A: Avatar does not fly with camera at all times (-2)
B: No problem 4 (-3)
C: Keyboard handler does not work, or some functionality is missing (-1)
D: No detectable avatar collision (-2)
E: No problem 3 (-3)
F: Avatar collision only partially working (-1)
G: Difficult to see what is what in problem 4, collision detection hard to
see (-1)
H: Did not compile (-1)

	Points:
	problem 1: 1 extra credit point
	problem 2: 4 points
	problem 3: 3 points
	problem 4: 3 points