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student    : John Thele, jdt
graded by  : karianne
time       : Sun Nov 15 EDT 1998
problem set: assignment 3

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rotation: -3
interface: +2

functionality (0-90):87
extra credit (0-10):2
total (0-100):89
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notes: 
Your vertices disappear when you rotate the object more than a 
certain angle.  I checked your rotation matrix, and it is OK.
Are you initializing all your variables correctly in the 
test applet?
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