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function.js
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function.js
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//SPLIT EVENTS INTO OWN FUNCTIONS AND RETURN CARD ARRAYS
function parentClickEvent(){
var parent = document.getElementsByClassName("parent");
//add click event to all .parent elements to show child card
for(var i=0; i<parent.length;i++){
parent[i].onclick = function(event){
if(event.target.className == "parent" && event.stopPropagation){
open(this);
event.stopPropagation;
}
else{
return;
}
};
}
return parent;
}
//add click event to all .child elements to close card
function childClickEvent(){
var child = document.getElementsByClassName("child");
for(var a = 0; a<child.length; a++){
child[a].onclick = function(event){
if (event.target.className == "child" && event.stopPropagation) {
close(this);
event.stopPropagation;
}
};
}
return child;
};
//add click event to easy to create 10 cards
var easyButton = document.getElementById("easy");
easyButton.onclick=function(){ easyGame() };
//add click event to medium to create 20 cards
var medButton = document.getElementById("medium");
medButton.onclick=function(){ mediumGame() };
//add click event to hard to create 50 cards
var hardButton = document.getElementById("hard");
hardButton.onclick=function(){ hardGame() };
//add click event to playAgain button to restart game
var playAgain = document.getElementById("playAgain");
playAgain.onclick=function(){resetGame()};
//add click event to finish button to finish game
var finish = document.getElementById("finish");
finish.onclick=function(){finishGame()};
//-----FUNCTIONS ------
//remove start message
function startGame() {
var startMessage = document.getElementById("start");
startMessage.style.display="none";
}
//returns new shuffled card array
function shuffleCards(numbers){
for (var i = numbers.length - 1; i > 0; i--) {
var j = Math.floor(Math.random() * (i + 1));
var temp = numbers[i];
numbers[i] = numbers[j];
numbers[j] = temp;
}
return(numbers);
}
//displays 10 cards
function easyGame(){
startGame();
//create array with duplicate numbers -working
var cardNum = [];
for(var num = 1; num < 6; num++){
cardNum.push(num);
}
for(var num = 1; num < 6; num++){
cardNum.push(num);
}
//cardNum randomly shuffled
var shuffledCards = shuffleCards(cardNum); //working
var SClength = shuffledCards.length;
//inserts parent, then child and adds shuffledCards array value to child card
for(var i=0; i<SClength; i++){
//inserts parent card
var parentCard = document.createElement('div');
parentCard.className = "parent";
var cardContainer = document.getElementById("cardContainer");
cardContainer.parentNode.insertBefore(parentCard, cardContainer.nextSibling);
//inserts child card
var childCard = document.createElement('div');
childCard.className="child";
parentCard.appendChild(childCard);
childCard.innerHTML = shuffledCards[i];
parentClickEvent();
childClickEvent();
}
}
//displays 20 cards
function mediumGame(){
startGame();
//create array with duplicate numbers -working
var cardNum = [];
for(var num = 1; num < 11; num++){
cardNum.push(num);
}
for(var num = 1; num < 11; num++){
cardNum.push(num);
}
//cardNum randomly shuffled
var shuffledCards = shuffleCards(cardNum); //working
var SClength = shuffledCards.length;
//inserts parent, then child and adds shuffledCards array value to child card
for(var i=0; i<SClength; i++){
//inserts parent card
var parentCard = document.createElement('div');
parentCard.className = "parent";
var cardContainer = document.getElementById("cardContainer");
cardContainer.parentNode.insertBefore(parentCard, cardContainer.nextSibling);
//inserts child card
var childCard = document.createElement('div');
childCard.className="child";
parentCard.appendChild(childCard);
childCard.innerHTML = shuffledCards[i];
parentClickEvent();
childClickEvent();
}
}
//displays 50 cards
function hardGame(){
startGame();
//create array with duplicate numbers -working
var cardNum = [];
for(var num = 1; num < 26; num++){
cardNum.push(num);
}
for(var num = 1; num < 26; num++){
cardNum.push(num);
}
//cardNum randomly shuffled
