Jump to content

Distorting rest attribute on packed geo with redshift triplanar


Recommended Posts

Hi.
thought i’d see if anyone has come across before.

I've got a redshift scene with animating blocks.  Essentially its a voronoi fracture, converted to packed geo, and then i'm running a noise through the @P.y of those packed pieces.  Problem is I'm trying to setup a rest attribute on my geometry before packing it (so redshift triplanar doesn’t swim).  Works fine except when i add the rest node it distorts the uv map near the edges.  Assuming its because the rest attribute is being shared across those seams maybe?

2019-07-08_12-17-13.png

If i disable the rest node, it works fine but the texture swims.  With it on its got the distortion.  I tried making the points unique with a facet node before the applying uv and rest attribs but then it splits everything, which is not what i wanted either.  I'm still fairly new to houdini, am sure theres a simple solution but i can't seem to figure it out.

Heres a scene file if anyones interested 

https://www.dropbox.com/s/hrqsq1ajq7ro36z/triplanar_rest.zip?dl=0

Any ideas?

 

Thanks

 

Link to comment
Share on other sites

didn't check your file, but could it be that your rest normals are a point attribute and therefore interpolated across sharp edges?

If your original has N as vertex attribute try to just copy it as your rest normals vertex attribute

Link to comment
Share on other sites

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.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...