View Full Version : Realistic Eyes tutorial..
Infinity3d4life 12-14-2002, 10:23 PM Heres a neat little tutorial that helped me out alot...
Tutorial (http://www.icreativesolutions.com/tuts/basiceye.htm)
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kretin
12-14-2002, 11:07 PM
It's not bad, but not a particularly realistic method. When creating anatomy, nothing beats replicating the anatomy properly...
I've found creating the cornea, copying the eye geometry and scaling it just a little bigger than the eye, creating the clear surface covering the whole eye, works really well. You'll also then get different specular on the white (sclera) of the eye, and it's clear coating which mimics reality.
Also you're best off starting with a ball, so you know it'll rotate properly.
And if you create the pupil as a poly, surfaced with 0 for all settings, you don't need the extra poly in the middle of the eye.
Lastly, something profoundly lacking in all eye tutes I've seen, is the creation of a morph for the pupil dilating. You should do this so you can make the pupil small when in bright light, or large when in darkness. Little touches like this can really make a character...
Gumpi
12-15-2002, 01:43 AM
The tutorial says to load the template but how would u save the template as a lightwave object. I know this may be a dumb question but i am new to lightwave.
Infinity3d4life
12-15-2002, 01:53 AM
You wouldn't save the template as an object.. They just want you to use it as a background image so that you can use it as reference to correctly size your eyeball object..:)
Infinity3d4life
12-15-2002, 01:56 AM
hey that is a neat observation Kretin.. I never even thought about how making a morph for the pupil...I'm gonna try a few techniques to see if i can get a better result..
Gumpi
12-15-2002, 02:01 AM
I think i understand infinity. So i put the eye as my desktop background.
beyondMyth
12-15-2002, 02:17 AM
great tutorial, thanks alot!!!! :) *peace*
Kaiser_Sose
12-15-2002, 06:39 AM
Originally posted by Gumpi
I think i understand infinity. So i put the eye as my desktop background.
What good would it be to put the image as your desktop background when you have LW open and blocking it
You want to set it as a viewport background
dies-irae
12-15-2002, 09:49 AM
mmmh, you could rapidly swap between desktop and lightwave...
ok, i shut up... :p
kretin, great tip about the pupil morphs!!
Infinity3d4life
12-15-2002, 02:49 PM
Yeh just add your background image or template in a viewport background.. Not desktop.. You have the option of making it a background picture within lightwave.. Stick with it Gumpi it will come to ya...;)
Gumpi
12-15-2002, 04:12 PM
Thanks for help
Infinity3d4life
12-15-2002, 05:17 PM
i think i'm starting to understand eye creation a little better.. Here is a sample of one that i did quickly..
http://home.ma.rr.com/infinityfilmz/eye2.jpg
still have a couple of things i want to try out to maybe get a better result, but thats what i got so far with my new method.. Pretty easy, and alot better than what i used to make.. Maybe kretin can give us a tip on morphing the pupil..
I still want to try out a couple different texture test to add veins and other things..
well back to the lab.
terryford
12-15-2002, 06:13 PM
You might want to check out this iris image maker. Some people couldn't get it to work, too many varibles in photoshop setups for me to make it bulletproof. Think of it as "unsupported" :)
http://www.terryf.dial.pipex.com/htm/iris.shtml
Regards,
Terry
Infinity3d4life
12-15-2002, 07:07 PM
I got it to work, but i don't know how to color it?? seems neat though so i'm gonna play with it for awhile.
Valkyrien
12-15-2002, 07:16 PM
Originally posted by Infinity3d4life
I got it to work, but i don't know how to color it?? seems neat though so i'm gonna play with it for awhile.
color channels adjustment layer maybe?;)
Infinity3d4life
12-15-2002, 07:33 PM
Thanks i think the adjustment layer with hue/saturation is the key... I haven't added any specular layers, but it works great.. thanks for the tips, and actions you guys...
