Andy McFadden df823f4c09 Add support for points in wireframe meshes ...

This allows rendering of a vertex directly, rather than just as an
edge endpoint.  They're currently drawn as small '+' signs.  A
round dot would be better, but the code is passing a list of line
segments around, so this is simpler.

2020-04-11 11:23:16 -07:00

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