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Add Tic Tac Toe Game #7

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51 changes: 51 additions & 0 deletions TicTacToe/index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Tic Tac Toe</title>
<link rel='stylesheet prefetch' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css'>
<link rel='stylesheet prefetch' href='https://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css'>
<link rel="stylesheet" href="style.css">
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://code.jquery.com/ui/1.11.4/jquery-ui.js'></script>
<script src="script.js"></script>
</head>

<body>
<div id="main">
<div class="container-fluid">
<div class="row">
<div class="col-xs-4 cell" id="c11">
</div>
<div class="col-xs-4 cell" id="c12">
</div>
<div class="col-xs-4 cell" id="c13">
</div>
</div>
<div class="row">
<div class="col-xs-4 cell" id="c21">
</div>
<div class="col-xs-4 cell" id="c22">
</div>
<div class="col-xs-4 cell" id="c23">
</div>
</div>
<div class="row">
<div class="col-xs-4 cell" id="c31">
</div>
<div class="col-xs-4 cell" id="c32">
</div>
<div class="col-xs-4 cell" id="c33">
</div>
</div>
</div>
</div>

<div id="dialog" title="Tic Tac Toe">
<p>Choose X or O</p>
</div>


</body>

</html>
317 changes: 317 additions & 0 deletions TicTacToe/script.js
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var isX = true;
var isValid = false;
var cells = [];
var player = 1;
var computer = 0;
var currentPlayer = 1;
var result = "";
var intervalId;

$(document).ready(function () {
$("#dialog").dialog({
resizable: false,
height: 160,
modal: true,
buttons: {
"X": function () {
isX = true;
$(this).dialog("close");
startGame();
},
"O": function () {
isX = false;
$(this).dialog("close");
startGame();
}
}
});
});

function startGame() {
emptyCells();
if (isX) {
player = 1;
computer = 0;
} else {
player = 0;
computer = 1;
}

var rnd = Math.round(Math.random());
if (rnd === 1) {
currentPlayer = player;
} else {
currentPlayer = computer;
}
intervalId = setInterval(loop, 100);
}

function loop() {
if (currentPlayer === player) {
isValid = true;
} else {
computerMove();
currentPlayer = player;
}

$(".cell").on("click", function () {
if (isValid) {
var sign = player === 0 ? "O" : "X";

var i = $(this).attr("id")[1] - 1;
var j = $(this).attr("id")[2] - 1;
if (cells[i][j] === -1) {
cells[i][j] = player;
$(this).html(sign);
isValid = false;
if (!whoWon(cells)) {
currentPlayer = computer;
}
}
}
});

var winner = whoWon(cells);
if (winner) {
if (winner === "computer") {
alert("You Lost, Better Luck Next Time.");
} else {
alert("Congratulations! You Won.");
}
result = winner;
}
else if (isTableFull(cells)) {
result = "Tie";
alert("Its a tie");
}
if (result !== "") {
clearInterval(intervalId);
result = "";
cells = [];
clearTable();
startGame();
}
}


function isTableFull(cells) {
for (var i in cells) {
for (var j in cells[i]) {
if (cells[i][j] === -1) {
return false;
}
}
}
return true;
}

function whoWon(cells) {
//horizontal match
for (var i in cells) {
if (cells[i][0] !== -1 &&
cells[i][1] !== -1 &&
cells[i][2] !== -1 &&
cells[i][0] === cells[i][1] && cells[i][0] === cells[i][2]) {
if (cells[i][0] === player) {
return "player";
}
else {
return "computer";
}
}
}
//vertical match
for (var i in cells) {
if (cells[0][i] !== -1 &&
cells[1][i] !== -1 &&
cells[2][i] !== -1 &&
cells[0][i] === cells[1][i] && cells[0][i] === cells[2][i]) {
if (cells[0][i] === player) {
return "player";
}
else {
return "computer";
}
}
}

