Width aren't working for me, it's not loading the v_velocity.vex files I have edited the post with the same scene using a point sop and an attribcreate insted. Quote Link to comment Share on other sites More sharing options...
ygalula Posted September 20, 2007 Share Posted September 20, 2007 Thanks for the hip file. I found it VERY interesting to go through it. There are at least 3 concepts in it that I haven't seen in the documentation (I might be wrong). (The source relationship, and the particle velocity vector field, Guide Geometry hack) BTW, Is this Guide Geometry HACK the proper / official way to do this? Thanks! Quote Link to comment Share on other sites More sharing options...
MIguel P Posted September 21, 2007 Author Share Posted September 21, 2007 I'm glad you found it instructive I think the source relationship way of emmiting fluids is in various scenes from the help. Moving the particles with a vector field with the attributetransfer is a really useful thing. I don't know if the guide geometry method I used for fluids is the best, but the result is a point cloud with velocity vectors, so I think the method is as good as any other if you are caching the field to disk. Quote Link to comment Share on other sites More sharing options...
rconover Posted November 19, 2007 Share Posted November 19, 2007 (edited) Thanks Miguel this scene is quite useful. Question however-doing the sim of the fluid seems to be a tad problematic for me. As 3d (as the scene loads) frame 17 seems to be quite slow to generate. Making it a 2d Fluid gets further-but it absolutly hung Houdini at frame 71 (this i know - as I left it over the week-end stumped at frame 71). I am using build 9.0.768-how long does it take you to sim in the latest build? Not sure if its my setup or if this scene should be considered *heavy* by design (hope not). -RAL Edited November 19, 2007 by rconover Quote Link to comment Share on other sites More sharing options...
MIguel P Posted November 19, 2007 Author Share Posted November 19, 2007 Thanks Miguel this scene is quite useful.Question however-doing the sim of the fluid seems to be a tad problematic for me. As 3d (as the scene loads) frame 17 seems to be quite slow to generate. Making it a 2d Fluid gets further-but it absolutly hung Houdini at frame 71 (this i know - as I left it over the week-end stumped at frame 71). I am using build 9.0.768-how long does it take you to sim in the latest build? Not sure if its my setup or if this scene should be considered *heavy* by design (hope not). -RAL Hi, I'm glad you like the scene. I had no problems with the simulation. I use a previous build, maybe is a new bug? Quote Link to comment Share on other sites More sharing options...
rconover Posted November 19, 2007 Share Posted November 19, 2007 [quote name='MIguel P Quote Link to comment Share on other sites More sharing options...
rconover Posted November 20, 2007 Share Posted November 20, 2007 Hmm-this may not be working for me (but i`d really like it to). Can you clarify what you mean here?: >You will need to write out the vector field and rereading it with the file. Because this doesn`t seem to be enough in build 9.0.782: >Or just plug the point1 into the second input of the popnet. The particles fire are not being driven by the fluid sim yet even if this is true. Is there something else I need to do the localize the effect on my machine? -thanks again ral Quote Link to comment Share on other sites More sharing options...
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