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www.lemonade3d.com
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looks nice, but maybe it looks a bit more like wax than foam?
how about trying hypervoxels or instancing instead? could be better.
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Super Member
Damn that's pretty good so far! Not too sure what to recommend to make it better though.. maybe a lower Fresnel on the reflection so it's a bit less shiny?
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pass:sword
"shifting of colors in reflection" - try to use refraction dispersion (Dielectric mat. or Refraction Shader).
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Motion Design Lead
Agreed with Tobian, good progress so far! To add specular colouration, I think the easiest solution is to feed a Turbulence texture into a Gradient input, then simply add the desired colours as keys. Pipe the gradient output (which should look like a wild collection of rainbow colours by now) into the colour input of your specular shader of choice, and viola = instant rainbow highlights. Using your existing normals or the DPkit Bump to Normal node to influence individual shaders (such as a secondary gradient node with input set to incidence), you can get a lot fancier, but this is usually where I start.
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Motion Design Lead
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Learning
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Motion Design Lead
Thanks! It was a fun little test to work on.
I posted a render to YouTube with a few more details on how the shader was developed, along with a quick image sequence of tests showing the development progress and a turntable of the results.
http://www.youtube.com/watch?v=QxO9yYgg3Wk
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That was an excellent explanation on YouTube, and let me know I'll never be a master of surfacing.
But many thanks for the lesson!!!
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looks superb! :]
how would it look with displacement on the big bubbles though?
i think it should work fine and look good (?)
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Motion Design Lead
Glad you like it! Bubble displacement certainly looks better in some ways, less so in others - because I'm using inverted normals to shade the back of each bubble, displacing the larger bubbles means the back reflections get...weird.
I'll post an example once I get a chance to render one out (currently waiting on some heavy duty video encoding on a different project).
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www.lemonade3d.com
Tnx for the replys guys, and for your inputs!
Tobian- tnx, ill try that!
Off- i will give your idea a go as well, tnx!
Iaian7- tnx a lot for taking time on this one! I love your shader, but i would like to keep the displacement!
i'll try your idea with the rainbow gradient! Btw, any chance i could get that surface of yours? 
Tnx again!
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I definitely think with only minimal expansion that would be a great article for 3D World or LightWIKI. Just expand a bit on each sentence for knuckleheads like me (e.g.: must there be actual Thickness for the Thickness node to operate???) and WALLAGH! Article.
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Valiant NewTeKnight
UI Designer @ NewTek
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www.pixsim.co.uk : LightWave Video Tutorials & Tools

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How Old? Really? Aww Heck
Iaian7, very impressive! Would look forward to the tutorial & node setup as mentioned on youtube.
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