Chaos Corona for 3ds Max > [Max] Daily Builds
New Corona Physical Material (PBR) playground!
Nejc Kilar:
--- Quote from: cjwidd on 2021-08-25, 20:15:02 ---
--- Quote from: GeorgeK on 2021-08-25, 10:31:58 ---Thanks for the feedback Cjwidd, are you referring to any specific examples? I might be able to post node graph here.
--- End quote ---
Yes, I am referring to the example with the violin.
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Hey cjwidd,
First of all let me just say that we are super excited to hear you've enjoyed the webinar and that you've found it useful. That was after all our main purpose :)
I'm attaching the node graph screenshot for the violin scene we've used in the webinar. The full credit goes to GeorgeK for coming up with this one but the reason I'm sharing the graph with you is because we've changed the materials every so slightly for the webinar version.
What changed? Well basically GeorgeK tweaked a couple of other material parameters as well and for the webinar we really wanted to emphasize that even if you leave all the other non-clearcoat related parameters the same you'll still get a completely different look & feel of the wood material as long as you introduce the clearcoat and some absorption.
So the node graph attached is the one from the webinar. Hope you'll find it useful and if you have any questions just let us know.
Oh and again, kudos to GeorgeK for coming up with the scene :)
TomG:
"The clear coat example with the wooden table where it just says 'Combined' in the bottom right"
For the table, all we did is pass the two bump maps through a Mix and feed the result into the Clearcoat bump, thus making it a blend of the two bumps.
GeorgeK:
--- Quote from: cjwidd on 2021-08-25, 20:15:02 ---
--- Quote from: GeorgeK on 2021-08-25, 10:31:58 ---Thanks for the feedback Cjwidd, are you referring to any specific examples? I might be able to post node graph here.
--- End quote ---
Yes, I am referring to the example with the violin.
--- End quote ---
Hi again, I am sharing the aged wood shader of the violin scene, ideally and if all textures were provided, 80% of the current node structure would be deprecated (can simply make this in Quixel mixer and export it), but where's the fun in that. For the most part, it consists of three different node trees, somewhat interconnected due to the Coat damage that should also affect base diffuse.
The exposed parts (un-coated) have increased roughness and low specularity, while the opposite is true for the still coated surfaces. Coat thickness is emulated through the use of Corona Ambient Occlusion where you will get a saturated/darker color on an open surface, while thinner/brighter on edges. The current setup includes no maps other than 2x free CC0 grunge masks to showcase the effect (replace the wood ones it should look the same rendered, keep saturation and tonality similar to the root), feel free to play around with the violin model: https://data.corona-renderer.com/download/scenes/violin_charles_IX_base_modern.rar
For the varnished version, the setup is quite similar simply grunge masks are significantly toned down, and mostly present in the coating as a form of surface dirt/weather.
An archive of the material can be found here: https://www.dropbox.com/s/wr5qkqt602a7h3j/aged_wood_coating.zip?dl=0
cjwidd:
--- Quote from: GeorgeK on 2021-08-26, 12:25:51 ---Also, Cjwidd I still owe you the kiwi guide but please give me some time since I cannot share some "secrets" as of yet, but will be able to do so soon ;).
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That's right - I had almost forgotten(!) I'm looking forward to the guide when it becomes available.
--- Quote from: Nejc Kilar on 2021-08-26, 13:12:40 ---I'm attaching the node graph screenshot for the violin scene we've used in the webinar. The full credit goes to GeorgeK for coming up with this one but the reason I'm sharing the graph with you is because we've changed the materials every so slightly for the webinar version.
--- End quote ---
@GeorgeK That is a beastly material - great work! Thank you for sharing :)
cjwidd:
Being able to do frosted glass on thin shell is so amazing, just wanted to say thanks for that +1
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