[osg-users] Possible PolytopeIntersector bug?

[Jordi Torres]

Hi robert,

Thanks for your input, maybe the error is in my side. I will try to provide
a minimal repro case.

Thanks!

El 4 oct. 2017 2:31 p. m., "Robert Osfield" <robert.osfield at gmail.com>
escribió:

> Hi Jordi,
>
> On 4 October 2017 at 10:49, Jordi Torres <jtorresfabra at gmail.com> wrote:
>
>> Sorry I sent the mail without finishing it.
>>
>> As I was saying...
>>
>> In previous versions it was some code checking that.
>> https://github.com/openscenegraph/OpenSceneGraph/blob/
>> OpenSceneGraph-3.4/src/osgUtil/PolytopeIntersector.cpp#L300
>>
>> Am I missing something?
>>
>
> The new implementation works differently, it aims to take an input polygon
> (the triangle as three src vertices) and trims this successively by
> clipping it against each plane of the polytope.  If all the vertices are
> clipped away then there is nothing left of the original polygon to
> intersect with so returning false at this point is appropriate.
>
> Is there a specific problem you've come across or are you just trying to
> compare code before and after?
>
> Robert.
>
>
>
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