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fix fill extrusion querying for colinear points #9454

Merged
merged 1 commit into from
Mar 24, 2020
Merged

fix fill extrusion querying for colinear points #9454

merged 1 commit into from
Mar 24, 2020

Commits on Mar 23, 2020

  1. fix fill extrusion querying for colinear points 

    When checking for intersections with a fill-extrusion it has to
calculate the distance to the plane the polygon exist on. If the first
points of the geometry were colinear this calculation would fail.

It now:
- finds two distinct starting points a, b
- loops over all the remaining vertices looking for a value that is not
colinear with a, b

Usually this will be the first vertex it encounters.
    @ansis
    ansis committed Mar 23, 2020
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