--------------------------------------------
student    : cyoon
graded by  : Charles Lee
problem set: ivscan
--------------------------------------------
Renders 1st test (triangle)   (0-3): 3
Renders 2nd test (rgb)        (0-2): 2
Renders 3rd test (cube)       (0-2): 2
Renders 4th test (interpen)   (0-2): 0
Renders 5th test (ellipse)    (0-2): 2
Renders 6th test (geekball)   (0-2): 2
Exactitude                    (0-2): 2
total                        (0-15): 13
--------------------------------------------
notes:

Linearly interpolating Z in screen space is wrong.
You needed to instead use linearly interpolated
values of h in order to correcly gauge depth.

--------------------------------------------