diff options
Diffstat (limited to 'examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js')
| -rw-r--r-- | examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js | 144 |
1 files changed, 74 insertions, 70 deletions
diff --git a/examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js b/examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js index f8d6d9f..5a166b7 100644 --- a/examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js +++ b/examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js @@ -1,145 +1,149 @@ function winner(board) { for (var i=0; i<3; ++i) { - if (board.children[i].state!="" - && board.children[i].state==board.children[i+3].state - && board.children[i].state==board.children[i+6].state) + if (board.children[i].state != "" + && board.children[i].state == board.children[i+3].state + && board.children[i].state == board.children[i+6].state) return true - if (board.children[i*3].state!="" - && board.children[i*3].state==board.children[i*3+1].state - && board.children[i*3].state==board.children[i*3+2].state) + if (board.children[i*3].state != "" + && board.children[i*3].state == board.children[i*3+1].state + && board.children[i*3].state == board.children[i*3+2].state) return true } - if (board.children[0].state!="" - && board.children[0].state==board.children[4].state!="" - && board.children[0].state==board.children[8].state!="") + if (board.children[0].state != "" + && board.children[0].state == board.children[4].state != "" + && board.children[0].state == board.children[8].state != "") return true - if (board.children[2].state!="" - && board.children[2].state==board.children[4].state!="" - && board.children[2].state==board.children[6].state!="") + if (board.children[2].state != "" + && board.children[2].state == board.children[4].state != "" + && board.children[2].state == board.children[6].state != "") return true return false } -function restart() +function restartGame() { - // No moves left - start again + game.running = true + for (var i=0; i<9; ++i) board.children[i].state = "" } -function makeMove(pos,player) +function makeMove(pos, player) { board.children[pos].state = player if (winner(board)) { - win(player + " wins") + gameFinished(player + " wins") return true } else { return false } } +function canPlayAtPos(pos) +{ + return board.children[pos].state == "" +} + function computerTurn() { var r = Math.random(); - if(r < game.difficulty){ + if (r < game.difficulty) smartAI(); - }else{ - randAI(); - } + else + randomAI(); } function smartAI() { - function boardCopy(a){ + function boardCopy(a) { var ret = new Object; ret.children = new Array(9); - for(var i = 0; i<9; i++){ + for (var i = 0; i<9; i++) { ret.children[i] = new Object; ret.children[i].state = a.children[i].state; } return ret; } - for(var i=0; i<9; i++){ + + for (var i=0; i<9; i++) { var simpleBoard = boardCopy(board); - if (board.children[i].state == "") { + if (canPlayAtPos(i)) { simpleBoard.children[i].state = "O"; - if(winner(simpleBoard)){ - makeMove(i,"O") + if (winner(simpleBoard)) { + makeMove(i, "O") return } } } - for(var i=0; i<9; i++){ + for (var i=0; i<9; i++) { var simpleBoard = boardCopy(board); - if (board.children[i].state == "") { + if (canPlayAtPos(i)) { simpleBoard.children[i].state = "X"; - if(winner(simpleBoard)){ - makeMove(i,"O") + if (winner(simpleBoard)) { + makeMove(i, "O") return } } } - function thwart(a,b,c){//If they are at a, try b or c + + function thwart(a,b,c) { //If they are at a, try b or c if (board.children[a].state == "X") { - if (board.children[b].state == "") { - makeMove(b,"O") + if (canPlayAtPos(b)) { + makeMove(b, "O") return true - }else if (board.children[c].state == "") { - makeMove(c,"O") + } else if (canPlayAtPos(c)) { + makeMove(c, "O") return true } } return false; } - if(thwart(4,0,2)) return; - if(thwart(0,4,3)) return; - if(thwart(2,4,1)) return; - if(thwart(6,4,7)) return; - if(thwart(8,4,5)) return; - if(thwart(1,4,2)) return; - if(thwart(3,4,0)) return; - if(thwart(5,4,8)) return; - if(thwart(7,4,6)) return; - for(var i =0; i<9; i++){//Backup - if (board.children[i].state == "") { - makeMove(i,"O") + + if (thwart(4,0,2)) return; + if (thwart(0,4,3)) return; + if (thwart(2,4,1)) return; + if (thwart(6,4,7)) return; + if (thwart(8,4,5)) return; + if (thwart(1,4,2)) return; + if (thwart(3,4,0)) return; + if (thwart(5,4,8)) return; + if (thwart(7,4,6)) return; + + for (var i =0; i<9; i++) { + if (canPlayAtPos(i)) { + makeMove(i, "O") return } } - restart(); + restartGame(); } -function randAI() +function randomAI() { - var open = 0; - for (var i=0; i<9; ++i) - if (board.children[i].state == "") { - open += 1; - } - if(open == 0){ - restart(); - return; + var unfilledPosns = new Array(); + + for (var i=0; i<9; ++i) { + if (canPlayAtPos(i)) + unfilledPosns.push(i); + } + + if (unfilledPosns.length == 0) { + restartGame(); + } else { + var choice = unfilledPosns[Math.floor(Math.random() * unfilledPosns.length)]; + makeMove(choice, "O"); } - var openA = new Array(open);//JS doesn't have lists I can append to (i think) - var acc = 0; - for (var i=0; i<9; ++i) - if (board.children[i].state == "") { - openA[acc] = i; - acc += 1; - } - var choice = openA[Math.floor(Math.random() * open)]; - makeMove(choice, "O"); } -function win(s) +function gameFinished(message) { - msg.text = s - msg.opacity = 1 - endtimer.running = true + messageDisplay.text = message + messageDisplay.visible = true + game.running = false } |