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Tic-Tac-Toe.html
executable file
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Tic-Tac-Toe.html
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<html>
<head>
<meta charset="UTF-8">
<style type='text/css'>
div.Top {
display: flex;
justify-content: center;
}
#reset {
background-color: #FFFFFF;
padding: 0.6em;
border-radius: 20pt;
border: 2pt solid #22BBCC;
font-size: 13pt;
color: black;
height: auto;
width: 125px;
margin-top: 2vw;
display: flex;
align-self: center;
justify-content: center;
}
#reset:hover {
background-color: aquamarine;
color: black;
}
div.Boxes {
display: grid;
grid-template-areas: "One Two Three" "Four Five Six" "Seven Eight Nine";
width: 115ex;
height: 115ex;
align-self: center;
}
div.Box {
border: 2px solid black;
display: flex;
justify-content: center;
align-items: center;
text-align: center;
flex-direction: column;
font-size: 2em;
}
div.Box:hover {
background-color: aquamarine;
}
body {
display: flex;
flex-direction: column;
}
</style>
</head>
<body>
<div class='Top'>
<h1>Tic-Tac-Toe</h1>
</div>
<div class='Boxes'>
<div class='Box' id="0">
</div>
<div class='Box' id="1">
</div>
<div class='Box' id="2">
</div>
<div class='Box' id="3">
</div>
<div class='Box' id="4">
</div>
<div class='Box' id="5">
</div>
<div class='Box' id="6">
</div>
<div class='Box' id="7">
</div>
<div class='Box' id="8">
</div>
</div>
<div id="reset">Reset Game</div>
<script type='text/javascript'>
let game = {
turn: -1,
players: ['X', 'O'],
gameover: false,
spots: [0, 0, 0, 0, 0, 0, 0, 0, 0]
}
function init() {
let buttons = document.getElementsByClassName('Box');
for (let button = 0; button < game.spots.length; button++) {
buttons[button].addEventListener('mouseup', buttonPressed);
}
let reset = document.getElementById('reset');
reset.addEventListener('mouseup', resetPressed);
}
function updateBoard(board) {
let buttons = document.getElementsByClassName('Box');
for (let i = 0; i < buttons.length; i++) {
if (game.spots[i] == 1) {
buttons[i].innerHTML = 'O'
} else if (game.spots[i] == 0) {
buttons[i].innerHTML = ''
} else if (game.spots[i] == -1) {
buttons[i].innerHTML = 'X'
}
}
}
function buttonPressed(evt) {
let spot = parseInt(evt.target.id);
makeMove(spot);
updateBoard(game.spots);
// checkWinner(game.spots);
let winner = checkWinner(game.spots);
if (winner == 'O') {
alert('O has won')
}
else if (winner == 'X') {
alert('X has won')
}
else if (winner == 'Tie') {
alert('It is a tie')
}
}
function resetPressed(evt) {
game.spots = [0, 0, 0, 0, 0, 0, 0, 0, 0];
game.turn = -1;
game.gameover = false;
updateBoard(game.spots);
}
function makeMove(spot) {
if (game.spots[spot] == 0 && game.gameover == false) {
game.spots[spot] = game.turn
game.turn = -game.turn;
}
}
function checkWinner(board) {
let rows = Math.sqrt(board.length);
let cols = rows;
for (let row = 0; row < board.length; row += rows) {
let rowSum = 0;
for (let spot = row; spot < row + rows; spot++) {
rowSum += board[spot];
}
if (rowSum == rows) {
game.gameover = true;
return 'O';
}
if (rowSum == -rows) {
game.gameover = true;
return 'X';
}
}
for (let col = 0; col < cols; col += 1) {
let colSum = 0
for (let spot = col; spot < game.spots.length; spot += 3) {
colSum += game.spots[spot];
}
if (colSum == cols) {
game.gameover = true;
return 'O';
}
if (colSum == -cols) {
game.gameover = true;
return 'X';
}
}
let diagsum1 = 0;
for (let spot=0; spot<game.spots.length; spot+=rows+1) {
diagsum1+=game.spots[spot];
}
if ( diagsum1==cols) {
game.gameover=true;
return 'O';
}
if ( diagsum1==-cols) {
game.gameover=true;
return 'X';
}
let diagsum2 = 0;
for (let spot=2; spot<game.spots.length-cols+1; spot+=rows-1) {
diagsum2+=game.spots[spot];
}
if ( diagsum2==cols) {
game.gameover=true;
return 'O';
}
if ( diagsum2==-cols) {
game.gameover=true;
return 'X';
}
for (let i=0; i<game.spots.length; i++){
if (game.spots[i]==0){
return 'Not-Tie'
}
}
game.gameover=true;
return 'Tie';
}
window.onload = init;
</script>
</body>
</html>