Question: Shading Models The Phong shading model simulates diffuse (D), specular (S), and ambient (A) reflections of light off objects with known light reflection properties (Kd,

Shading Models

The Phong shading model simulates diffuse (D), specular (S), and ambient (A) reflections of light off objects with known light reflection properties (Kd, Ks, Ka). When a light source is pure white, the output intensity is given by: I = Kd * D + Ks * S + Ka * A.

Describe how the output intensity is calculated if there are multiple light sources with different positions and different colors.

What light reflection properties (Kd, Ks, Ka) would you use to model a perfect mirror surface? What would this polygon look like if we viewed it using OpenGL?

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