An all in one shader for eyes

Color the Iris, set its size, squeeze it if it's a dragoneye, set depth for a fake refractive effect and amplify the translucency of the iris.
This shader is meant to fake the complex geometry of an eyeball.

 

No Textures needed!
No UV-Maps needed!

 

Parameters:eyezmenu

eyeball/iris1/iris2 : coloring the eye.
distort : how much does noise mix the colors.
scale : the scale of the noise.
homogenious : relaxing/stretching the noisepattern in radial direction.
iris%/pupil% : the radius relative to the eyeball surface in percent.
stretch : squeeze the pupil to a slit to simulate a cats eye.
depth : refractive fake effect to simulate depth of the pupil (works best if stretch is 0).
caustic : intensity of the translucent effect.
bump : bumpintensity of the iris-noisepattern.
vector : the space of the mapping. Input>TextureCoordinate>Object will direct the iris in z-direction of the object coordinates.

As the stretchvalue squeezes the eye, you can animate it to transform the pupil from round to slit, like a human transforming into a dragon.

The pupil is oriented into the -z Axis of objectspace. so eyes will look "down" initially.

if you like this, have a look at my other items including:

   

  


   


About the Creator: 




I am 3D artist in the advertising & television industry for 25 years.
While working on projects and teaching animation at design college since 1998, i studied physics at the university of vienna.
That equipped me with a solid toolset of math to use in 3D workflows.

I started programming Blender addons and noding vector operations into shaders around 2012.
I love how Blender and Cycles offer a lot of opportunities to speed up rendering and fake depth into surfaces in many ways.





Sales 100+
Customer Ratings 3
Average Rating
Dev Fund Contributor
Published almost 6 years ago
Software Version 2.7x, 2.77, 2.78, 2.79, 2.8, 2.81, 2.82, 2.83, 2.9
License Creative Commons
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