Module
Lighting and Shading Models
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Local illumination: ambient, diffuse (Lambert), specular (Phong/Blinn-Phong); light types (point, directional, spot); Gouraud vs Phong shading; introduction to materials and BRDF concepts at intro level.
Goal
Implement per-vertex and per-fragment shading with multiple lights; explain and code the Phong reflection model and choose appropriate interpolation.
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