Houdini 16 Unreal Fluid Vertex Anim help

Forums Technical Discussion Houdini 16 Unreal Fluid Vertex Anim help

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stronglikebool: Member; 28 posts; Joined: Sept. 2008; Offline

Feb. 26, 2017 5:13 a.m.

Hi there, I Have exported my fluid sim with 1000 poly count target and 4k texture. The result I get looks like the attached. If I lower the poly count enough, I will start to get a coherent sim. Anyone run into a similar issue?

Attachments:
udkfluid.png (480.4 KB)

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stronglikebool: Member; 28 posts; Joined: Sept. 2008; Offline

Feb. 27, 2017 5:58 a.m.

I made my own version similar to the tool using COPs. I believe this is faster and a more elegant solution, especially with the ability to use inline cpp. Maybe a future version of the shelf tool can utilize cops for this.

Edited by stronglikebool - Feb. 28, 2017 03:04:39

Attachments:
jb_vtx_anim.PNG (258.1 KB)

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stronglikebool: Member; 28 posts; Joined: Sept. 2008; Offline

Feb. 28, 2017 12:11 a.m.

By the way, there is a box under the mesh in unreal after you import. The box is “Use Full Precision UVs”. You definitely want that on!

Edited by stronglikebool - Feb. 28, 2017 00:18:34

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lkruel: Member; 240 posts; Joined: Nov. 2012; Offline

March 10, 2017 3:23 p.m.

Hi mightcouldb1,

Sorry I didn't reply to this sooner, GDC took over my life.

Yeah, the original implementation was in COPs but using Python, the current one is slightly faster, but cpp COP could be even faster. Many ways of solving this problem, glad you figured it out too!

Luiz Kruel
Senior Technical Artist
SideFX

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