Tic Tac Toe

[AS3.0]

along with what northcode said in terms of the 8 ways to win you should also store 1 variable, one that will store your next winning move, and than when its the ai's turn you give it a 50/50 chance to block your winning move or move somewhere random,

id store all the moves in an array like this

var game_slots={
slot1:[0,0,0],
slot2:[0,0,0],
slot3:[0,0,0]
};

and when you make you make a move on 3,3, slot 3 would look like

var game_slots={
slot1:[0,0,0],
slot2:[0,0,0],
slot3:[0,0,1]
};

and when the ai makes a move you can store its flag as a 2 since yours is a 1 lets say it made a move on 1,1 it would look like this

var game_slots={
slot1:[2,0,0],
slot2:[0,0,0],
slot3:[0,0,1]
};