mmelantonio Posted April 14, 2020 Share Posted April 14, 2020 Hey Guys! I'm trying to find a way to interact Vellum Grains with curves using Vellum Hair/Cloth. Attached you can find a test scene where you can see an simple example. In this example there is a switch node with three different setups: 1) Hair 2) Grains 3) Cloth My goal is to have both interacting with other, in a mutual setup. But only grains seems to work... But not as I expect, cause I'd like to have a stiffer line behaviour. I know hair can give us this, but how to make them interact? Thanks a lot! Cheers. grains_interaction_test.hiplc Quote Link to comment Share on other sites More sharing options...
Noobini Posted April 14, 2020 Share Posted April 14, 2020 I'm thinking hair doesn't have a 'volume' to collide with grains object ? just a hunch. A piece of cloth might work since it has a surface to collide with...but string/hair....hmmm...where's the volume. Quote Link to comment Share on other sites More sharing options...
Noobini Posted April 14, 2020 Share Posted April 14, 2020 here's some experiments: 01) switch 0, Cloth...works 02) switch 1, grains...works 03) switch 2 (with copy disabled), hair...not work 04) then stupid me trynna be smart and see if I could fake some width...enable the copy, you'll see in vellumglue3 there's a whole bunch of crosslinks.....!!!....not work..... threw hands up in in the air.....expletives expletives...walked away.... vu_GrainsandHair.hiplc Quote Link to comment Share on other sites More sharing options...
mmelantonio Posted April 14, 2020 Author Share Posted April 14, 2020 3 hours ago, Noobini said: I'm thinking hair doesn't have a 'volume' to collide with grains object ? just a hunch. A piece of cloth might work since it has a surface to collide with...but string/hair....hmmm...where's the volume. Since hair has a thickness attribute based on pscale too... I don't think this can be the problem. Quote Link to comment Share on other sites More sharing options...
Noobini Posted April 14, 2020 Share Posted April 14, 2020 2 minutes ago, mmelantonio said: Since hair has a thickness attribute based on pscale too... I don't think this can be the problem. yes to the rest of the world...but not to grains. Hair works fine with others as we've seen all over. Quote Link to comment Share on other sites More sharing options...
mmelantonio Posted April 14, 2020 Author Share Posted April 14, 2020 2 hours ago, Noobini said: here's some experiments: 01) switch 0, Cloth...works 02) switch 1, grains...works 03) switch 2 (with copy disabled), hair...not work 04) then stupid me trynna be smart and see if I could fake some width...enable the copy, you'll see in vellumglue3 there's a whole bunch of crosslinks.....!!!....not work..... threw hands up in in the air.....expletives expletives...walked away.... Ahahahaha. Thanks for sharing the felling. Quote Link to comment Share on other sites More sharing options...
mmelantonio Posted April 14, 2020 Author Share Posted April 14, 2020 2 minutes ago, Noobini said: yes to the rest of the world...but not to grains. Hair works fine with others as we've seen all over. Hey Noobini. Thanks for replying again! Agree that with grains doesn't seems to work... Other situation that I was trying to interact with Vellum Grains without sucess is RBD. For example if we wanna put some rock to interact in the middle of a grain simulation. A way that I found is to constraint some of the grains to be solid, but the problem is if you want to use a specific instance geometry. If someone know a way how to make it work would be great to know. Quote Link to comment Share on other sites More sharing options...
Noobini Posted April 14, 2020 Share Posted April 14, 2020 dunno the exact scenario you're after but here's one with RBD and vellum grains vu_AttackSpongeBob.hiplc Quote Link to comment Share on other sites More sharing options...
mmelantonio Posted April 14, 2020 Author Share Posted April 14, 2020 6 hours ago, Noobini said: dunno the exact scenario you're after but here's one with RBD and vellum grains The problem with this aproach is that is not mutual, as I explained. You are only using the RBD already simulated to collide with the grains. Quote Link to comment Share on other sites More sharing options...
Noobini Posted April 14, 2020 Share Posted April 14, 2020 9 hours ago, mmelantonio said: The problem with this aproach is that is not mutual, as I explained. You are only using the RBD already simulated to collide with the grains. oh yeah, you're correct. Quote Link to comment Share on other sites More sharing options...
anim Posted May 6, 2020 Share Posted May 6, 2020 here is one simple hack you can do, with some possible downsides Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.