// Function to move the Player Plane
        private void MovePlayerPlane(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Right)
            {
                playerPlane.moveRight();
            }
            if (e.KeyCode == Keys.Left)
            {
                playerPlane.moveLeft();
            }
            if (e.KeyCode == Keys.Up)
            {
                playerPlane.moveUp();
            }

            if (e.KeyCode == Keys.Down)
            {
                playerPlane.moveDown();
            }
        }