public Rect(Dot a, Dot b, Dot c, Dot d)
{
this.a = a;
this.b = b;
this.c = c;
this.d = d;
}
public Elips(Dot a, Dot b, Dot c, Dot d)
: base(a, b , c ,d)
{
this.a = a;
this.b = b;
this.c = c;
this.d = d;
}
public Round(Dot a, Dot b, Dot c, Dot d)
: base(a, b, c, d)
{
this.a = a;
this.b = b;
this.c = c;
this.d = d;
radius = a.getLengthTo(b) / 2;
if(a.getLengthTo(b)!=c.getLengthTo(d))
throw new System.ArgumentOutOfRangeException("Sides can't be different");
}
public double getLengthTo(Dot b)
{
return Math.Sqrt(Math.Pow((b.x1 - x1), 2) + Math.Pow((b.y1 - y1), 2));
}