[csu540-f05-rpf] [csu540-f05] SP3 question

Philip Lee kulguy82 at ccs.neu.edu
Tue Dec 6 15:44:25 EST 2005


I have a quick question. When you do the ray trace and your ray hits a 
point in a triangle, how do you get the z-coordinate of that point? I am 
having difficulties trying to ray trace back to the light source from a 
point on a triangle.

Thanks.



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