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Computations with Phong Shading
Computations involved along with Phong Shading:
i) Find out average unit normal vector at each polygon vertex.
ii) Linearly interpolate the vertex normals above the surface of polygon.
iii) Apply illumination model beside each scan line to calculate projected pixel intensities for surface points.
Potentially entering and leaving points - P E and P L The intersection point of the line and window might be classified either like potentially leaving or entering. Before g
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Modelling and Rendering a surface Common practice in modelling and rendering a surface is to approximate it by a polygonal surface. By a polygonal surface we mean a surface whi
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