Nicolas Alvarez napsal(a):
> Jan Dvorak escribió:
>> torus is tested only if its bound fails. It is bounded by a tight 
>> difference of two cyliders.
> 
> Interesting fact. I knew it, now that you mention it; but I didn't 
> remember (been a while since I read it).
> 
> Any idea why both torus and its bounding shape have such low hit 
> percentage?
It seems that the number of torus bound tests is used to calculate the 
success percentage. See the table, rays shot. The actual success rate 
for torus in that table is 976314/1072053=91%

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