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michi.js
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michi.js
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/* task: Replace dom elements to classes! */
/**
* A simple Michi to play with two persons.
*
* @author Eduardo Telaya Escobedo.
* twitter account: @edutrul
* gmail account: luis.eduardo.telaya@gmail.com
*/
/**
* Execute when document is ready.
*/
$(document).ready(function() {
$('td').click(function() {
if ($(this).find('h1').length == 0) {
if ($('#players span').attr('id') == 'turn-a') {
$(this).append('<h1 style="color: blue">X</h1>');
verifyWinner();
$('#players span').attr('id', 'turn-b');
$('#players span').html('Es el turno del jugador B');
}
else {
$(this).append('<h1 style="color: red">O</h1>');
verifyWinner();
$('#players span').attr('id', 'turn-a');
$('#players span').html('Es el turno del jugador A');
}
}
});
/**
* Verify winner.
*/
function verifyWinner() {
str_winner = null;
if (winRowCell() == 'A' || winDiagonal() == 'A') {
str_winner = 'El ganador es el jugador [A]';
}
else if (winRowCell() == 'B' || winDiagonal() == 'B') {
str_winner = 'El ganador es el jugador [B]';
}
// tie
else if ($('td h1').length == 9) {
str_winner = 'Empate!';
}
// Show winner message and reload page.
if (str_winner) {
$('#players span').html(str_winner);
alert(str_winner);
document.location.reload();
}
}
/**
* Check if sb wins using row or cell.
*/
function winRowCell() {
player_a = 0;
player_b = 0;
isRow = true;
for (i = 0; i < 3; i++) {
for (j = 0; j < 3; j++) {
if ($('#row-' + (isRow ? i : j) + ' .cel-' + (isRow ? j : i)).text() == 'X') {
player_a++;
}
else if ($('#row-' + (isRow ? i : j) + ' .cel-' + (isRow ? j : i)).text() == 'O'){
player_b++;
}
}
if (player_a == 3) {
return 'A';
}
else if (player_b == 3) {
return 'B';
}
player_a = 0;
player_b = 0;
if (i == 2 && isRow) {
isRow = false;
i = 0;
}
}
}
/**
* Check if sb win using diagonal left or right.
*
* @return string
* A if player a wins, else B if player b wins.
*/
function winDiagonal() {
var player_str_a = 'X';
var player_str_b = 'O';
var player_str_turn = player_str_a;
for (i = 0; i < 2; i++) {
if ($('#row-0 .cel-0').text() == player_str_turn &&
$('#row-1 .cel-1').text() == player_str_turn &&
$('#row-2 .cel-2').text() == player_str_turn ) {
return player_str_turn == player_str_a ? 'A' : 'B';
}
else if (
$('#row-0 .cel-2').text() == player_str_turn &&
$('#row-1 .cel-1').text() == player_str_turn &&
$('#row-2 .cel-0').text() == player_str_turn
) {
return player_str_turn == player_str_a ? 'A' : 'B';
}
var player_str_turn = player_str_b;
}
}
});