tamagochy Posted March 12 Share Posted March 12 Spent some time to make vellum snow simulation and Karma XPU render. Reflection volume pas Karma CPU. 3 Quote Link to comment Share on other sites More sharing options...
StephaneS Posted March 13 Share Posted March 13 Nice work ! Quote Link to comment Share on other sites More sharing options...
tamagochy Posted April 17 Author Share Posted April 17 Change simulation settings 2 Quote Link to comment Share on other sites More sharing options...
CARLOS ARANGO Posted April 20 Share Posted April 20 (edited) Looking sweet!, would you please share a breakdown of the process a bit more? I am working on a similar scene, and I'm struggling to get the proper shader effect for the snow and I want to render with Karma XPU and CPU Your snow and specular is looking great. I'll greatly appreciate it. Edited April 23 by CARLOS ARANGO Upgrade Quality on Sample motion clip Quote Link to comment Share on other sites More sharing options...
tamagochy Posted April 22 Author Share Posted April 22 For volume I used simple karma pyroshader and render this pass in karma xpu. For reflections, i cant found solution for XPU yet so I use karma CPU with combination of two pbrreflect one for overal reflection and one for specle. Also I convert volume to mesh for it. For specle I use voronoi noise and samplesphere to randomize normal direction Quote Link to comment Share on other sites More sharing options...
tamagochy Posted April 22 Author Share Posted April 22 In karma CPU you can use one shader for snow and use grad field instead normals Quote Link to comment Share on other sites More sharing options...
CARLOS ARANGO Posted April 23 Share Posted April 23 Man, this is awesome, thanks a lot for the quick tutorial, I'll test it out! Quote Link to comment Share on other sites More sharing options...
cudarsjanis Posted November 5 Share Posted November 5 On 4/17/2024 at 3:02 PM, tamagochy said: Change simulation settings This is looking cool! Any tips on how you got that nice snow sim look with vellum as it gets muddy sometimes. Cheers Quote Link to comment Share on other sites More sharing options...
tamagochy Posted November 5 Author Share Posted November 5 Well, play with friction, attraction weight and point mass until you find nice look. And I think point mass play main role in all of this ) 1 Quote Link to comment Share on other sites More sharing options...
cudarsjanis Posted November 14 Share Posted November 14 On 11/5/2024 at 10:08 AM, tamagochy said: Well, play with friction, attraction weight and point mass until you find nice look. And I think point mass play main role in all of this ) Thanks, Yeah I have masks for attraction weight and using shape match on top of that. Haven't played around with mass too much so will give that a go. Any chance you could put that scene on gumroad? Could grab it then for some $. Thank you Quote Link to comment Share on other sites More sharing options...
tamagochy Posted November 14 Author Share Posted November 14 1 hour ago, cudarsjanis said: Thanks, Yeah I have masks for attraction weight and using shape match on top of that. Haven't played around with mass too much so will give that a go. Any chance you could put that scene on gumroad? Could grab it then for some $. Thank you Well, I'm thinking about put it to gumroad. But with recent release of the MPM solver I think it will be better for snow sims. I didnt check it just saw presentation videos ) Quote Link to comment Share on other sites More sharing options...
cudarsjanis Posted November 14 Share Posted November 14 2 hours ago, tamagochy said: Well, I'm thinking about put it to gumroad. But with recent release of the MPM solver I think it will be better for snow sims. I didnt check it just saw presentation videos ) There's pros and cons as for everything, so I think Vellum approach is gonna be around for a while. Haven't tried MPM myself yet though. Let me know when that script drops on gumroad. I'll check it out then. Cheers Quote Link to comment Share on other sites More sharing options...
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