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functions.js
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functions.js
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var lowBet = document.getElementById("200");
lowBet.onclick=function(){ startGame() };
// Start Game
function startGame(){
//show table/deck etc and remove start message
var cardTable = document.getElementById("card-table");
var start = document.getElementById("start");
cardTable.style.display="block";
start.style.display="none";
//Deck of cards for game
var deck = newDeck();
//keep playing new hand until player is out of money - for now, just play new hand twice
//WORKING LOOP
var x = 0;
while(x < 1 ){
//empty array to collect cards to count
var playerPoints = [];
var dealerPoints = [];
//put initial cards in points arrays
playerPoints.push(deck[0],deck[2]);
dealerPoints.push(deck[1], deck[3]);
//display initial cards on table
initialCards(playerPoints, dealerPoints);
//removes 4 inital cards from deck
deck.splice(0,4);
//add event listeners to player options
var hitOption = document.getElementById("hitOption");
var standOption = document.getElementById("standOption");
hitOption.addEventListener('click', function(){ hit(deck, playerPoints); }, false);
standOption.addEventListener('click', function(){ stand(deck, dealerPoints, playerOptions)}, false);
//show player options
var playerOptions = document.getElementById("playerOptions");
playerOptions.style.display="block";
//stops infinite loop - FOR DEVELOPMENT PURPOSES
x += 1;
}
}
function hit(deck , playerPoints){
//src from deck[0] for new image
var newCardsrc = deck[0].suit + '-' + deck[0].card;
//parent node of cards
var playerParent = document.getElementById("playerCards");
//create new <img> for player
var newCard = document.createElement("img");
//add src to img
newCard.src = "card-img/" + newCardsrc + ".png";
//add img below parent div
playerParent.appendChild(newCard);
//add new card to playerPoints array, delete from deck and return playerPoints array
playerPoints.push(deck[0]);
deck.splice(0,1);
return playerPoints;
}
function stand(deck, dealerCards, playerOptions){
playerOptions.style.display="none";
//turn show card into first prop in dealerPoints array
//show dealer's 2nd initial card
var dealerCardSrc = deck[1].suit + '-' + deck[1].card;
var secDealerCard = document.getElementById('secondCard');
secDealerCard.src = "card-img/" + dealerCardSrc + ".png";
var dealerScore = 0;
while(16 < dealerScore < 22 ){
var points;
var cardLength = dealerCards.length;
for(var i=0; i < cardLength; i++){
if(dealerCards[i].card === "a"){
if(dealerScore < 11) {
points = dealerCards[i].highPoint;
}
else{
points = dealerCards[i].lowPoint;
}
} //if
else{
points = dealerCards[i].points;
} //else
dealerScore += points;
} //for
} //while
if(dealerScore < 21) {
hit(deck, dealerCards);
}
else{
alert("busted");
}
}
function initialCards(playerCards, dealerCards){
//card-img names
var pCardimg1 = playerCards[0].suit + '-' + playerCards[0].card;
var pCardimg2 = playerCards[1].suit + '-' + playerCards[1].card;
var dCardimg1 = dealerCards[0].suit + '-' + dealerCards[0].card;
//parent nodes for cards
var playerParent = document.getElementById("playerCards");
var dealerParent = document.getElementById("dealerCards");
//new img elements for each card
var pCard1 = document.createElement("img");
var pCard2 = document.createElement("img");
var dCard1 = document.createElement("img");
//add img src to img elements
pCard1.src = "card-img/" + pCardimg1 + ".png";
pCard2.src = "card-img/" + pCardimg2 + ".png";
dCard1.src = "card-img/" + dCardimg1 + ".png";
//add img below parent div
playerParent.appendChild(pCard1);
playerParent.appendChild(pCard2);
dealerParent.appendChild(dCard1);
}
//creates a deck of 52 cards - each card object has a suit,card and points
function newDeck(){
var ranks = [ {card:"a", lowPoint: 1, highPoint: 11 },
{card:"2", points:2} , {card:"3", points:3}, {card:"4", points:4}, {card:"5", points:5}, {card:"6", points: 6}, {card:"7", points: 7}, {card:"8", points:8}, {card:"9", points:9}, {card:"10", points:10}, {card:"j", points:10}, {card:"q", points:10}, {card:"k", points:10} ];
var suits = [ "d", "c", "s", "h"];
//var numOfCards = ranks.length*suits.length;
var deck = [];
// for each suit
for(var i=0; i<suits.length; i++){
//for each rank
for(var j=0; j<ranks.length; j++){
if(ranks[j].card === "A"){
deck.push({suit:suits[i], card:ranks[j].card, lowPoint: ranks[j].lowPoint, highPoint: ranks[j].highPoint});
}
else{
deck.push({suit: suits[i], card: ranks[j].card, points: ranks[j].points});
}
}
}
return shuffleCards(deck);
}
//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);
}