public double Distance(PointS second)
{
double dx = X - second.X;
double dy = Y - second.Y;
return(Math.Sqrt(dx * dx + dy * dy));
}
public static double Distance(PointS p1, PointS p2)
{
double dx = p1.X - p2.X;
double dy = p1.Y - p2.Y;
return(Math.Sqrt(dx * dx + dy * dy));
}
public CircleS(double x, double y, double r)
{
center = new PointS(x, y);
radius = r;
}
public CircleS(double x, double y, double radius)
{
center = new PointS(x, y);
this.radius = radius;
}