Light and Shading Models

Met the Requirements of the Specificiation.

Basic:

• Edge Class
• Vertex Class
• Polygon Class

Complex Classes:

• GraphicObject Class(handles movement to world coordinates)
• Pipeline Class(handles entire graphic pipeline for viewing coordinate to screen)
• 3dPanel handles Device Coordinates
• ZBuffer Class
• ScanConvert Class(accesses ZBuffer to determine whether to draw or not)

Extensions:

• ScanConvert is molded for each of the ShadingModels, and as a result the Panel Classes have be specialized for ease of use. There is now a Gouraud, Phong, and Constant Shading Class option. For each there exists a corresponding Panel3dX, Draw3dX
• Light Class created to handle implementation of Phong Illumination Model, used Halfway vector instead of R, because light is assumed to be at infinity
• Material Class to give each object its own material