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Jul 30th, 2014, 03:07 PM
#1
[HTML5] Tic Tac Toe
I've managed to pump out my first HTML5 game with the help of several members here on VBForums. Here is the source code for the Tic-Tac-Toe game:
HTML Code:
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="index.css">
<meta content='Dday9' name='author' />
<meta content='Play Tic-Tac-Toe online with the power of HTML5' name='description' />
<meta content='tic-tac-toe, html5, free, online, game' name='keywords' />
<script src="index.js"></script>
<title>Tic Tac Toe</title>
</head>
<body>
<!-- Win/Lose information -->
<div id='statistics'>
<h4 id='wins'><span id='playerWins'></span> Wins</h4>
<h4 id='loses'><span id='cpuWins'></span> Loses</h4>
</div>
<!-- Tic-Tac-Toe grid -->
<div id='grid'>
<!-- Upper Row -->
<div>
<canvas id='00'></canvas>
<canvas class='top-middle' id='01'></canvas>
<canvas id='02'></canvas>
</div>
<!-- Middle Row -->
<div>
<canvas class='middle' id='10'></canvas>
<canvas class='middle center' id='11'></canvas>
<canvas class='middle' id='12'></canvas>
</div>
<!-- Bottom Row -->
<div>
<canvas id='20'></canvas>
<canvas class='bottom-middle' id='21'></canvas>
<canvas id='22'></canvas>
</div>
</div>
</body>
</html>
Code:
/* This represents the wins and loses */
#statistics {
display: inline-block;
width: 100%;
}
#wins, #loses {
float: left;
padding-left: 10px;
}
/* This represents the tic-tac-toe tiles */
#grid {
display: inline-block;
margin: 0px;
padding: 0px;
width: 100%;
}
#grid div{
width: 160px;
}
#grid canvas{
width: 50px;
height: 50px;
float: left;
}
.center{
border: 1px solid black;
}
.top-middle{
border-left: 1px solid black;
border-right: 1px solid black;
}
.middle{
border-top: 1px solid black;
border-bottom: 1px solid black;
}
.bottom-middle{
border-left: 1px solid black;
border-right: 1px solid black;
}
Code:
// Globals
var playerWins;
var cpuWins;
var availableCanvases;
var grid;
window.onload = function() {
// Set the default values for the globals(except for those we set in NewGame())
playerWins = 0;
cpuWins = 0;
// Update the statistics
UpdateStats();
// Setup handlers for the controls
// Upper row
document.getElementById("00").onclick = canvas_Click;
document.getElementById("01").onclick = canvas_Click;
document.getElementById("02").onclick = canvas_Click;
// Middle row
document.getElementById("10").onclick = canvas_Click;
document.getElementById("11").onclick = canvas_Click;
document.getElementById("12").onclick = canvas_Click;
// Bottom row
document.getElementById("20").onclick = canvas_Click;
document.getElementById("21").onclick = canvas_Click;
document.getElementById("22").onclick = canvas_Click;
// Start a new game
NewGame();
}
function canvas_Click() {
// Only execute the code IF the canvas is in our availableCanvases array
if (availableCanvases.indexOf(this.id) >= 0) {
var sender = document.getElementById(this.id);
var context = sender.getContext("2d");
// Draw an X or O depending on who's turn it is
// Blue pen
context.strokeStyle = "#000099";
//Draw an X
context.beginPath();
context.moveTo(0, 0);
context.lineTo(sender.width, sender.height);
context.moveTo(sender.width, 0);
context.lineTo(0, sender.height);
context.stroke();
// Remove the canvas from the availableCanvases array
availableCanvases.splice(availableCanvases.indexOf(sender.id), 1);
// Set the grid item
var row = Number(sender.id.charAt(0));
var col = Number(sender.id.charAt(1));
grid[row][col] = "player";
var win = PlayerWin();
if (win == false) {
if (Cat() == true) {
alert("Cat!");
NewGame();
} else {
AI();
}
} else {
alert("Player wins!");
IncrementPlayerWins();
NewGame();
}
}
}
function ClearCanvas(id) {
var sender = document.getElementById(id);
var context = sender.getContext("2d");
context.clearRect(0, 0, sender.width, sender.height);
}
function AI() {
// Choose a random available canvas
var item = availableCanvases[Math.floor(Math.random() * availableCanvases.length)];
var sender = document.getElementById(item);
