Chaos Corona for 3ds Max > [Max] Resolved Bugs

UVW randomizer error

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marobaro:
Hi
Something seems to have gone seriously wrong with CoronaUvwRandomizer map. Plugging the the same output to different slots yields different randomisation values. This is bonkers. Or am I going mad!?

without CoronaUvwRandomizer map:
https://drive.google.com/file/d/1C6r5h0-6itsyD2OIIp9cA-yar9w8NPMR/view?usp=sharing

with faulty CoronaUvwRandomizer map:
https://drive.google.com/file/d/1o5_B-lwO1Reb1uh0BgLRDPHacnBj3NlT/view?usp=sharing

Is there a fix for this?
Thank you,
Marek

philipbonum:
Hi, something does indeed seem wrong here. I tested this myself with both corona 6 and 7(hotfix 1), and it seems that displacement "ignores" the CoronaUvwRandomizer map.

However I can see that the "Autobump" part of the displacement is being randomized correctly.
This is leading me to believe that this is an order of operation sort of deal. Aka that Corona calculates Displacement before the randomizer, and the Autobump after.

Weirdly enough I did get it to produce expected result when using "Primitive" on the randomizer "Mode". But this is a pretty weird way to randomize something so not really helpful.

Frood:
Yep, see:

https://forum.corona-renderer.com/index.php?topic=30877.msg186325#msg186325


Good Luck

philipbonum:
Ah, yeah this is apparently not a priority. We'll just have to hope!

Frood:

--- Quote from: philipbonum on 2022-05-11, 13:51:30 ---We'll just have to hope!

--- End quote ---

Discovered and logged during v7 dailies.

v7 final: no fix
v7.1: no fix
v8 dailies: no fix
v8 final: no fix
Edit:
v9 dailies: no fix
v9 final: no fix
v9.1: no fix
v10: no fix
v11 dailies: no fix

Fixed in V11 RC1 :)
https://forum.corona-renderer.com/index.php?topic=40442.msg218812#msg218812


Good Luck...

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