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On Mon, 11 Dec 2000 13:57:57 +0100, Wlodzimierz ABX Skiba wrote:
>Ron Parker wrote in message ...
>> >All_XXX_Intersections()
>> >
>> >why this not return ALL if there is ALL in name ?
>>
>> It should return all, but meshes and some other objects are exceptions to
>> the rule, usually for speed considerations. Anything you can use in CSG
>> should definitely return all.
>
>
>hmm, but everything returns only positive vales of depth
>this isn't all
Sure it is. "All intersections" means "all intersections of the object with
a ray." Since a ray goes only one direction from a point, all of the
intersections with that ray will be in a positive direction.
--
Ron Parker http://www2.fwi.com/~parkerr/traces.html
My opinions. Mine. Not anyone else's.
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