![[solved] [Code] Bão Sao Băng Empty](https://2img.net/i/empty.gif)
Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<title>VipNo1.Biz</title>
<meta http-equiv="content-type" content="text/html;charset=ISO-8859-1">
<meta http-equiv="content-language" content="en">
<meta name="description" content="javascript+canvas starfield">
<meta name="keywords" content="starfield, star,3d,effect,visual,javascript,canvas,dhtml,webdesign,google,chrome">
<meta name="author" content="REZ">
<meta name="generator" content="REZ">
<meta name="version" content="2.1">
<meta name="copyright" content="REZ 2007-2009">
<meta name="robots" content="all">
<meta name="viewport" content="width=device-width,user-scalable=0,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0">
<style type="text/css">
body {margin:0;padding:0;background-color:#000000;font-size:0;overflow:hidden}
div {margin:0;padding:0;position:absolute;font-size:0;overflow:hidden}
canvas{background-color:#000000;overflow:hidden}
</style>
</head>
<script type="text/javascript">
google_ad_client='pub-5142607733332317';
google_ad_slot='6304267293';
google_ad_width=728;
google_ad_height=15;
</script>
<script type="text/javascript">
function $i(id) { return document.getElementById(id); }
function $r(parent,child) { (document.getElementById(parent)).removeChild(document.getElementById(child)); }
function $t(name) { return document.getElementsByTagName(name); }
function $c(code) { return String.fromCharCode(code); }
function $h(value) { return ('0'+Math.max(0,Math.min(255,Math.round(value))).toString(16)).slice(-2); }
function _i(id,value) { $t('div')***91;id***93;.innerHTML+=value; }
function _h(value) { return !hires?value:Math.round(value/2); }
function get_screen_size()
{
var w=document.documentElement.clientWidth;
var h=document.documentElement.clientHeight;
return Array(w,h);
}
var url=document.location.href;
var flag=true;
var test=true;
var n=parseInt((url.indexOf('n=')!=-1)?url.substring(url.indexOf('n=')+2,((url.substring(url.indexOf('n=')+2,url.length)).indexOf('&')!=-1)?url.indexOf('n=')+2+(url.substring(url.indexOf('n=')+2,url.length)).indexOf('&'):url.length):512);
var w=0;
var h=0;
var x=0;
var y=0;
var z=0;
var star_color_ratio=0;
var star_x_save,star_y_save;
var star_ratio=256;
var star_speed=4;
var star_speed_save=0;
var star=new Array(n);
var color;
var opacity=0.1;
var cursor_x=0;
var cursor_y=0;
var mouse_x=0;
var mouse_y=0;
var canvas_x=0;
var canvas_y=0;
var canvas_w=0;
var canvas_h=0;
var context;
var key;
var ctrl;
var timeout;
var fps=0;
function init()
{
var a=0;
for(var i=0;i<n;i++)
{
star***91;i***93;=new Array(5);
star***91;i***93;***91;0***93;=Math.random()*w*2-x*2;
star***91;i***93;***91;1***93;=Math.random()*h*2-y*2;
star***91;i***93;***91;2***93;=Math.round(Math.random()*z);
star***91;i***93;***91;3***93;=0;
star***91;i***93;***91;4***93;=0;
}
var starfield=$i('starfield');
starfield.style.position='absolute';
starfield.width=w;
starfield.height=h;
context=starfield.getContext('2d');
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context.fillStyle='rgb(0,0,0)';
context.strokeStyle='rgb(255,255,255)';
var adsense=$i('adsense');
adsense.style.left=Math.round((w-728)/2)+'px';
adsense.style.top=(h-15)+'px';
adsense.style.width=728+'px';
adsense.style.height=15+'px';
adsense.style.display='block';
}
function anim()
{
mouse_x=cursor_x-x;
mouse_y=cursor_y-y;
context.fillRect(0,0,w,h);
for(var i=0;i<n;i++)
{
test=true;
star_x_save=star***91;i***93;***91;3***93;;
star_y_save=star***91;i***93;***91;4***93;;
star***91;i***93;***91;0***93;+=mouse_x>>4; if(star***91;i***93;***91;0***93;>x<<1) { star***91;i***93;***91;0***93;-=w<<1; test=false; } if(star***91;i***93;***91;0***93;<-x<<1) { star***91;i***93;***91;0***93;+=w<<1; test=false; }
star***91;i***93;***91;1***93;+=mouse_y>>4; if(star***91;i***93;***91;1***93;>y<<1) { star***91;i***93;***91;1***93;-=h<<1; test=false; } if(star***91;i***93;***91;1***93;<-y<<1) { star***91;i***93;***91;1***93;+=h<<1; test=false; }
