void ResponseToInput() { if (Keyboard.GetState().IsKeyDown(Keys.Q)) { leftPaddle.MoveUP(); } if (Keyboard.GetState().IsKeyDown(Keys.A)) { leftPaddle.MoveDown(GraphicsDevice.Viewport.Height); } if (Keyboard.GetState().IsKeyDown(Keys.P)) { rightPaddle.MoveUP(); } if (Keyboard.GetState().IsKeyDown(Keys.L)) { rightPaddle.MoveDown(GraphicsDevice.Viewport.Height); } }