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BlackJack_EN.htm
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BlackJack_EN.htm
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Black Jack</title>
<meta name="author" content="Rainer Wess" />
<meta name="description" content="Black Jack Game made with JavaScript HTML5 and CSS" />
<meta name="keywords" content="game,card game,Black Jack,Touch,Handy App,mobile phone,open source,GPL, freeware, HTML,CSS,JavaScript" />
<meta name="HandheldFriendly" content="true" />
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=yes, minimal-ui" />
<style>
/*
I have reduced the margin-height
of some elements to look nicer on
the Sololearn mobile App. To play
it standlone you may stretch it a
little bit in Y-direction.
New:
Optimised the layout with flexbox.
*/
body {
width: 360px;
margin: auto;
color: white;
font-family: Arial;
font-size: 16px;
font-weight: bold;
background-color: darkgreen;
/* disabling content selection */
-webkit-user-select:none;
-khtml-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
}
hr {
margin-top: 20px;
margin-bottom: 20px;
}
a {
color: Gold;
}
.game_page {
position: absolute;
overflow: hidden;
top: 0px;
left: 0px;
width: 320px;
margin: 20px;
color: white;
background-color: darkgreen;
}
.overlay_page {
z-index: 5;
position: absolute;
top: 0px;
left: 0px;
width: 320px;
margin: 20px;
color: white;
background-color: darkgreen;
}
.hidden_page {
z-index: 5;
display: none;
}
.game_title {
font: 32px Arial;
font-weight: bold;
color: red;
line-height: 1.2;
text-align: left;
text-shadow: -1px 0 white, 0 1px white, 1px 0 white, 0 -1px white;
}
.MenuBtn {
font: 22px Arial;
font-weight: bold;
color: DeepSkyBlue;
font-weight: bold;
float: right;
width: 35px;
height: 35px;
border: 1px solid;
border-color: white;
border-radius: 5px;
background-color: darkgreen;
}
.players {
font: 20px Arial;
font-weight: bold;
color: white;
margin-top: 35px;
}
#info, #busted {
text-align: left;
margin-left: 50px;
}
#points_cpu, #points_usr {
float: right;
text-align: right;
}
.tables {
display: flex;
flex-direction: row;
justify-content: space-between;
margin-top: 20px;
margin-bottom: 40px;
}
.places {
height: 82px;
width: 58px;
}
#controls {
display: flex;
flex-direction: row;
justify-content: space-between;
margin-top: 50px;
margin-bottom: 3px;
margin-right: 3px;
}
.btn {
font-size: 16px;
color: white;
font-weight: bold;
border-color: white;
border: 1px solid;
border-radius: 5px;
-webkit-box-shadow: 3px 3px #303030;
-moz-box-shadow: 3px 3px #303030;
box-shadow: 3px 3px #303030;
height: 35px;
}
#takeBtn {
background-color: green;
}
#standBtn {
background-color: red;
}
#newBtn {
background-color: black;
}
#menu {
overflow: hidden;
height: 100%;
}
#mBtn {
visibility:visible;
}
.redBtn {
background-color: red;
}
.menu_info {
margin-top: 15px;
width: 100%;
}
h3 {
font: 20px Arial;
font-weight: bold;
}
.content {
font: 16px Arial;
font-weight: bold;
margin-top: 30px;
margin-bottom: 10px;
height: 100%;
}
</style>
<script>
/*
Black Jack - (17+4)
Copyright Rainer Wess 2018
Made in Germany 🇩🇪
Open Source / Freeware
Released under GNU GPL 3.0
You can download it from
github, search RainerWessOS
New in version 1.0:
Nice deck of cards created by
nicubunu from openclipart.org
*/
globals: {
var points_usr;
var points_cpu;
var sum_usr;
var sum_cpu;
var place_usr;
var place_cpu;
var running;
var i;
var ani;
var intA;
var intTC = [];
var deck = [];
var card = [];
var card_value = [];
var revcard;
var nocard;
}
for (i = 0; i <= 51; i++) {
card[i] = new Image();
card[i].src = "cards/card" + i + ".png";
}
revcard = new Image();
revcard.src = "cards/reverse.png";
nocard = new Image();
nocard.src = "cards/nocard.png";
card_value = [11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10];
function id(id) {
return document.getElementById(id);
}
function setImg(pn, num) {
id("place" + pn).src = card[num].src;
}
function setText(sid, txt) {
id(sid).innerHTML = txt;
}
function setColor(sid, color) {
id(sid).style.color = color;
}
function aniWin() {
ani = (ani) ? false : true;
if (ani) setColor("info", "darkgreen");
else setColor("info","gold");
}
function showMenu() {
id("menu").className="overlay_page";
id("guide").className="hidden_page";
id("about").className="hidden_page";
}
