• Advanced Eye Shader for 3DS Max

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  This was a great learning exercise in HLSL. I wanted to try something more non-conventional, but with a very specific goal that still might be useful to others. This eye tries to accurately represent the physical attributes of human eyes, including the refraction of the iris, the special reflective qualities of eyes, and the self-shadowing present from our eyelids even when our eyes move around.

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Cornea Specular	Separate Cornea and Iris Specular controls for strength, exponent, color
Iris Specular	Separate Cornea and Iris Specular controls for strength, exponent, color
Iris Dilation	Similar in concept to Valve's pupil dilation, this is done entirely through UV math!
Iris Parallax	Parallax Offset Mapping used to simulate Iris Indentation and Cornea Refraction. Gives a lot of depth.
Reflection Strength	Cubemap-based reflections with Strength, Contrast and Fresnel Falloff controls
Final	Final Effect