Sparkling Snow Shader... how to make it?

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Re: Sparkling Snow Shader... how to make it?

Postby sadece » Tue Apr 14, 2015 12:56 pm

sadece Tue Apr 14, 2015 12:56 pm
very nice material. why not share in Dropbox : viewtopic.php?f=30&t=45735&start=40
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Re: Sparkling Snow Shader... how to make it?

Postby dotcommer » Tue Apr 14, 2015 2:40 pm

dotcommer Tue Apr 14, 2015 2:40 pm
I've reached out to Grant, so we'll see if I can get him to explain his texture in more detail. I'll post back with anything I learn from him if he ever responds.

Sadece, you can go ahead and add me to the dropbox group and I can upload my snow texture to it. dotcommer1[a.t]gmail.com
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Re: Sparkling Snow Shader... how to make it?

Postby brasco » Tue Apr 14, 2015 2:48 pm

brasco Tue Apr 14, 2015 2:48 pm
dotcommer wrote:I've reached out to Grant, so we'll see if I can get him to explain his texture in more detail. I'll post back with anything I learn from him if he ever responds.

Sadece, you can go ahead and add me to the dropbox group and I can upload my snow texture to it. dotcommer1[a.t]gmail.com


He describes it in quite a lot of detail in his training so he might be a bit reluctant to just give his secrets away!

It's a pretty straightforward approach though, Specular SSS + Diffuse SSS Mixed then that combo mixed with a Sparkley emissive map.

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Re: Sparkling Snow Shader... how to make it?

Postby sadece » Tue Apr 14, 2015 3:19 pm

sadece Tue Apr 14, 2015 3:19 pm
dotcommer wrote:I've reached out to Grant, so we'll see if I can get him to explain his texture in more detail. I'll post back with anything I learn from him if he ever responds.

Sadece, you can go ahead and add me to the dropbox group and I can upload my snow texture to it. dotcommer1[a.t]gmail.com


sorry. i m not allowed to add since it's Martin's account. pls throw him a pm or post.
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Re: Sparkling Snow Shader... how to make it?

Postby dotcommer » Tue Apr 14, 2015 6:00 pm

dotcommer Tue Apr 14, 2015 6:00 pm
brasco wrote:
dotcommer wrote:I've reached out to Grant, so we'll see if I can get him to explain his texture in more detail. I'll post back with anything I learn from him if he ever responds.

Sadece, you can go ahead and add me to the dropbox group and I can upload my snow texture to it. dotcommer1[a.t]gmail.com


He describes it in quite a lot of detail in his training so he might be a bit reluctant to just give his secrets away!

It's a pretty straightforward approach though, Specular SSS + Diffuse SSS Mixed then that combo mixed with a Sparkley emissive map.

cheers
brasc


I figured it was SSS combination, but what i'm more interested in is that grainy/fuzzy look. I'm not sure how he's achieving that. Is it displacement? Normal maps? What really sells that snow is its granular look.
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Re: Sparkling Snow Shader... how to make it?

Postby whersmy » Tue Apr 14, 2015 6:03 pm

whersmy Tue Apr 14, 2015 6:03 pm
You can probably achieve that with the diffuse roughness option that was added in one of the newer versions

That option gives it a sandpaper like structure, grain like
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Re: Sparkling Snow Shader... how to make it?

Postby dotcommer » Wed Apr 15, 2015 6:15 am

dotcommer Wed Apr 15, 2015 6:15 am
I played around with my snow texture some more. Got it down to just one diffuse shader, renders faster, and in my opinion looks even more realistic. Looks closer to Grant's snow as well. Uses Octane's noise for the bump, but for some reason Octane noise doesn't work with displacement, so I had to revert back to C4D noise for that. Displacement is a combination of two different noises.

Take a look:
Octane_Snow_v05_Hills.jpg
Octane_Snow_v05_Snowball.jpg


Scene file attached. Enjoy!
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Octane_Snow_v06.c4d.zip
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Re: Sparkling Snow Shader... how to make it?

Postby Jaybee » Tue Jul 05, 2016 4:22 pm

Jaybee Tue Jul 05, 2016 4:22 pm
Looks fantastic, thanks so much for sharing the files. Still learning so much about this wonderful engine.
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