"Warp" wrote:
> > If, and only if,
> >     a)  A,B,C are forming a plane, and
> >     b)  P lies in the plane

 Isn't a) implicitly true? Three points always define a plane.
 [X]  Yes

> As for b), due to the limited accuracy of floating point numbers, it's
> almost always false. However, I suppose that it suffices that P is close
> enough to the plane.
 [X]  Yes

>   And I can believe that there could be a shortcut to see if a line
> intersects a triangle. It's just too complicated for me to think being
> this tired (and lazy) :)
 [X] You understand


;)

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