Chaos Corona for 3ds Max > [Max] Bug Reporting
Lightmix bug - Light jumps to enviroment when uncheck "occlude other lights"
DotDesignStudio:
Hello,
When a Corona Light has unchecked "occlude other lights" it is visible in lightselect channel for environment only. When it lights up an object with translucency it gets weird, because it does not match separate channel with only this light. Like only secondary bounce ends up in environment channel.
Corona 1.5 hf2, 3ds max 2016, win 7
DotDesignStudio:
Also when the light or light material does not cast shadow it is added to environment light select channel. Also i can not exclude object with light material from specific light, so it cast shadows....
PROH:
Hi. If I understand it correct, this is part of the the same problem as I have had recently. There is only a small difference in my setup vs. DotDesigns: In my case I've made a dedicated "Lightselect_Environment" RE, where I believe DotDesign are refering to the automatically generated "Rest (unassigned" RE) when he says "Lightselect Environment Channel.
The problem I've found is, that when "visible directly" is checked in a Corona light, the directly visible light is part of the "Rest" RE and NOT the Lightselect RE for that light (pic. 1).
However when making the same setup for an object with Corona Light Mtl applied to it, the directly visible light is part of the Lightselect RE for the object/light - just as expected (pic. 2).
But - If "Emit Light" is turned off in the Corona Light Mtl, then the directly visible light suddenly is part of the "Rest" RE (pic. 3).
This behavior makes it difficult/impossible to turn off a single light in the lightmixer, in situations where the light is seen directly.
Hope my explanation makes sense. I've attached 3 pictures to make it understandable.
Regards
NB - the test is made with 3dsMaxDesign2014 and Corona 1.6 DB Mar 27
PROH:
Hi. Just checked with 1.6 RC2 and got the same result. Could somebody please tell if this is a bug, or "expected behavior" (sure looks like a bug to me).
Regards
Ondra:
this is currently working as expected - non-explicit light sources cannot be lightmixed. I am currently not sure if this will be fixable
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