function showGuide() {
id("guide").className="overlay_page";
id("menu").className="hidden_page";
}
function showAbout() {
id("about").className="overlay_page";
id("menu").className="hidden_page";
}
function showGame() {
id("game").className="game_page";
id("menu").className="hidden_page";
}
function enableButtons() {
id("takeBtn").disabled = false;
id("standBtn").disabled = false;
}
function disableButtons() {
id("takeBtn").disabled = true;
id("standBtn").disabled = true;
id("newBtn").disabled = true;
}
function init() {
points_usr = 0;
setText("points_usr", points_usr);
points_cpu = 0;
setText("points_cpu", points_cpu);
newGame();
}
function createDeck() {
var arr = [];
for (var i = 0; i < 52; i++) {
arr[i] = i;
}
return arr;
}
function shuffle(arr) {
var i, j, tmp;
// Fisher-Yates Shuffling Algorithm
for(i=arr.length-1; i>0; i--) {
j = Math.floor(Math.random() * (i + 1));
tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp;
}
return arr;
}
function takeCard() {
var tc;
if(deck.length == 0) {
deck = createDeck();
deck = shuffle(deck);
}
tc = deck.pop();
return tc;
}
function newGame() {
sum_usr = 0;
sum_cpu = 0;
place_usr = 0;
place_cpu = 5;
ani = false;
running = true;
id("newBtn").blur();
disableButtons();
if (intA) clearInterval(intA);
setText("busted", " ");
setText("info", " ");
setText("cpu", "0");
setText("you", "0");
setColor("info", "white");
for (i = 0; i <= 9; i++) {
id("place" + i).src = nocard.src;
}
setTimeout(showReversedCard, 500);
setTimeout(cpuTakeCard, 1000);
setTimeout(usrTakeCard, 1500);
setTimeout(enableButtons, 1600);
}
function showReversedCard() {
id("place6").src = revcard.src;
}
function usrTakeCard() {
var cNum;
id("takeBtn").blur();
if (running) {
if (sum_usr <= 21) {
setText("info", " ");
cNum = takeCard();
setImg(place_usr, cNum);
place_usr++;
sum_usr += card_value[cNum % 13];
setText("you", sum_usr);
}
if (sum_usr > 20) {
disableButtons();
whoWins();
}
// in rare cases five cards are not enough
// ToDo: shift the drawn cards in the places, if more cards needed then places available, but for now we reuse the last place
if (place_usr > 4) place_usr--;
}
}
function cpuTakeCard() {
var cNum;
if (running) {
if ((sum_cpu < 19 && sum_cpu < sum_usr) || (sum_cpu < 16 && sum_cpu == sum_usr)) {
cNum = takeCard();
setImg(place_cpu, cNum);
place_cpu++;
sum_cpu += card_value[cNum % 13];
setText("cpu", sum_cpu);
if (place_cpu > 9) {
// in rare cases five cards are not enough then the last place is reused
place_cpu--;
intTC[0] = setTimeout(cpuTakeCard, 1000);
}
}
else whoWins();
}
}
function stand() {
// computers turn
var wait = 0;
id("standBtn").blur();
if (sum_usr > 9) {
disableButtons();
if (sum_cpu > sum_usr) whoWins();
for (i = 0; i < 4; i++) {
if (sum_usr > sum_cpu && sum_cpu < 19 || sum_usr == sum_cpu && sum_cpu < 16) {
intTC[i] = setTimeout(cpuTakeCard, wait);
wait += 1000;
}
}
} // Little Britain joke
else setText("info", "💻 says NO!");
}
function youWin() {
setColor("info", "gold");
setText("info", "You Win!");
intA = setInterval(aniWin, 700);
}
function youLose() {
setText("info", "You Lose.");
}
function whoWins() {
if (running) {
if (sum_usr > 21 || (sum_cpu <= 21 && sum_cpu > sum_usr && sum_usr > 0)) {
running = false;
if (sum_usr > 21) {
setText("info", "Busted");
setTimeout(youLose, 800);
}
else youLose();
points_cpu += 1;
setText("points_cpu", points_cpu);
}
else if (sum_cpu > 21 || sum_usr == 21 || (sum_usr <= 21 && sum_usr > sum_cpu)) {
running = false;
if (sum_cpu > 21) {
setText("busted", "* Busted *");
setTimeout(youWin, 500);
}
else if (sum_usr == 21) {
setTimeout(youWin, 500);
}
else youWin();
points_usr += 1;
setText("points_usr", points_usr);
}
else if (sum_cpu > 0 && sum_usr == sum_cpu) {
running = false;
setColor("info", "white")
setText("info", "It's a tie!");
}
if (!running) {
id("newBtn").disabled = false;
for (i = 0; i < intTC.length; i++) {
if (intTC[i]) clearTimeout(intTC[i]);
}
}
}
}
// END
</script>
</head>
<body onload="init()">
<div id="menu" class="hidden_page">
<div class="header"><span class="game_title">Black Jack</span><button id="mBtn" class="MenuBtn" onclick="showGame()">✕</button></div>
<hr>
<div>
<button class="btn redBtn" onclick="showGuide()">How to play</button>
</div>
<div class="menu_info">
The rules of this simplyfied Black Jack card game.
