Unity 4.x Game Development by Example Beginner's Guide

Time for action – code consolidation

We've chosen the square that the computer player will take. What are the next steps? Well, we need to increment the moves variable. We need to instantiate a piece Prefab. We need to update the Square with the player who claimed it. We need to check for a win or a stalemate, and update the player number.

By golly, all these steps are identical to the steps we already take when the human player places a piece! We should encapsulate those steps in a function that both the human and computer player can call.

Take all of the lines that are bolded below in the ClickSquare function, and move them into a new function called PlacePiece():

function ClickSquare(square:GameObject)
{
  if(gameIsOver) return;
 var piece:GameObject; ...