/// <summary>
/// Return new contour with circle form.
/// </summary>
public static Contour Circle()
{
Contour a = new Contour();
for (float i = 0; i < 3.1415f * 2; i += 0.2f)
a.AddNumber(new Complex(Mathf.Cos(i),Mathf.Sin(i)));
return a;
}
/// <summary>
/// Return new contour with rectangle form.
/// </summary>
public static Contour Rectangle()
{
Contour a = new Contour();
int i;
for (i = 0; i < 5; i++)
a.AddNumber(new Complex(1, 0));
for (i = 0; i < 5; i++)
a.AddNumber(new Complex(0, -1));
for (i = 0; i < 5; i++)
a.AddNumber(new Complex(-1, 0));
for (i = 0; i < 5; i++)
a.AddNumber(new Complex(0, 1));
return a;
}