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  • Posts

    • Hey guys.    how can I control vel like this picture? I used minpos but particles stick to the surface and my work hasn't 3d dimension. I need to add a random speed, direction, and noise to the particles and have dimension.  my particles move is very flat.    _Hole.hip
    • For clustering use glue constraint. I dont know what you are doing in sim that it struggle on 200k, I simmed 30mil of the snow 3 minutes per frame. For vellum you need GPU, any GPU from 1080 will dexcrease frame sim time twice or more.  For adjusting its substeps, constraint iterations, friction and attraction
    • Thank you, it is really helpful.
    • Meshing point clouds does not seem to be the hottest topic for Houdini users, but it's cool the developer has been adding tools here and there. The new Point Cloud Surface SOP builds a mesh, but if the surface is not fully enclosed it connects the open surfaces with bubbles. I assume under the hood the SOP is using poisson surface reconstruction. Houdini, as far as I can tell does not yet provide any way to trim away this bubbled surface, nor does the SOP output any data on the 'quality' of the reconstructed mesh. I just wanted to see if anyone had a solution to this problem at the moment. Did I miss something? Trimming a poisson reconstructed mesh is trivial normally, so hopefully they will add the feature in the future.
    • Hi, I would like to know how to achieve and animate something like this in the first video https://www.behance.net/gallery/175765483/LOEHR-x-Spot-Studio? (Screenshot of what I am talking about below) In regard to 1/ which grain properties to adjust 2/ How to achieve clustering some grains as you can see on top - are these separate vellum grain objects set to different seperation rates? 3/ Would be nice to know how you guys go on about optimizing your grain sims.. I run an 12core i9 and it is struggling even with 200K points Much appreciated.
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