//diagonal match
if ((cells[0][0] !== -1 &&
cells[1][1] !== -1 &&
cells[2][2] !== -1 &&
cells[0][0] === cells[1][1] && cells[0][0] === cells[2][2]) ||
(cells[0][2] !== -1 &&
cells[1][1] !== -1 &&
cells[2][0] !== -1 &&
cells[0][2] === cells[1][1] && cells[0][2] === cells[2][0])) {
if (cells[1][1] === player) {
return "player";
}
else {
return "computer";
}
}

return false;
}

function computerMove() {
var arr = freeCells();
var arr2 = bestMove();
var sign = computer === 0 ? "O" : "X";
var x = Math.round(Math.random() * arr.length);

if (arr2.length >= 1) {
var i = arr2[0];
var j = arr2[1];
} else if (arr.length >= 1) {
var i = arr[x][0];
var j = arr[x][1];
}
if ((arr.length >= 1 || arr2.length >= 1) && cells[i][j] === -1) {
var a = parseInt(i) + 1;
var b = parseInt(j) + 1;
new Promise(function (resolve, reject) {
$("#c" + a + b).html(sign);
resolve();
}).then(function () {
cells[i++][j++] = computer;
})
return 0;
}
}

function freeCells() {
var arr = [];
for (var i in cells) {
for (var j in cells[i]) {
if (cells[i][j] === -1) {
arr.push([i, j]);
}
}
}
return arr;
}

function bestMove() {
var computerInLine = 0;
var playerInLine = 0;
var a = 0;
var maybe = null;
//check rows
for (var i in cells) {
for (var j in cells[i]) {
if (cells[i][j] !== -1) {
if (cells[i][j] === computer) {
computerInLine++;
} else {
playerInLine++;
}
} else {
a = j;
}
}
if (computerInLine === 2 && a !== 0) {
return [i, a];
} else if (playerInLine === 2 && a !== 0) {
maybe = [i, a];
}
a = 0;
computerInLine = 0;
playerInLine = 0;
}

//check columns
for (var j in cells) {
for (var i in cells[i]) {
if (cells[i][j] !== -1) {
if (cells[i][j] === computer) {
computerInLine++;
} else {
playerInLine++;
}
} else {
a = i;
}
}
if (computerInLine === 2 && a !== 0) {
return [a, j];
} else if (playerInLine === 2 && a !== 0) {
maybe = [a, j];
}
a = 0;
computerInLine = 0;
playerInLine = 0;
}

//check diagonals
var h = 0;
a = -1;
var b = -1;
playerInLine = 0;
computerInLine = 0;
for (var k = 0; k < 3; k++) {
if (cells[k][h] !== -1) {
if (cells[k][h] === computer) {
computerInLine++;
} else {
playerInLine++;
}
} else {
a = k;
b = h;
}

if (computerInLine === 2 && a !== -1 && b !== -1) {
return [a, b];
} else if (playerInLine === 2 && a !== -1 && b != -1) {
maybe = [a, b];
}

h++;
}

h = 0;
a = -1;
b = -1;
playerInLine = 0;
computerInLine = 0;

for (var k = 2; k >= 0; k--) {
if (cells[k][h] !== -1) {
if (cells[k][h] === computer) {
computerInLine++;
} else {
playerInLine++;
}
} else {
a = k;
b = h;
}

if (computerInLine === 2 && a !== -1 && b !== -1) {
return [a, b];
} else if (playerInLine === 2 && a !== -1 && b != -1) {
maybe = [a, b];
}

h++;
}

if (maybe !== null) return maybe;
return [];
}

function clearTable() {
for (var a = 1; a <= 3; a++) {
for (var b = 1; b <= 3; b++) {
$("#c" + a + b).html("");
}
}
}

function emptyCells() {
for (var a = 0; a < 3; a++) {
cells.push([-1, -1, -1]);
}
}
16 changes: 16 additions & 0 deletions TicTacToe/style.css
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.cell {
background-color: #0493ed;
width: 200px;
height: 200px;
margin: 10px;
font-size: 100px;
color: white;
text-align: center;
line-height: 200px;
}
#main {
min-height: 100%;
min-height: 100vh;
display: flex;
align-items: center;
}