Karma XPU: Volumetric Lighting / God rays?

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2021年10月30日 15:31

Hi,

Shamelessly asking before trying myself:

Volumetric Lightning and God Rays,
Possible in Karma XPU (Alpha)?

Thanks in advance.

2021年10月30日 16:14

it looks like it is possible but honestly i don't know if it would work in a production.

Edited by mandrake0 - 2021年10月30日 16:14:50

Attachments:
test_volume_light.png (858.2 KB)

2021年10月31日 11:31

Interesting. Will you maybe share that scene? I do not seem to get a similar result.

2021年10月31日 14:13

Also check out the karma fog box.

2021年10月31日 14:56

Andy_23
Also check out the karma fog box.

It doesn't look like a volume like it does in the CPU engine, but it looks just like polygons unfortunately.

2021年10月31日 15:30

I'm sorry, I didn't remember correctly if I tried the fog box with XPU.

2021年10月31日 16:58

i had to recreate the test setup, didn't know about karma fog but it looks like it doesn't work with XPU.

Attachments:
fog_karma_xpu_test.hipnc (741.5 KB)

2021年11月1日 7:38

mandrake0
i had to recreate the test setup

Thank you.

Interesting. So don't need to enable all those extra settings on lights (such as 'Volume Contribution' in RS) in Karma..

2023年8月8日 3:42

it works using karmafogbox with karma xpu/cpu. I am using H19.5

Attachments:
test-godray-xpu.hipnc (987.6 KB)
Screenshot_4.png (556.6 KB)

                    
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