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  1. Done by developer Artur Vill http://www.shaderology.com/ ------------------------------------ first attempt at WebGL using Three.js libraries. Check it: http://vill.ee/eye/ Eye shader main features: Texture raytracing to simulate cornea refractions Loads of parameters to customize the eye Cornea vertex displacement Normal maps Reflections Simple image based 'lighting' There is still some room for optimization in fragment shader. I feel like, I'm doing too many space transformations at the end. Also, I couldn't figure out how to access gl_ModelViewMatrixInverse in vertex shader so modelViewMatrix gets inverted in the vertex shader. Recalculating normals of displaced vertices is also questionable. I'm planning to add cat eye shape and caustics. Environments from hdrlabs.com and zbyg.deviantart.com Eye textures from milesresearch.com and Lukas Hajka Images processed with Photoshop and Crazybump
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