Created
August 4, 2010 17:00
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| <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> | |
| <script> | |
| var ball = { | |
| x: 100, | |
| y: 100, | |
| dx : 4, | |
| dy : 4, | |
| }; | |
| function moveBall() { | |
| ball.x=ball.x+ball.dx; | |
| ball.y=ball.y+ball.dy; | |
| if (ball.x >1000) { | |
| ball.dx = -ball.dx; | |
| } | |
| if (ball.x <20) { | |
| ball.dx = -ball.dx; | |
| } | |
| if (ball.y <20) { | |
| ball.dy = -ball.dy; | |
| } | |
| if (ball.y >800) { | |
| ball.dy = -ball.dy; | |
| } | |
| $("#ball").css( | |
| { left: ball.x+"px", top: ball.y+"px" } | |
| ); | |
| window.setTimeout(moveBall, 10); | |
| } | |
| $(document).init(function() { | |
| $(document).mousemove(function(e) { | |
| $("#ok").css({left:30+"px", top: (e.clientY-40)+"px"}); | |
| }); | |
| moveBall(); | |
| }); | |
| </script> | |
| <body style="background: black; cursor: none;"> | |
| <div id="ok" style="position: absolute; top: 200px; left: 30px; width: 20px; height: 80px; background: #fff;"> | |
| </div> | |
| <div id="ball" style="position: absolute; top: 400px; left: 130px; width: 10px; height: 10px; background: #fff;"> | |
| </div> | |
| </body> | |
| ~ |
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