public double Distance(InterestingPoint b)
{
// квадрат расстояния
return(MathHelper.Sqr(x - b.x) + MathHelper.Sqr(y - b.y));
}
public static double Distance(InterestingPoint a, InterestingPoint b)
{
return(Math.Sqrt(MathHelper.Sqr(a.x - b.y) + MathHelper.Sqr(a.x - b.y)));
}