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Realistic Eye Ball (Vray)
show user profile  Redturtle
Anyone got any good tutorials? I'm some frustrating issues with IOR (or something) in my shader... I'll post more in a bit, but anyone got any good links to tutorials in making realistic eyes with vray in max?

read 12032 times
10/30/2012 4:58:20 AM (last edit: 10/30/2012 4:58:20 AM)
show user profile  Joey Parker Jr.
http://www.3dluvr.com/rogueldr/tutorials/eye/eyes.html
 photo 2012-sig_small3_zpsbd114b69.png

read 12031 times
10/30/2012 5:06:15 AM (last edit: 10/30/2012 5:06:15 AM)
show user profile  Redturtle
I'm looking for vray shader settings to be specific.

read 12027 times
10/30/2012 5:22:23 AM (last edit: 10/30/2012 5:22:23 AM)
show user profile  Joey Parker Jr.
Seriously? You can't figure out shader settings from that?
 photo 2012-sig_small3_zpsbd114b69.png

read 12024 times
10/30/2012 5:26:13 AM (last edit: 10/30/2012 5:26:13 AM)
show user profile  herfst1
Thanks for the link, Joey. I always made just a single bmp for the eye (+ specular), this way looks a lot better. And, yep, I reckon working out the shaders from that tutorial shouldn't be difficult at all.
read 11994 times
10/30/2012 10:08:07 AM (last edit: 10/30/2012 10:08:07 AM)
show user profile  shafi
Here is mine:
Not good.But,made it 2 months ago.Now,I use another method to make it more real.
Here is the link:
http://www.youtube.com/watch?v=vHDCnchu9Ms&feature=plcp

read 11983 times
10/30/2012 12:15:25 PM (last edit: 10/30/2012 12:16:20 PM)
show user profile  S. Silard
The result of that tutorial is way not realistic .
@shafi - that's wrong also . What a reflection is that ?

Beside I'm working on an eyeball as well .
This for now :
So much thing left to do with it .
Will be dropped to my wip thread when it's geting better .

EDIT: Anyone wants a tutorial ?
read 11948 times
10/30/2012 4:47:10 PM (last edit: 10/30/2012 4:55:46 PM)
show user profile  herfst1
@ silard, hell yeah. That looks fantastic. It doesn't need to be a fancy tutorial, just a couple of the main steps, if you don't mind.
read 11938 times
10/30/2012 5:00:15 PM (last edit: 10/30/2012 5:00:15 PM)
show user profile  weemink
a tutorial woudl be great!

theres a free tutorial on gnomon for a realistic eyeball but its for maya and im too much of a newbie to translate it to max.
read 11925 times
10/30/2012 5:42:25 PM (last edit: 10/30/2012 5:42:25 PM)
show user profile  shafi
@S. Silard----Yeah,That is what I said,it`s not good.Also not real.Now,I use another method.
Want to know about your method.
So,need a tutorial.

read 11879 times
10/31/2012 12:53:31 PM (last edit: 10/31/2012 12:53:31 PM)
show user profile  Octopuzzy
I did this eye quite a while ago

Needs some work, the bump is too noisy and the eyewhite veins are procedural etc...

Start with a vrayblend material.
Model an eyeball, a bit egg shaped and use a sss2 material on it, try one of the milk presets.
You can either use the built in reflection or layer it within the vrayblend material.

Blend that material with a gradient mask with a transparent/reflective material for the cornea. the ior should be 1.3-ish i believe, ref/refl should be 100 or close to it.
The iris is a seperate piece of geometry with no fancy settings...but you could set it to recieve caustics and tweak that for some extra realism..

Using an hdri for reflection will help if your scene is dull.




read 11861 times
10/31/2012 2:22:52 PM (last edit: 10/31/2012 2:22:52 PM)
show user profile  herfst1
Brilliant! Thanks for that, Octo. Will go and try that out right now.
read 11853 times
10/31/2012 3:18:20 PM (last edit: 10/31/2012 3:18:20 PM)
show user profile  shafi
Waaaw !!! Great man great !!! Real eye !!! Octopuzzy How much time it took to make?Nice job !

I always wonder and I always think that I`m billion miles away from you (maxforums) guys.
My works were never better.Because you all are beating everything.Sad news is I can`t see anything clear without the glasses(I`m not using any glasses from 6 months,bcoz I`m feeling that glasses are helping to lose it faster) and I`m losing my eyes day by day.I`m always upset about this and day by day I`m losing more and more confidence about my studies,my works.Only for these eyes.Without it everything is dark........Okay,i shouldn`t talk about this.Just the eye topic came and I shared......Sorry about that.
read 11834 times
10/31/2012 4:41:10 PM (last edit: 10/31/2012 4:41:10 PM)
show user profile  advance-software
if you need glasses to correct your vision, wear glasses.

can't see how that would make your eyesight worse.

go see an optician.
read 11827 times
10/31/2012 4:49:55 PM (last edit: 10/31/2012 4:49:55 PM)
show user profile  herfst1
@ Octo, I've been running in circles trying to create procedural maps and blend them. If possible could you help? Here's my troubles/queries:

1. The red lines in the whites were created with a cellular map? Just a confirmation as I went through most of the other contenders and that seemed to work best.
2. Blending. I've always been confused by one thing: the first map slot (not numbered) should have the overall texture and the first slot should have the material you want to blend (at least that's my logic). But that doesn't work. So I duplicate the diffuse to the second slot and it works again EXCEPT i can't get that transparent material it's blending with to be transparent, it just comes out black (which is what I set the diffuse of the transparent material to).
3. Unwrap or not unwrap? When I first started applying a blend (with gradient) it sort of worked fine (not sure how, maybe I just fluked it but I got it radiating outwards from the pupil in a few seconds - never to be repeated) but then I remembered to unwrap and threw everything off. I got it sort of right but that was after a lot of tweaking with rotation. This is pretty tough as the blend material isn't represented properly in the viewport. Is there a way to show the gradient in the UV editor? I've tried and it won't let me select.
4. That iris isn't procedural, right? I hope not as my shading abilities are no where near that level.

P.S. I understand if you want to keep some of your tricks a secret. Anyway, I will plug away.

read 11815 times
10/31/2012 5:29:34 PM (last edit: 10/31/2012 5:31:42 PM)
 
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