Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: Naxos on 2020-11-21, 13:02:06

Title: Underwater God rays ?
Post by: Naxos on 2020-11-21, 13:02:06

Hello there, does anyone know how to reach this effects : God rays underwater.

See example.

{Edit] : it seams that volume shader god-rays does not work with caustics, as the ocean plane sends caustics, but blocks the light for volume shader.

Title: Re: Underwater God rays ?
Post by: Naxos on 2020-11-21, 13:09:00

here is the test i've made, as you can see, we have caustics from ocen's plane, but the only godray we get is from ocean's border.

Title: Re: Underwater God rays ?
Post by: TomG on 2020-11-21, 15:04:00

Would have to do it without caustics - best way I can think of is a light projecting a caustics texture (the old way of faking caustics for such a scenario :) )

Title: Re: Underwater God rays ?
Post by: Naxos on 2020-11-21, 16:37:34

Quote from: TomG on 2020-11-21, 15:04:00

Would have to do it without caustics - best way I can think of is a light projecting a caustics texture (the old way of faking caustics for such a scenario :) )

I did that also, as i bought a "caustics generator" license, back in the old days...
But i was trying to be more accurate / nice...