[Bf-committers] idea for mathutils commands

[Jacob Merrill]

must have missed it


On Sat, Feb 27, 2016 at 12:32 AM, tristan panzer <
republicthunderbolt9 at gmail.com> wrote:

> Hello,
>
> uv = mathutils.getUVFromTri([p1,p2,p3],[uv1,uv2,uv3],[point])
>
> Can be replaced by;
>
> uv = mathuttils.geometry.barycentric_transform(point, p1, p2, p3, uv1, uv2,
> uv3)
>
>
> https://www.blender.org/api/blender_python_api_2_76_release/mathutils.geometry.html?highlight=mathutils#mathutils.geometry.barycentric_transform
>
> iirc i already sent you this link, it is wrong ?
>
> 2016-02-27 7:48 GMT+01:00 Jacob Merrill <blueprintrandom1 at gmail.com>:
>
> > I have been using BVHTree.rayCast, and it returns a hitPoint, but not a
> > hitUV,
> >
> > so to extract this information I have been using python and have tried
> > transcribing a old unity script, it kinda works, but could we have this
> as
> > a feature of BVHtree or as a seperate mathutils command? it seems
> important
> > to add features like python based texture painting.
> >
> >
> >
> > *idea 1 *= add UV return to BVHtree or a command UVBVHTree function for
> > texture painting in python, without slowing down bvhTree.
> >
> >
> >
> >
> > *idea 2:*
> > *get Uv from triangle and point on triangle plane as mathutils command*
> >
> > uv = mathutils.getUVFromTri([p1,p2,p3],[uv1,uv2,uv3],[point])
> >
> > where p1 , p2, and p3 are triangle vertex location vectors, and uv1 etc
> > area the uv cord for each point, point = the area you would like to get a
> > UV from.
> >
> > referances - http://stackoverflow.com/a/17186533/1979851
> >
> >
> >
> >
> > *idea 3 *
> > uv = mathutils.getUVFromQuad([p1,p2,p3,p4],[uv1,uv2,uv3,uv4],[point])
> >
> >
> >    - same as triangle but for use with a quad rather than trying to
> split 2
> >    triangles from a quad.
> >
> >
> > Thanks!
> > BPR
> > _______________________________________________
> > Bf-committers mailing list
> > Bf-committers at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-committers
> >
> _______________________________________________
> Bf-committers mailing list
> Bf-committers at blender.org
> http://lists.blender.org/mailman/listinfo/bf-committers
>