var shuffledCards = shuffleCards(cardNum); //working
var SClength = shuffledCards.length;
//inserts parent, then child and adds shuffledCards array value to child card
for(var i=0; i<SClength; i++){
//inserts parent card
var parentCard = document.createElement('div');
parentCard.className = "parent";
var cardContainer = document.getElementById("cardContainer");
cardContainer.parentNode.insertBefore(parentCard, cardContainer.nextSibling);
//inserts child card
var childCard = document.createElement('div');
childCard.className="child";
parentCard.appendChild(childCard);
childCard.innerHTML = shuffledCards[i];
parentClickEvent();
childClickEvent();
}
}
//open child card when parent card is clicked
function open(card) {
var childCard = card.children[0];
childCard.style.fontSize="30px";
childCard.style.opacity="1";
//child cards that are displayed
var openC = openCards();
var openCLength = openC.length;
//STOPS WORKING HERE
if(openCLength == 3) {
tooManyCards(openC);
}
if(openCLength === 2){
pair(openC);
}
}
//close child card when clicked
function close(card) {
card.style.fontSize="40px";
card.style.opacity="0";
}
//Child and Parent arrays not available! PROBLEM
//returns array of open child cards (sorts cards by font size)
function openCards(){
var child = childClickEvent();
var openChildCards = [];
var getFontSize;
var childLength = child.length;
var childCard;
for(var i=0; i<childLength;i++){
childCard = child[i];
getFontSize = window.getComputedStyle(childCard).getPropertyValue("font-size");
if(getFontSize === "30px"){
openChildCards.push(childCard);
}
}
return openChildCards;
}
//if more than 3 cards are open, close all cards and display message
function tooManyCards(cards){
var cardsLength = cards.length;
for(var i=0; i<cardsLength;i++){
close(cards[i]);
}
var message = document.getElementById("tooManyCards");
message.style.marginLeft = "20%";
message.style.opacity = "1";
setTimeout(function() {removeMessage(message)}, 2000);
}
//two open child cards are matching, parent and child disappear and winner function is called
function pair(cards) {
var cardOneNum = cards[0].innerHTML;
var cardTwoNum = cards[1].innerHTML;
var cardsLength = cards.length;
if(cardOneNum === cardTwoNum){
var pairMessage = document.getElementById("pair");
pairMessage.style.marginLeft="20%";
pairMessage.style.opacity="1";
setTimeout(function() {removeMessage(pairMessage)}, 1700);
for(var i=0; i<cardsLength; i++){
cards[i].style.display="none";
cards[i].parentNode.style.display="none";
cards[i].style.fontSize="40px";
}
}
//check to see if game is over
winner();
}
//if all parents cards are gone game has finished
function winner() {
var parentCard = parentClickEvent();
var parentCardLength = parentCard.length;
var displayArray = [];
for(var i=0; i<parentCardLength; i++){
var parentDisplay = window.getComputedStyle(parentCard[i]).getPropertyValue("display");
if(parentDisplay === "none"){
displayArray.push(parentCard[i]);
}
}
if(displayArray.length === parentCardLength){
var winMessage = document.getElementById("win");
//displays win message
setTimeout(function() {
winMessage.style.marginLeft="20%";
winMessage.style.opacity="1";
}, 2000);
//Hides win message
setTimeout(function(){
removeMessage(winMessage);
}, 4000);
//displays reset message
setTimeout(function(){
var resetMessage = document.getElementById("reset");
resetMessage.style.display="block";
}, 4500);
}
}
//used with setTimeOut to remove message after set Time
function removeMessage(message){
message.style.opacity = "0";
message.style.marginLeft="-2000px";
}
//removes resetMessage and displays parent cards again when playAgain button is clicked
function resetGame(){
var resetMessage = document.getElementById("reset");
resetMessage.style.display="none";
var startMessage = document.getElementById("start");
startMessage.style.display="block";
}
//removes resetMessage and displays a thank you message when finish button is clicked
function finishGame(){
var resetMessage = document.getElementById("reset");
resetMessage.style.display="none";
var thankyou = document.getElementById("thankyou");
thankyou.style.opacity="1";
thankyou.style.marginLeft="20%";
}