[osg-users] Draw open polygon

[Bruno Oliveira]

Thank you Robert, that's perfect!

2016-11-17 10:24 GMT+00:00 Robert Osfield <robert.osfield at gmail.com>:

> Hi Bruno,
>
> On 17 November 2016 at 10:11, Bruno Oliveira
> <bruno.manata.oliveira at gmail.com> wrote:
> > How does one draw an open polygon using whether OSG API's or OpenGL
> > primitives?
> > I know how to draw, for instance, a filled rectangle, but how do I draw a
> > filled rectangle with a hole inside?
> >
> > My data structures are stored as follows: a vector of the outward
> polygon's
> > vertices in clockwise order (e.g. filled rectangle), and then a vector of
> > "holes" stored as a vector of vertices in counter-clockwise order
>
> The osgUtil::Tessellator will be able to take these polygons and
> generate an osg::Geometry for you.  See the osgtessellate example.
>
> Robert.
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