Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] General Discussion => Topic started by: Tanakov on 2014-04-01, 14:08:09

Title: Corona - Dispersion?
Post by: Tanakov on 2014-04-01, 14:08:09
So Im working on this thing now with corona, my job is to make

http://retaildesignblog.net/wp-content/uploads/2013/05/Artica-chandelier-by-Manooi-08.jpg

Effect that I have (Only White lights for the test)

My question is is there a way to add dispersion?

http://forum.corona-renderer.com/index.php/topic,1127.msg22739.html#msg22739 Is this the only way so far?
Title: Re: Corona - Dispersion?
Post by: maru on 2014-04-01, 17:27:47
The only way I could think of, other than the one from the thread you mentioned, would be changing reflection colour of some random faces. But I'm not sure what it would look like.
Title: Re: Corona - Dispersion?
Post by: borisquezadaa on 2014-04-01, 17:46:58
I would add my humble aproach. XD.
Until Keymaster implement a way.
http://forum.corona-renderer.com/index.php/topic,3093.msg22743.html#msg22743 (http://forum.corona-renderer.com/index.php/topic,3093.msg22743.html#msg22743)
Title: Re: Corona - Dispersion?
Post by: maru on 2014-04-01, 18:03:43
Yes, Tanakov mentioned it in the first post and I mentioned it in my post. :P
Title: Re: Corona - Dispersion?
Post by: tanguybod on 2014-04-01, 18:19:36
the only way to achieve that effect in a procedural kind of thing is to shift 3 shaders with a slightly different fresnel IO for each and set them with the 3 main color you want to see through your effect. Plays with a fallof you tweak and you will approach something good enough to fake. But NOT the right thing though. Was on air for a while before Vray got a decent disp effect available.

Tang
Title: Re: Corona - Dispersion?
Post by: Tanakov on 2014-04-01, 22:03:53
the only way to achieve that effect in a procedural kind of thing is to shift 3 shaders with a slightly different fresnel IO for each and set them with the 3 main color you want to see through your effect. Plays with a fallof you tweak and you will approach something good enough to fake. But NOT the right thing though. Was on air for a while before Vray got a decent disp effect available.

Tang

Your method isnt bad, but when we dont have "Render Selected" option it seems to that its not very efficient. (but works)
Title: Re: Corona - Dispersion?
Post by: tanguybod on 2014-04-02, 02:07:52
yeah as we said, not the ideal solution. But in a positive perspective, it is quite cheap in processing ;)