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correctcode.js
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correctcode.js
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var MatchGame = {};
/*
Sets up a new game after HTML document has loaded.
Renders a 4x4 board of cards.
*/
$(document).ready(function() {
var $game = $('#game');
var values = MatchGame.generateCardValues();
MatchGame.renderCards(values, $game);
});
/*
Generates and returns an array of matching card values.
*/
MatchGame.generateCardValues = function () {
var sequentialValues = [];
for (var value = 1; value <= 8; value++) {
sequentialValues.push(value);
sequentialValues.push(value);
}
var cardValues = [];
while (sequentialValues.length > 0) {
var randomIndex = Math.floor(Math.random() * sequentialValues.length);
var randomValue = sequentialValues.splice(randomIndex, 1)[0];
cardValues.push(randomValue);
}
return cardValues;
};
/*
Converts card values to jQuery card objects and adds them to the supplied game
object.
*/
MatchGame.renderCards = function(cardValues, $game) {
var colors = [
'hsl(25, 85%, 65%)',
'hsl(55, 85%, 65%)',
'hsl(90, 85%, 65%)',
'hsl(160, 85%, 65%)',
'hsl(220, 85%, 65%)',
'hsl(265, 85%, 65%)',
'hsl(310, 85%, 65%)',
'hsl(360, 85%, 65%)'];
$game.empty();
$game.data('flippedCards', []);
for (var valueIndex = 0; valueIndex < cardValues.length; valueIndex++) {
var value = cardValues[valueIndex];
var color = colors[value - 1];
var data = {
value: value,
color: color,
isFlipped: false
};
var $cardElement = $('<div class="col-xs-3 card"></div>');
$cardElement.data(data);
$game.append($cardElement);
}
$('.card').click(function() {
MatchGame.flipCard($(this), $('#game'));
});
};
/*
Flips over a given card and checks to see if two cards are flipped over.
Updates styles on flipped cards depending whether they are a match or not.
*/
MatchGame.flipCard = function($card, $game) {
if ($card.data('isFlipped')) {
return;
}
$card.css('background-color', $card.data('color'))
.text($card.data('value'))
.data('isFlipped', true);
var flippedCards = $game.data('flippedCards');
flippedCards.push($card);
if (flippedCards.length === 2) {
if (flippedCards[0].data('value') === flippedCards[1].data('value')) {
var matchCss = {
backgroundColor: 'rgb(153, 153, 153)',
color: 'rgb(204, 204, 204)'
};
flippedCards[0].css(matchCss);
flippedCards[1].css(matchCss);
} else {
var card1 = flippedCards[0];
var card2 = flippedCards[1];
window.setTimeout(function() {
card1.css('background-color', 'rgb(32, 64, 86)')
.text('')
.data('isFlipped', false);
card2.css('background-color', 'rgb(32, 64, 86)')
.text('')
.data('isFlipped', false);
}, 350);
}
$game.data('flippedCards', []);
}
};