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This commit is contained in:
jean-pierre charras 2018-01-19 21:30:43 +01:00
parent d4dbdcd638
commit b4ea875c5e
1 changed files with 7 additions and 1 deletions
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8
common/convert_basic_shapes_to_polygon.cpp
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@ -58,7 +58,7 @@ void TransformCircleToPolygon( SHAPE_POLY_SET& aCornerBuffer,
corner_position.x = aRadius;
corner_position.y = 0;
double angle = (ii * delta) + halfstep;
RotatePoint( &corner_position.x, &corner_position.y, angle );
RotatePoint( &corner_position, angle );
corner_position += aCenter;
aCornerBuffer.Append( corner_position.x, corner_position.y );
}
@ -313,6 +313,7 @@ void TransformRingToPolygon( SHAPE_POLY_SET& aCornerBuffer,
aCornerBuffer.Append( aCentre.x + inner_radius, aCentre.y );
// Draw the outer circle of the ring
// the first point creates also a segment from the inner to the outer polygon
for( int ii = 0; ii < 3600; ii += delta )
{
curr_point.x = outer_radius;
@ -324,5 +325,10 @@ void TransformRingToPolygon( SHAPE_POLY_SET& aCornerBuffer,
// Draw the last point of outer circle
aCornerBuffer.Append( aCentre.x + outer_radius, aCentre.y );
// And connect the outer polygon to the inner polygon,.
// because a segment from inner to the outer polygon was already created,
// the final polygon is the inner and the outer outlines connected by
// 2 overlapping segments
aCornerBuffer.Append( aCentre.x + inner_radius, aCentre.y );
}