public bool Contains(Vector2 point)
{
if (!_boundingBox.Contains(point))
{
return(false);
}
else
{
return(Contours.Select(c => c.WindingNumber(point)).Sum() > 0);
}
}
public double Distance2(Vector2 point)
{
if (this.Contains(point))
{
return(0);
}
else if (this.IsEmpty)
{
return(double.PositiveInfinity);
}
else
{
return(Contours.Select(c => PolylineUtils.Distance2(point, c)).Min());
}
}
public int CountVertices()
{
return(Contours.Select(contour => contour.Vertices.Count).Sum());
}
// Assumes contour orientation is canonic (counterclockwise for outer contours, clockwise for inner contours)
public double Area()
{
return(Contours.Select(contour => contour.SignedArea()).Sum());
}