keywords: Houdini Notes

Polygon

How to merge multiple meshes into one / Close open faces (mesh welding)

Check Ignore Primitive Attributes in Poly Soup node;
Then select Fill Mode as Triangles in Poly Fill node;

RBD

Breakdown

RBD = Debris + Dust + Smoke

Example: Houdini Wall Crack
https://www.youtube.com/watch?v=2Po_QX7B4qA

How to clean RBD simulation cache

Unreal Engine

Attribute Create doesn’t work in Unreal Editor

Case:
unreal_material doesn’t work when build static mesh assets.

Solution:
Place Transform node after Attribute Create node.

it’s an issue of HoudiniEngine 19.0 version.

Issues

Unable to triangulate mesh

Errors when import FBX into Unreal Engine:

FBXImport: Warning: Unable to triangulate mesh 'piece0': it will be omitted. 
FBXImport: Error: Import failed.

Solution:
Polysoup node.

“As far as we can discern, the sole purpose of human existence is to kindle a light of meaning in the darkness of mere being.” ― Carl Gustav Jung