public class ochi
    {
        System.Drawing.Graphics zona_des;
        int x0, y0, r0, r;
        public void desenez(Color culoare_contur)
        {
            zona_des.DrawEllipse(new Pen(culoare_contur), x0, y0, 2 * r0, 2 * r0);
        }
        public void sterg(Color culoare)
        {
            zona_des.FillEllipse(new SolidBrush(culoare), x0 + 1, y0 + 1, 2 * (r0 - 1), 2 * (r0 - 1));
        }
        public void priveste(Color culoare_ochi, int xp, int yp)
        {
            int x = System.Convert.ToInt16(System.Convert.ToDouble(x0) + System.Convert.ToDouble(xp));
            int y = System.Convert.ToInt16(System.Convert.ToDouble(y0) + System.Convert.ToDouble(yp));
            zona_des.DrawEllipse(new Pen(culoare_ochi), x, y, r, r);
        }
        public ochi(System.Drawing.Graphics desen, int pozx, int pozy, int raz, int ri)
        {
            zona_des = desen;
            x0 = pozx;
            y0 = pozy;
            r0 = raz;
            r = ri;
        }
    }