Time for action – letting the player play

1. Modify the Update() method of Game1.vb, by adding the following before the call to MyBase.Update(gameTime):

   Select Case gameState
     Case GameStates.TitleScreen
       If Keyboard.GetState().IsKeyDown(Keys.Space) Then
         _gameBoard.ClearBoard()
         _gameBoard.GenerateNewPieces(False)
         playerScore = 0
         gameState = GameStates.Playing
       End If
   
       Case GameStates.Playing
         timeSinceLastInput +=
         (CSng(gameTime.ElapsedGameTime.TotalSeconds))
   
         If timeSinceLastInput >= MinTimeSinceLastInput Then
           HandleMouseInput(Mouse.GetState())
         End If
   
         _gameBoard.ResetWater()
   
         Dim y As Integer
   
         For y = 0 To GameBoard.GameBoardHeight
           CheckScoringChain(_gameBoard.GetWaterChain(y))
         Next
   
         _gameBoard.GenerateNewPieces(True)
   End Select

What just happened?

The Update() method performs two different functions, depending on the current gameState value. If the game is in TitleScreen state, Update...