Chapter 18, Material, 1807_0241, Shader Fresnel

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Instructor Dr. Sassi

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Chapter 18, Shader Fresnel

The fresnel effect is an absolutely important effect to understand, because it is the only way to produce natural effects, like reflections on water. In CG you often see un-natural results when standard physical rules are ignored. Fresnel is the shader that gives you the option to simulate natural effects.