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[core] fix circle querying for scale and alignment

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This fixes circle querying for cases where either
    circle-pitch-alignment=map
or
    circle-pitch-scaling=viewport
This commit is contained in:
Chris Loer
2018-04-02 17:41:55 -07:00
committed by Ansis Brammanis
parent f7d20a5871
commit f86fe44dbd
39 changed files with 186 additions and 68 deletions
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9
src/mbgl/util/intersection_tests.cpp
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@@ -82,11 +82,16 @@ bool lineIntersectsBufferedLine(const GeometryCoordinates& lineA, const Geometry
return false;
}
bool polygonIntersectsBufferedPoint(const GeometryCoordinates& polygon, const GeometryCoordinate& point, float radius) {
if (polygonContainsPoint(polygon, point)) return true;
if (pointIntersectsBufferedLine(point, polygon, radius)) return true;
return false;
}
bool polygonIntersectsBufferedMultiPoint(const GeometryCoordinates& polygon, const GeometryCollection& rings, float radius) {
for (auto& ring : rings) {
for (auto& point : ring) {
if (polygonContainsPoint(polygon, point)) return true;
if (pointIntersectsBufferedLine(point, polygon, radius)) return true;
if (polygonIntersectsBufferedPoint(polygon, point, radius)) return true;
}
}
return false;