Time for action – check for a win

The CheckForWin function is ready to start cranking out the hits! Add a win check to the ClickSquare function:

square.GetComponent.<Square>().player = currentPlayer;
if(CheckForWin(square)) print("player " + currentPlayer + " wins!!!");

Smashed into a single succinct line, this code runs the CheckForWin function, passing it a reference to the Square that was just clicked. If that function call resolves to true (because CheckForWin returns true), then Unity should print a statement saying that the current player has won.

Here is the long form version of that same code:

if(CheckForWin(square) == true)
{
  print("player " + currentPlayer + " wins!!!");
}

Test the game. Try letting either X or O win the game. It works, and the message is displayed to the bottom of the Unity interface, and to the Console window: