Author Topic: VDB "Visible to Camera" attribute not working as expected...  (Read 1662 times)

2020-03-18, 04:24:53

Njen

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I have come across another issue with VDB's, where the "Visible to Camera" attribute doesn't seem to be respected. In the attached image, quality issues aside, on the left the rocket smoke VDB "Visible to Camera" attribute is turned off, and on the right it is turned on.

Regardless if the attribute is turned off or on, I would expect the VDB to cast shadows on to the surfaces, but it seems that with the attribute off, the VDB seems to not even cast secondary rays as well as primary rays. More specifically, I would expect the surface area 'A' to have a similar amount of shadow from the VDB as surface area 'B'.