黑客帝国文字下落效果
源代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>黑客帝国文字下落</title>
<style>
html, body {margin:0; padding:0; background-color:#000;}
#divList {width:800px; height:500px; border:solid 3px gray; margin: 0px auto; overflow:hidden; position: relative;}
.divText {position: absolute;}
.divText span {display:block; font-weight: bold; font-family:Courier New; }
</style>
<script src="http://apps.bdimg.com/libs/jquery/1.9.0/jquery.min.js"></script>
</head>
<body>
<h1 style="text-align:center; color:gray;">黑客帝国文字下落 (<span id="spanCount">0</span>)</h1>
<div id="divList"> </div>
<script>
function rand(min, max)
{
return min + Math.round(Math.random() * (max - min));
} function add()
{
var x = rand(0, 800);
var html = '<div class="divText" style="left:' + x + 'px; bottom:500px;">'; /*
var color1 = [];
var color2 = [];
var color3 = [];
var color4 = [];
var color5 = [];
var color6 = []; for (var i=1; i<17; i++)
{
var f = i.toString(16);
color1.push('0' + f + '0');
color2.push(f + '00');
color3.push('00' + f);
color4.push('0' + f + f);
color5.push(f + f + '0');
color6.push(f + '0' + f);
}
var color = [color1, color2, color3, color4, color5, color6];
var ci = rand(0, 5);
*/ var color = [];
for (var i=1; i<17; i++)
{
var f = i.toString(16);
color.push('0' + f + '0');
} var fontSize = rand(9, 24);
for (var i=1; i<17; i++)
{
var c = rand(33, 127);
var c = String.fromCharCode(c);
// html += '<span class="s' + i + '" style="color:#' + color[ci][i-1] + '; font-size:' + fontSize + 'px;">' + c + '</span>';
html += '<span class="s' + i + '" style="color:#' + color[i-1] + '; font-size:' + fontSize + 'px; text-shadow:0px 0px 10px #' + color[i-1] + ';">' + c + '</span>';
}
html += '</div>';
$('#divList').append(html);
} function run()
{
var x = rand(0, 100);
if (x < 100)
{
add();
}
$('#spanCount').html($('.divText').size()); $('.divText').each(function(){
var y = $(this).css('bottom');
y = parseInt(y);
y -= $(this).find('span').eq(0).height();
$(this).css('bottom', '' + y + 'px');
if (y + $(this).height() <= 0)
{
$(this).remove();
return;
}
$(this).find('span').each(function(){
var c = rand(33, 127);
var c = String.fromCharCode(c);
$(this).html(c);
});
}); window.setTimeout(run, 100);
}
run();
</script>
</body>
</html>