This article contains a list of known issues related to Corona and volumetric simulation plugins, and suggested solutions and workarounds. This includes:
Volumetric effects may not render as expected (may disappear completely, produce artifacts, or cause excessive noise or other unwanted issues) if:
- The camera is placed inside the medium (e.g. inside a Phoenix FD object, or inside a mesh with CoronaVolumeMtl applied)
- A light or object with CoronaLightMtl is placed inside the medium
For a list of other known bugs and limitations in Corona, see this article.