var context = sender.getContext("2d");
// Red pen
context.strokeStyle = "#FF0000";
//Draw an O
context.lineWidth = 5;
context.beginPath();
context.arc(sender.width / 2, sender.height / 2, 70 , 0, 2 * Math.PI);
context.stroke();
// Remove the canvas from the availableCanvases array
availableCanvases.splice(availableCanvases.indexOf(sender.id), 1);
// Set the grid item
var row = Number(sender.id.charAt(0));
var col = Number(sender.id.charAt(1));
grid[row][col] = "computer";
var win = ComputerWin();
if (win == true) {
alert("Computer wins!");
IncrementCPUWins();
NewGame();
} else if (Cat() == true) {
alert("Cat!");
NewGame();
}
}
function IncrementPlayerWins(){
playerWins++;
}
function IncrementCPUWins(){
cpuWins++;
}
function UpdateStats() {
document.getElementById("playerWins").innerHTML = playerWins;
document.getElementById("cpuWins").innerHTML = cpuWins;
}
function PlayerWin() {
if (grid[0][0] == "player" && grid[1][0] == "player" && grid[2][0] == "player") {
// Upper Row
return true;
} else if (grid[0][1] == "player" && grid[1][1] == "player" && grid[2][1] == "player") {
// Middle Row
return true;
} else if (grid[0][2] == "player" && grid[1][2] == "player" && grid[2][2] == "player") {
// Bottom Row
return true;
} else if (grid[0][0] == "player" && grid[0][1] == "player" && grid[0][2] == "player") {
// Left Column
return true;
} else if (grid[1][0] == "player" && grid[1][1] == "player" && grid[1][2] == "player") {
// Middle Column
return true;
} else if (grid[2][0] == "player" && grid[2][1] == "player" && grid[2][2] == "player") {
// Right Column
return true;
} else if (grid[0][0] == "player" && grid[1][1] == "player" && grid[2][2] == "player") {
// Top left to bottom right line
return true;
} else if (grid[0][2] == "player" && grid[1][1] == "player" && grid[2][0] == "player") {
// Top right to bottom left line
return true;
} else {
return false;
}
}
function ComputerWin() {
if (grid[0][0] == "computer" && grid[1][0] == "computer" && grid[2][0] == "computer") {
// Upper Row
return true;
} else if (grid[0][1] == "computer" && grid[1][1] == "computer" && grid[2][1] == "computer") {
// Middle Row
return true;
} else if (grid[0][2] == "computer" && grid[1][2] == "computer" && grid[2][2] == "computer") {
// Bottom Row
return true;
} else if (grid[0][0] == "computer" && grid[0][1] == "computer" && grid[0][2] == "computer") {
// Left Column
return true;
} else if (grid[1][0] == "computer" && grid[1][1] == "computer" && grid[1][2] == "computer") {
// Middle Column
return true;
} else if (grid[2][0] == "computer" && grid[2][1] == "computer" && grid[2][2] == "computer") {
// Right Column
return true;
} else if (grid[0][0] == "computer" && grid[1][1] == "computer" && grid[2][2] == "computer") {
// Top left to bottom right line
return true;
} else if (grid[0][2] == "computer" && grid[1][1] == "computer" && grid[2][0] == "computer") {
// Top right to bottom left line
return true;
} else {
return false;
}
}
function Cat() {
var arrLen = availableCanvases.length;
for (var i = 0; i < arrLen; i++) {
if (availableCanvases[i] != "") {
return false;
}
}
return true;
}
function NewGame() {
// All canvases are available again
availableCanvases = ["00", "01", "02", "10", "11", "12", "20", "21", "22"];
// Update the statistics
UpdateStats();
// Clear any existing canvases
var arrLen = availableCanvases.length;
for (var i = 0; i < arrLen; i++) {
var ID = availableCanvases[i];
ClearCanvas(ID);
}
// Clear the grid
grid = [["", ""], ["", ""], ["", ""], ["", ""], ["", ""], ["", ""], ["", ""], ["", ""], ["", ""]];
}
Alll of the file names are index and then their extension(index.html, index.css, index.js). There is only one bug at this time and that is occasionally when it's the player's turn, it will draw an O in the middle of the X for some reason.
Here is a link to play the game: http://tic-tac-toe.freeiz.com/index.html
Enjoy.
Last edited by dday9; Aug 1st, 2014 at 09:06 AM.
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