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flappy_a.html
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<!DOCTYPE html>
<!-- Author: Ahmed
-->
<html>
<!--
Author: S.Williams date 11 August 2014
-->
<head>
<title>MULTIMEDIA FLAPPY BIRD</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body id='theBody' onkeydown='keyHandler();' onclick="initialize();" style='padding:0px; margin:0px;'>
<div style="float:right; margin-right:100px;">
<h1>Leader Board</h1>
<table id="leaderBoard" style="border: #000099 solid thick;">
<tr><th>AKA</th><th>Last Name</th><th>Score</th><th>Date</th></tr>
</table>
</div>
<script type='text/javascript' src='js/modernizr-2.6.2.min.js'></script>
<script type='text/javascript' src='js/jquery-2.0.3.min.js'></script>
<script type="text/javascript">
/**
* First defined the functional objects
*
* @returns {Bird}
*/
Bird = function() {
this.posX = 150;
this.posY = 200;
this.birdImage = new Image();
this.birdImage.src = 'img/flappy_bird2.png';
this.getYpos = function() {
return this.posY;
};
this.initialize = function() {
return this.posY = 200;
};
this.move = function(amount) {
this.posY = this.posY + amount;
context.drawImage(this.birdImage, this.posX, this.posY);
};
this.die = function() {
context.drawImage(this.birdImage, this.posX, canvas.height - birdHeight);
};
};
Pillar = function() {
this.posX = canvas.width;
this.posY = 1 - Math.floor((Math.random() * 270));
// this.posY = 0; // cheat mode
this.pillarImage = new Image();
this.pillarImage.src = 'img/pillar_long.png';
this.getYpos = function() {
return this.posY;
};
this.getXpos = function() {
return this.posX;
};
this.move = function(amount) {
this.posX = this.posX - amount;
context.drawImage(this.pillarImage, this.posX, this.posY);
};
};
// The excutable code starts here
// The following 5 lines creates and adds HTML5 canvas with
// specific size to the body of the document
var canvas = document.createElement("canvas");
var context = canvas.getContext("2d");
canvas.width = 800;
canvas.height = 600;
document.body.appendChild(canvas);
//These are constants that apply to the physical images
var birdHeight = 40;
var pillarHeight = 877;
var holeStart = 365;
var holeEnd = 482;
var highScore = 0;
//The baackground image
var bgImage = new Image();
bgImage.src = "img/cput.jpg";
//Stores all pillars
var pillarArray = new Array();
//The actual flappy
var bird = new Bird();
// Will be true if the game is over
var gameOver = true;
// Stores the number of the pillar closest to the bird
var currentPillar;
// store the time intervals
var count;
// store the amount of pillar cleared
var score;
// store the amount of time the bird should move up
var up;
/**
* Reset main playing variables
* Note function is called immediately after it is defined
* it is also called in the fly method after game is over
*
* @returns {undefined}
*/
function initialize() {
var karma = false;
$.ajaxSetup({async: false});
$.post("../../processing/do_game_score.php"
, {"game_name": "flappy_bird", "points": 0, type: "karma"}
, function(data) {
if (data[0] > 0) {//enough karma points so play
karma = true;
}
}, 'json');
$.ajaxSetup({async: true});
if (!karma) {
window.open("http://mmedia.cput.ac.za/pmaster/index.php");
}
if (gameOver) {
gameOver = false;
currentPillar = 0;
pillarArray.length = 0;
count = 0;
score = 0;
up = 5;
bird.initialize();
//This is a very important line this calls the snapShot method
//atfer 10ms
window.setTimeout(snapShot, 10);
}
}
initialize();
/**
* This function could also be called render
* Display the game board everytime achieved
* clearing the canvas when drawing the background image
*
* @returns {unresolved}
*/
function snapShot() {
context.drawImage(bgImage, 0, 0);
//Move all pillars along
for (var j = 0; j < pillarArray.length; j++) {
pillarArray[j].move(1);
}
//Create new pillars every
if (count % 270 === 0 && count >= 270) {
var pillar2 = new Pillar();
pillarArray.push(pillar2);
currentPillar = pillarArray.length - 3;
}
if (gameOver) {
bird.die();
displayFinalScore();
return;
} else {
if (up < 5) {
bird.move(-10);
up++;
} else {
bird.move(1);
}
}
count++;
if (check4collision()) {
console.log(" DEAD 2 !!! ");
gameOver = true;
}
window.setTimeout(snapShot, 10);
}
/**
* Checks for collisions with
* 1) ground
* 2) top of screen
* 3) top of current pillar
* 4) bottom of current pillar
*
* @returns {Boolean}
*/
function check4collision() {
var collision = false;
if (bird.getYpos() > canvas.height - birdHeight) {
console.log("Died bird to low ");
collision = true;
}
if (bird.getYpos() < 0) {
console.log("Died bird to high " + score);
collision = true;
}
if (pillarArray[currentPillar] !== undefined) {
if (pillarArray[currentPillar].getXpos() < 100 || pillarArray[currentPillar].getXpos() > 200) //check for Safe area
{
// console.log(" Safe!!! " + pillarArray[currentPillar].getXpos());
} else {
if (pillarArray[currentPillar].getYpos() + holeStart > bird.getYpos()) {
console.log("Died into pillar Top " + currentPillar + " y " + bird.getYpos() + " P " + pillarArray[currentPillar].getYpos());
collision = true;
}
if (pillarArray[currentPillar].getYpos() + holeEnd < bird.getYpos() + birdHeight) {
console.log("Died into pillar bottom " + currentPillar + " y " + bird.getYpos() + " P " + pillarArray[currentPillar].getYpos());
collision = true;
}
}
score = currentPillar + 1;
} else {
// score = 0;
}
drawScore();
return collision;
}
function keyHandler() {
if (!event)
var event = window.event; // cross-browser shenanigans
if (event.keyCode === 32) { // this is the spacebar
up = 0;
}
return true; // treat all other keys normally;
}
/**
* Draws the score while playing
* @returns {undefined}
*/
function drawScore() {
context.font = '60pt Calibri';
context.lineWidth = 3;
context.strokeStyle = 'blue';
context.strokeText(score, canvas.width / 2, canvas.height * 0.33);
}
function displayFinalScore() {
var boxX = 280;
var boxY = 110;
context.beginPath();
context.rect(canvas.width / 2 - boxX / 2, canvas.height / 2 - boxY * 2, boxX, boxY);
context.fillStyle = 'yellow';
context.fill();
context.lineWidth = 7;
context.strokeStyle = 'black';
context.stroke();
context.beginPath();
//drawScore(score);
$.post("../../processing/do_game_score.php"
, {"game_name": "flappy_bird", "points": score, type: "new_score"}
, function(data) {
context.lineWidth = 1;
context.font = '28pt Calibri';
context.strokeText("Score " + score, canvas.width / 2 - 120, canvas.height * 0.19);
context.strokeText("Personal Best " + data[0], canvas.width / 2 - 120, canvas.height * 0.24);
context.strokeText("Overall Best " + data[1], canvas.width / 2 - 120, canvas.height * 0.29);
}, 'json');
}
</script>
</body>
</html>