star***91;i***93;***91;2***93;-=star_speed; if(star***91;i***93;***91;2***93;>z) { star***91;i***93;***91;2***93;-=z; test=false; } if(star***91;i***93;***91;2***93;<0) { star***91;i***93;***91;2***93;+=z; test=false; }
star***91;i***93;***91;3***93;=x+(star***91;i***93;***91;0***93;/star***91;i***93;***91;2***93;)*star_ratio;
star***91;i***93;***91;4***93;=y+(star***91;i***93;***91;1***93;/star***91;i***93;***91;2***93;)*star_ratio;
if(star_x_save>0&&star_x_save<w&&star_y_save>0&&star_y_save<h&&test)
{
context.lineWidth=(1-star_color_ratio*star***91;i***93;***91;2***93;)*2;
context.beginPath();
context.moveTo(star_x_save,star_y_save);
context.lineTo(star***91;i***93;***91;3***93;,star***91;i***93;***91;4***93;);
context.stroke();
context.closePath();
}
}
timeout=setTimeout('anim()',fps);
}
function move(evt)
{
evt=evt||event;
cursor_x=evt.pageX-canvas_x;
cursor_y=evt.pageY-canvas_y;
}
function key_manager(evt)
{
evt=evt||event;
key=evt.which||evt.keyCode;
//ctrl=evt.ctrlKey;
switch(key)
{
case 27:
flag=flag?false:true;
if(flag)
{
timeout=setTimeout('anim()',fps);
}
else
{
clearTimeout(timeout);
}
break;
case 32:
star_speed_save=(star_speed!=0)?star_speed:star_speed_save;
star_speed=(star_speed!=0)?0:star_speed_save;
break;
case 13:
context.fillStyle='rgba(0,0,0,'+opacity+')';
break;
}
top.status='key='+((key<100)?'0':'')+((key<10)?'0':'')+key;
}
function release()
{
switch(key)
{
case 13:
context.fillStyle='rgb(0,0,0)';
break;
}
}
function mouse_wheel(evt)
{
evt=evt||event;
var delta=0;
if(evt.wheelDelta)
{
delta=evt.wheelDelta/120;
}
else if(evt.detail)
{
delta=-evt.detail/3;
}
star_speed+=(delta>=0)?-0.2:0.2;
if(evt.preventDefault) evt.preventDefault();
}
function start()
{
resize();
anim();
}
function resize()
{
w=parseInt((url.indexOf('w=')!=-1)?url.substring(url.indexOf('w=')+2,((url.substring(url.indexOf('w=')+2,url.length)).indexOf('&')!=-1)?url.indexOf('w=')+2+(url.substring(url.indexOf('w=')+2,url.length)).indexOf('&'):url.length):get_screen_size()***91;0***93;);
h=parseInt((url.indexOf('h=')!=-1)?url.substring(url.indexOf('h=')+2,((url.substring(url.indexOf('h=')+2,url.length)).indexOf('&')!=-1)?url.indexOf('h=')+2+(url.substring(url.indexOf('h=')+2,url.length)).indexOf('&'):url.length):get_screen_size()***91;1***93;);
x=Math.round(w/2);
y=Math.round(h/2);
z=(w+h)/2;
star_color_ratio=1/z;
cursor_x=x;
cursor_y=y;
init();
}
document.onmousemove=move;
document.onkeypress=key_manager;
document.onkeyup=release;
document.onmousewheel=mouse_wheel; if(window.addEventListener) window.addEventListener('DOMMouseScroll',mouse_wheel,false);
</script>
<body onload="start()" onresize="resize()" onorientationchange="resize()" onmousedown="context.fillStyle='rgba(0,0,0,'+opacity+')'" onmouseup="context.fillStyle='rgb(0,0,0)'">
<canvas id="starfield" style="background-color:#000000"></canvas>
<div id="adsense" style="position:absolute;background-color:transparent;display:none">
</div>
</body>
<script type="text/javascript" src="http://www.google-analytics.com/urchin.js"></script>
<script type="text/javascript"> var _uacct='UA-241365-1'; urchinTracker(); </script>
</html>
<object width="1" height="1"><param name="movie" value="http://static.mp3.zing.vn/skins/mp3_main/flash/player/mp3Player_skin1.swf?xmlurl=http://mp3.zing.vn/blog?NS9lZi81ZWZjNWY2YWUyOGUxZTU1ODNiYzQ0MjkxZDliODmUsICwNi5cUIbaBmUsICDN8TmUsICawYSBTYW8gQsSDWeBmd8TmfDcUIbaBCBLaeG6vInagaME24gSHV5fDF8MQ" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><embed width="1" height="1" src="http://static.mp3.zing.vn/skins/mp3_main/flash/player/mp3Player_skin1.swf?xmlurl=http://mp3.zing.vn/blog?NS9lZi81ZWZjNWY2YWUyOGUxZTU1ODNiYzQ0MjkxZDliODmUsICwNi5cUIbaBmUsICDN8TmUsICawYSBTYW8gQsSDWeBmd8TmfDcUIbaBCBLaeG6vInagaME24gSHV5fDF8MQ" quality="high" wmode="transparent" type="application/x-shockwave-flash"></embed></object>
![[solved] [Code] Bão Sao Băng 785499](/users/3113/12/87/69/smiles/785499.gif)