Corona Renderer for 3ds Max > [Max] Daily Builds

Phoenix FD Foam and Splashes playground!

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maru:
The newest daily build of Corona Renderer supports Phoenix FD foam and splashes!


Quick how to:
- Get the newest Corona Renderer daily build (16.04 or newer) - https://coronarenderer.freshdesk.com/support/solutions/articles/5000570015
- Get the newest nightly build of Phoenix FD (6.4.2020 or newer)* - https://forums.chaosgroup.com/forum/phoenix-fd/phoenix-fd-general/956950-how-to-get-nightly-builds
*Older versions of Phoenix FD are supported too, but may not work correctly with Corona's interactive rendering (glitches, freezing, crashes), and may not contain some other bugfixes.
- Load an existing Phoenix FD simulation or create a new one - https://docs.chaosgroup.com/display/PHX4MAX/Example+Scenes
- Make sure that Foam and Splashes are enabled in the Phoenix FD object and start the simulation (or resimulation) - https://docs.chaosgroup.com/display/PHX4MAX/Liquid+Foam
- Apply any material to your liquid mesh (preferably some kind of liquid ;) )
- Optionally: adjust the settings of your Foam and Splashes particle shader objects
- Optionally: enable motion blur in your Corona Camera - it's supported for both the liquid mesh and foam/splashes!
- Optionally: enable caustics to become the cool kid - https://coronarenderer.freshdesk.com/support/solutions/articles/12000056738
- Render!

Full V6 changelog: https://forum.corona-renderer.com/index.php?topic=26830.0
Get the daily build here: https://coronarenderer.freshdesk.com/support/solutions/articles/5000570015




Flavius:
Hello there!

I am reposting my tests here as well. So glad this has been implemented. I have some questions:

1.The foam and splashes are rendered as an atmoshperic effect and not as geometry,right? If so, is it possible to have a element with that? Like V-ray has "V-ray Atmospheric" ? I would like to have all the foam particles in a separate element, that would be very helpful !

2. Is there anyway to get motion vectors out of it? Or is that possible only if the foam particles are rendered as geometry (which I know it is available in Vray) ? Any ideas how I can add motion blur in Fusion, but ONLY to the foam?

3. The displacement used in Phoenix Simulator... Is that being handled differently by Phoenix and not by Corona? I am asking this because Corona's displacement is far superior(literally cutting edge quality ). If I apply the same Phoenix FD ocean tex map to a simple plane with corona displacement and the exact same map to the Phoenix FD ocean mesh simulator, the phoenix one looks really bad. And even if I increase the ocean subdivision it takes ages to calculate and it still looks bad.  EDIT: Even if I disable displacement from the Common Tab from 3dsmax own render setup, Phoenix still renders the displacement. This I assume has something to do with Phoenix devs..but it worth trying ...if Corona could handle that displacement as it's the best in class. Ever..

Thanks a lot! And congrats for the awesome job you guys are doing!

maru:
@Flavius - I'll try to get the answers for you ASAP! :)

Flavius:

--- Quote from: maru on 2020-04-17, 11:52:37 ---@Flavius - I'll try to get the answers for you ASAP! :)

--- End quote ---

Thanks!! The most crucial thing is, if Corona can handle the displacement. Hopefully it is not difficult to do. I have high hopes on this

maru:

--- Quote from: Flavius on 2020-04-17, 11:44:15 ---Hello there!

I am reposting my tests here as well. So glad this has been implemented. I have some questions:

1.The foam and splashes are rendered as an atmoshperic effect and not as geometry,right? If so, is it possible to have a element with that? Like V-ray has "V-ray Atmospheric" ? I would like to have all the foam particles in a separate element, that would be very helpful !

2. Is there anyway to get motion vectors out of it? Or is that possible only if the foam particles are rendered as geometry (which I know it is available in Vray) ? Any ideas how I can add motion blur in Fusion, but ONLY to the foam?

3. The displacement used in Phoenix Simulator... Is that being handled differently by Phoenix and not by Corona? I am asking this because Corona's displacement is far superior(literally cutting edge quality ). If I apply the same Phoenix FD ocean tex map to a simple plane with corona displacement and the exact same map to the Phoenix FD ocean mesh simulator, the phoenix one looks really bad. And even if I increase the ocean subdivision it takes ages to calculate and it still looks bad.  EDIT: Even if I disable displacement from the Common Tab from 3dsmax own render setup, Phoenix still renders the displacement. This I assume has something to do with Phoenix devs..but it worth trying ...if Corona could handle that displacement as it's the best in class. Ever..

Thanks a lot! And congrats for the awesome job you guys are doing!

--- End quote ---


Here is the current situation:

ad 1) The foam is rendered as geometry, we don't have anything like the V-ray atmospheric effects. But we can add some render element that contains only directly seen foam.

ad 2) Except for the points mode, where motion blur is handled directly by Phoenix FD, we handle motion blur ourselves the same way as the rest of the geometry. So velocity element should work (unless it is somehow broken for foam, we will check this).

ad 3) Displacement of the volumetric media and liquid is handled by Phoenix. We get the already displaced mesh/volume. Not sure if some improvement would be possible here, but we can look into it.

I'll log all of this, and we will do what we can.

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