public static void Draw_Part_Squere(float x, float y, int k)
{
double pi1 = 0;
for (int i = 1; i < k; ++i)
{
pi1 += Math.PI / 2;
}
//Console.WriteLine(pi1);
Risovatel.Set_pos(x, y);
Risovatel.Draw_line(100, pi1);
Risovatel.Draw_line(10 * Math.Sqrt(2), pi1 + Math.PI / 4);
Risovatel.Draw_line(100, pi1 + Math.PI);
Risovatel.Draw_line(100 - (double)10, pi1 + Math.PI / 2);
//pi1 += Math.PI / 2;
}