fix ground polygon rectangles #7518
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Thanks for the pull request @likangning93!
Reviewers, don't forget to make sure that:
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hpinkos
reviewed
Jan 28, 2019
hpinkos
reviewed
Jan 28, 2019
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Just those comments. Thanks for getting to this so quickly @likangning93 ! |
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@hpinkos this is up-to-date |
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Great work, @likangning93! |
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Fixes #7507. The previous algorithm for computing rectangles in
PolygonGeometrydidn't take the arctype between points into account. Cesium uses these rectangles to prevent batched ground geometries from drawing on each other using a fragment discard, which was why some ground polygons were getting cut off.