// method for moving the ship private void moveShip() { KeyboardState state = Keyboard.GetState(); //Move left if (state.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Left) && myShip._pos.X > 0) { myShip.move(Ship.Direction.Left); } // Move Right else if (state.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Right) && myShip._pos.X < viewPort.Width - 120) { myShip.move(Ship.Direction.Right); } }