Re: Polygon missing vertex

Glad to hear you resolving the problem.

Tessellation is kind of pre-processing before rendering. Once a polygon
has been tessellated, you just use the tessellated polygon for
rendering and do not need do it again every frame.

By allowing only valid convex polygons for rendering, the rendering
pipeline still remains as simple as possible. For same reason, we
destroy all the previous rendered data and redraw whole things again on
new canvas even if nothing changed. It is somewhat not logical, but it
is the current design of rendering pipeline. Who know, one day, we will
have more complicate API which handle everything for us.

.

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