Texture looks disorted, when position attributes are changed

[vielzutun.ch]

@wyy2

It looks like the problem is happening because the mesh is made from many triangles. If it would behave like polygons with 4 vertex, I think it would work good.

Probably related:

Mapping-fidelity in quadrilateral/triangle rendering

Hi all, I’ve investigated a behaviour which seems peculiar to me, and might benefit from an improvement. A Jsfiddle is included in this topic. The Jsfiddle goes pretty much along the lines of this Demo (geometry / teapot), except for the fact, that I’m using a LatheGeometry instead of the teapot, and a very simple 4-vertex path. You can also modify the # of lathe segments via a UI element. That said: I’m starting with a decagon (latheSegments = 10) and am mapping the well known “uv_grid_opengl…