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clipka <ano### [at] anonymousorg> wrote:
> Am 29.05.2018 um 16:14 schrieb JimT:
> > Everyone is familiar with the roundcone, a convex object, and the sphere sweep
> > derived from it.
>
> Is everyone?
Round_Cone, Round_Cone_Union, Round_Cone_Merge and Round_Cone2 and Round_Cone3
variants are in shapes.inc from John vanSickle.
Not that I am familiar with everything in the include files. I constructed a
round cone #macro before I was informed about the shapes.inc version. I wanted
it to use in a single Bezier segment version of a sphere sweep that would cope
with the sphere radius going negative by coming to a point, being absent while
the radius was negative, and then starting up again from a point.
I guess most people are familiar with the sphere sweep.
Anyway, thanks to isama, I am now happy to assert the fat triangle is C_1, and
go away to simplify the code.
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