switch (this.smer)
            {
                case direction.up:
                    g.DrawLine(pero, this.Width / 2, 0,this.Width / 2, this.Height);
                    g.DrawLine(pero, 0, this.Height / 2, this.Width / 2, 0);
                    g.DrawLine(pero, this.Width, this.Height / 2, this.Width / 2, 0);
                    break;
                case direction.down:
                    g.DrawLine(pero, this.Width / 2, 0, this.Width / 2, this.Height);
                    g.DrawLine(pero, 0, this.Height / 2, this.Width / 2, this.Height);
                    g.DrawLine(pero, this.Width, this.Height / 2, this.Width / 2, this.Height);
                    break;
                case direction.left:
                    g.DrawLine(pero, 0, this.Height / 2, this.Width, this.Height / 2);
                    g.DrawLine(pero, 0, this.Height / 2, this.Width / 2, 0);
                    g.DrawLine(pero, 0, this.Height / 2, this.Width / 2, this.Height);
                    break;
                case direction.right:
                    g.DrawLine(pero, 0, this.Height / 2, this.Width, this.Height / 2);
                    g.DrawLine(pero, this.Width, this.Height / 2, this.Width / 2, 0);
                    g.DrawLine(pero, this.Width, this.Height / 2, this.Width / 2, this.Height);
                    break;
            }