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<html>
<title>pingpang</title>
<head>
<script src="js/jquery-1.8.2.min.js"></script>
<script src="js/html5game.pingpang.js"></script>
<style>
#playground{
background: #e0ffe0 url(images/pixel_grid.jpg);
width: 400px;
height: 200px;
position: relative;
overflow: hidden;
}
#ball{
background: #fbb;
position: absolute;
width: 20px;
height: 20px;
left: 150px;
top: 100px;
border-radiue: 10px;
}
.paddle{
background: #bbf;
left: 50px;
top: 70px;
position: absolute;
width: 30px;
height: 70px;
}
#paddleB{
left: 320px;
}
</style>
</head>
<body>
<header>pingpang</header>
<div id="game">
<div id="playground">
<div id="paddleA" class="paddle"></div>
<div id="paddleB" class="paddle"></div>
<div id="ball"></div>
</div>
</div>
<footer>
this is a example of creating a ping pang game.
</footer>
</body>
</html>
$(function(){
$("#paddleB").css("top","20px");
$("#paddleA").css("top","60px");
});
var KEY = {
UP: 38,
DOWN: 40,
W: 87,
S: 83
}
$(function(){
$(document).keydown(function(e){
switch(e.which){
case KEY.UP:
var top = parseInt($("#paddleA").css("top"));
$("#paddleA").css("top",top-5);
break;
case KEY.DOWN:
var top = parseInt($("#paddleA").css("top"));
$("#paddleA").css("top",top+5);
break;
case KEY.W:
var top = parseInt($("#paddleB").css("top"));
$("#paddleB").css("top",top-5);
break;
case KEY.S:
var top = parseInt($("#paddleB").css("top"));
$("#paddleB").css("top",top+5);
break;
}
});
});
var pingpang = {}
pingpang.pressKeys = [];
$(function(){
pingpang.timer=setInterval(gameloop,30);
$(document).keydown(function(e){
pingpang.pressedKeys[e.which] = true;
});
$(document).keyup(function(e){
pingpang.pressedKeys[e.which] = false;
});
});
function gameloop(){
movePaddles();
}
function movePaddles(){
if(pingpang.pressedKeys[KEY.UP]){
var top = parseInt($("#paddleB").css("top"));
$("#paddleB").css("top",top-5);
}
if (pingpang.pressedKeys[KEY.down]){
var top = parseInt($("#paddleB").css("top"));
$("#paddleB").css("top",top+5);
}
if(pingpang.pressedKeys[KEY.W]){
var top = parseInt($("#paddleA").css("top"));
$("#paddleA").css("top",top-5);
}
if (pingpang.pressedKeys[KEY.S]){
var top = parseInt($("#paddleA").css("top"));
$("#paddleA").css("top",top+5);
}
}