Valkyrien
12-15-2002, 07:55 PM
h/s could work too I suppose, but you have more control with color channels;)
Kaiser_Sose
12-15-2002, 09:32 PM
Originally posted by Infinity3d4life
i think i'm starting to understand eye creation a little better.. Here is a sample of one that i did quickly..
http://home.ma.rr.com/infinityfilmz/eye2.jpg
still have a couple of things i want to try out to maybe get a better result, but thats what i got so far with my new method.. Pretty easy, and alot better than what i used to make.. Maybe kretin can give us a tip on morphing the pupil..
I still want to try out a couple different texture test to add veins and other things..
well back to the lab.
Thats really nice
Did you use a combonation of IL 7 and this tutorial
Infinity3d4life
12-15-2002, 11:27 PM
I used the tutorial, and just some trial and error.. It's pretty simple, and i keep finding new thing each time i try a new one.. I think i made about 20 eyeballs today..:)
tim THP
12-16-2002, 12:20 AM
i had been experimenting with making the pupil expand and contract last week and i came up with this technique - tell me what you think.
made a simple eyeball (with outer jelly layer too)
made a weight map just for the pupil
made another weight map for the entire eye
stuck in 2 skelegons (1 from the centre out thru the pupil, the other starting at the pupil)
in layout converted skellies to bones and assigned the central bone to the entire eye weightmap and the smaller bone just to the pupil weightmap.
parent the pupil bone to the other bone.
now i can roate the eyeball with the main bone and by scaling the pupil bone i can make the pupil any size i like
haven't shown my rendered version yet cos i haven't worked on the textures yet.
only thing to watch is that the iris area can only have one step (one "ring") of polys in it or it will fold when you expand the pupil.
probably a clumsly work around that could be done better, but it works for me
see ya
Kaiser_Sose
12-16-2002, 05:23 AM
Originally posted by Infinity3d4life
I used the tutorial, and just some trial and error.. It's pretty simple, and i keep finding new thing each time i try a new one.. I think i made about 20 eyeballs today..:)
Maybe you can make your own tutorial for that sweet eye up there
SplineGod
12-16-2002, 05:34 AM
Originally posted by Infinity3d4life
i think i'm starting to understand eye creation a little better.. Here is a sample of one that i did quickly..
http://home.ma.rr.com/infinityfilmz/eye2.jpg
still have a couple of things i want to try out to maybe get a better result, but thats what i got so far with my new method.. Pretty easy, and alot better than what i used to make.. Maybe kretin can give us a tip on morphing the pupil..
I still want to try out a couple different texture test to add veins and other things..
well back to the lab.
Instead of specular highlights, try using luminous objects beyond 100% while raytrace is turned on for the eye surface. :)
Infinity3d4life
12-16-2002, 07:43 PM
Thanks Larry.. i will try that.. Kaiser i will try to make a tutorial sometime this week.. Thanks for all the replies...
kretin
12-23-2002, 11:39 PM
There's really nothing to morphing the pupil. I usually have 2, segments in the iris, and a single poly for the pupil. It's easiest to create it in one extreme so you only need one morph for it, rather than creating it in the middle and having an open and close morph for it. So say I've created it in the closed (small) position. Just grab the pupil points, and the "middle of the iris" points, and scale up, making sure in the morph that the iris points remain in the same place relative to the ouside and inside of the iris.
Infinity3d4life: Your eye looks great, I love the iris. There's a strange shadow coming from the iris though...
Also make sure to create the redness around the outer rim of the sclera, and chuck a few subtle veins in there. Also the sclera looks dull and lifeless. Make sure whatever method you use to create it, that there's a decent amount of spec on it.
Also one thing I haven't noticed people doing, but goes a long way towards believability, is give the sclera some fractal bump "outside" of the cornea, so around the white area. This makes sure you get nice clear, round highlights on the cornea (iris and pupil) and slightly broken up highlights on the white area. Check your own eyes in the mirror and you'll see what I mean.
smfjersey
12-23-2002, 11:58 PM
anybody know a link or have info on "wetmaps"?
SplineGod
12-24-2002, 03:01 AM
Originally posted by smfjersey
anybody know a link or have info on "wetmaps"?
Wetmaps?
Joril
12-24-2002, 03:09 AM
Originally posted by smfjersey
anybody know a link or have info on "wetmaps"?
You mean "gloss-maps", right?
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