<p>
</div>
<hr>
<div>
<button class="btn redBtn" onclick="showAbout()">About the game</button>
</div>
<div class="menu_info">
Information about author, licence and copyright for this game.
</div>
<hr>
<div>
<button class="btn redBtn" onclick="showGame()">Back to game</button>
</div>
<div class="menu_info">
The menu button in the top right corner will you also bring back to the game.
</div>
</div>
<div id="guide" class="hidden_page">
<div class="header"><span class="game_title">Black Jack</span><button class="MenuBtn" onclick="showMenu()">☰</button></div>
<div class="content">
<h3> How to play </h3>The purpose of the game is to win. 😀<br> You play here against a real pro, the Gina. <P>The goal of the game is to come closer to 21 points than your opponent, ideally to get exactly 21 points. But do not overdo it, because if a player passes 21 points, it is too much and he has lost. <p>Because the Gina plays so damn good, she has to turn a card over so that you can see it and estimate, if you already have enough points, or risk taking another card. <p>
If you get exactly 21 points, you win immediately, which is of course the best, because then the Gina does not come into play. <P>
Have fun playing!<p>
</div>
</div>
<div id="about" class="hidden_page">
<div class="header"><span class="game_title">Black Jack</span><button class="MenuBtn" onclick="showMenu()">☰</button>
</div>
<div class="content">
<h3>About the Game</h3>
Game-Development / Programming:<br> 2018 ©️ Rainer Wess, Osnabrück
<p>
Made in Germany 🇩🇪
<p>
This game is open source / freeware. You can do with it whatever you want as long as this copyright and license disclaimer stays intact.
<p>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
<p>
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
<p>
You should have received a copy of the GNU General Public License along with this program.
<p>
If not, see <a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>
<p>
You can download the latest version of this game from github.com:<br>
<a href="https://github.com/RainerWessOS/Black-Jack">https://github.com/RainerWessOS/Black-Jack</a>
<p>
The grafics for the nice deck of cards were created by nicubunu and are realeased under Creative Commons Zero 1.0 Public Domain License. I have them from openclipart.org
<p>
</div>
</div>
<div id="game" class="game_page">
<div class="header"><span class="game_title">Black Jack</span><button class="MenuBtn" onclick="showMenu()">☰</button>
</div>
<div class="players">GINA : <span id="cpu">0</span> <span id="busted"> </span><span id="points_cpu">0</span>
</div>
<div class="tables">
<div class="places"><img id="place6" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place5" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place7" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place8" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place9" src="cards/nocard.png" alt=""></div>
</div>
<div class="players">YOU : <span id="you">0</span> <span id="info"> </span><span id="points_usr">0</span></div>
<div class="tables">
<div class="places"><img id="place0" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place1" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place2" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place3" src="cards/nocard.png" alt=""></div>
<div class="places"><img id="place4" src="cards/nocard.png" alt=""></div>
</div>
<div id="controls">
<div>
<button id="takeBtn" class="btn" onclick="usrTakeCard()">TAKE CARD</button>
</div>
<div>
<button id="standBtn" class="btn" onclick="stand()">STAND</button>
</div>
<div>
<button id="newBtn" class="btn" onclick="newGame()">NEW GAME</button>
</div>
</div>
</div>
</body>
</html>