ArcToSegmentCount calcs need to use abs value of angle.

4 years ago · 9298da4ebc
1 changed files with 1 additions and 1 deletions
--- a/libs/kimath/src/geometry/shape_arc.cpp
+++ b/libs/kimath/src/geometry/shape_arc.cpp
@ -479,7 +479,7 @@ const SHAPE_LINE_CHAIN SHAPE_ARC::ConvertToPolyline( double aAccuracy,
        n = GetArcToSegmentCount( external_radius, aAccuracy, ca );

        // Recalculate the effective error of approximation, that can be < aAccuracy
-        int seg360 = n * 360.0 / ca.AsDegrees();
+        int seg360 = n * 360.0 / fabs( ca.AsDegrees() );
        effectiveAccuracy = CircleToEndSegmentDeltaRadius( external_radius, seg360 );
    }