Created
May 7, 2012 03:30
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a guest on May 6th, 2012 - pastebin.com/tmEAaKsk
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<script src="http://code.jquery.com/jquery-latest.js"></script> | |
<script type="text/javascript"> | |
//$(document).ready(function(){ | |
var context; | |
var dx= 4; | |
var dy=4; | |
var y=150; | |
var x=10; | |
var rightDown = false; | |
var leftDown = false; | |
function draw(){ | |
context= myCanvas.getContext('2d'); | |
context.clearRect(0,0,300,300); | |
context.beginPath(); | |
context.fillStyle="#0000ff"; | |
context.arc(x,y,20,0,Math.PI*2,true); | |
context.closePath(); | |
context.fill(); | |
if(leftDown == true/* x<0 || x>300*/){ | |
// dx=-dx; | |
x+=y; | |
} | |
/* if(rightDown == true/*y<0 || y>300)*/ | |
/*` dy=-dy; | |
x+=dx; | |
y+=dy; | |
*/ } | |
/*$(canvas).onKeydown(function (evt){ | |
if(evt.keyCode == 39) rightDown = true; | |
else if(evt.keyCode == 37) leftDown = true; | |
})*/ | |
$(context).keydown(function(event) { | |
if (event.keyCode == 39) | |
rightDown == true; | |
leftDown == true; | |
})/* | |
var rightDown = false; | |
var leftDown = false;*/ | |
setInterval(draw,10); | |
</script> | |
<!DOCTYPE html> | |
<html> | |
<head> | |
</head> | |
<body> | |
<div> | |
<canvas id="myCanvas" width="300" height="300"></canvas> | |
</div> | |
</body> | |
</html> |
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