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script.js
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script.js
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let square = {
a1: '', a2: '', a3: '',
b1: '', b2: '', b3: '',
c1: '', c2: '', c3: '',
};
let player = '';
let warning = '';
let playing = false;
reset();
document.querySelector('.reset').addEventListener('click', reset);
document.querySelectorAll('.item').forEach(item => {
item.addEventListener('click', itemClick);
});
function itemClick(event) {
let item = event.target.getAttribute('data-item');
if (playing && square[item] === '') {
square[item] = player;
renderSquare();
togglePlayer();
}
}
/**
* Função que vai resetar o quadro
*/
function reset() {
warning = '';
let random = Math.floor(Math.random() * 2);
player = random === 0 ? 'X' : 'O';
for (let i in square) {
square[i] = '';
}
playing = true;
renderSquare();
renderInfo();
}
/**
* Renderiza o jogo
*/
function renderSquare() {
for (let i in square) {
let item = document.querySelector(`div[data-item=${ i }]`);
item.innerHTML = square[i];
}
checkGame();
}
/**
* Renderiza as informaçẽs
*/
function renderInfo() {
document.querySelector('.vez').innerHTML = player;
document.querySelector('.resultado').innerHTML = warning;
}
/**
* Alterna os Players
*/
function togglePlayer() {
player = (player === 'X') ? 'O' : 'X';
renderInfo();
}
/**
* Verifica quem Ganhou
*/
function checkGame() {
if (checkWinnerfor('X')) {
warning = 'O "X" Ganhou!!';
playing = false;
} else if (checkWinnerfor('O')) {
warning = 'O "O" Ganhou!!';
playing = false;
} else if (isFull()) {
warning = 'Empate'
playing = false;
}
}
/**
* Verifica qual player foi o vencedor
* @param {*} player
*/
function checkWinnerfor(player) {
let position = [
'a1,a2,a3',
'b1,b2,b3',
'c1,c2,c3',
'a1,b1,c1',
'a2,b2,c2',
'a3,b3,c3',
'a1,b2,c3',
'a3,b2,c1',
];
//Array quega as positção pega cada uma dela ex:. a1 a2 etc...
for (let k in position) {
let kArray = position[k].split(',');
//faz verificação em cada array, e verifica se foi satisfeito.
let hasWon = kArray.every( options => square[options] === player );
if (hasWon) {
return true;
}
}
return false;
}
/**
* Verifica se o quadro esta cheio e retorna empate:
*/
function isFull() {
for (let i in square) {
if (square[i] === '') {
return false;
}
}
return true;
}