Eye ray generation:  (2 points)
     Spawning rays in the correct direction from the eye.

Cone, cylinder, polygon intersection:  (2 points)
     Did you compute the correct intersections and normals for these
three objects?

Shadow:  (1 points)
     Did you cast shadow rays properly?  Did you attenuate due to
transparent objects?

Reflection:  (2 points)
     Did you compute proper angle of reflection?  Did you adjust for
material properties?

Transmission:  (2 points)
     Did you compute proper transmission angle, both incoming and
outgoing?  Did you handle total internal reflection properly?

Shading: (2 point)
     Is the rest of the phong shading model correctly implemented?

Supersampling and Jittering: (2 point)

Statistics: (1 point)

Exactitude:  (1 points)
    General category of how well you implemented the assignment.