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非常不错的页面特效建议大家看下_典型特效

WBOYOriginal: 2016-05-16 19:12:491386browse

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精灵'S blog

<script> <BR>var r; <BR>var a; <BR>var ai; <BR>var n; <BR>var w; <BR>var k; <BR>var inter; <BR>var period=20000; <BR>var dur; <BR>var hdur2; <BR>var hdur; <BR>var z; <BR>var nn; <BR>var donut; <BR>var time; <BR>var id = new Array(); <BR>for(i=0;i<100;i++){ <BR> id[i]=document.getElementById('ik'+i); <BR>} <br><br>function again(){ <BR> if(id){ <BR> for(i=0;i<100;i++){ <BR> id[i].style.backgroundColor='rgb(0,0,0)'; <BR> } <BR> } <BR> r=0; <BR> a=0; <BR> ai=Math.random()/5.0-0.1; <BR> n=Math.floor(Math.random()*17)+3; <BR> w=Math.floor(Math.random()*11)+1; <BR> if(n*w>100){ <BR> n=Math.floor(n/w); <BR> } <BR> k=Math.random()*2.0+0.3; <BR> if(Math.random()<0.5) k=-k; <BR> inter=1+Math.floor(Math.random()*125); <BR> dur = Math.floor(period/inter); <BR> hdur2=dur*dur/4; <BR> hdur = dur/2; <BR> z=2*Math.PI/(n*(1+Math.random()/10)); <BR> nn=Math.floor(Math.random()*n)+1; <BR> donut=Math.random()*10.0-5.0; <BR> time=0; <BR> for(i=0;i<n*w;i++){ <BR> id[i].style.backgroundColor='rgb(' <BR> +Math.round(64+Math.random()*191)+',' <BR> +Math.round(64+Math.random()*191)+',' <BR> +Math.round(64+Math.random()*191)+')'; <BR> } <BR> hey(); <BR>} <br><br><BR>function hey(){ <BR> for(i=0;i<n*w;i++){ <BR> tt=time-hdur; <BR> blah=(Math.sqrt(hdur2-tt*tt)/dur) * (donut+65*Math.cos(k*a+z*i/nn)); <BR> L=blah*Math.cos(i*z+a); <BR> T=blah*Math.sin(i*z+a); <BR> id[i].style.left=Math.round((50+L)*10)/10+'%'; <BR> id[i].style.top =Math.round((50+T)*10)/10+'%'; <BR> id[i].style.width=Math.sqrt(4+Math.floor(L*L+T*T))+"px"; <BR> id[i].style.height=Math.sqrt(4+Math.floor(L*L+T*T))+"px"; <BR> if(Math.random()<0.01){ <BR> id[i].style.backgroundColor='rgb(' <BR> +Math.round(64+Math.random()*191)+',' <BR> +Math.round(64+Math.random()*191)+',' <BR> +Math.round(64+Math.random()*191)+')'; <BR> } <BR> } <BR> a+=ai; <BR> time++; <BR> if(time<dur){ <BR> setTimeout('hey();',inter); <BR> }else{ <BR> setTimeout('again();',inter); <BR> } <BR>} <BR>again(); <BR></script>

<title>精灵'S blog</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
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<meta content="MSHTML 6.00.3790.1830" name="GENERATOR"> 
 
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<script type="text/javascript"> 
var r; 
var a; 
var ai; 
var n; 
var w; 
var k; 
var inter; 
var period=20000; 
var dur;  
var hdur2; 
var hdur; 
var z; 
var nn; 
var donut; 
var time; 
var id = new Array(); 
for(i=0;i<100;i++){ 
    id[i]=document.getElementById('ik'+i); 
}

function again(){ 
    if(id){ 
        for(i=0;i<100;i++){ 
            id[i].style.backgroundColor='rgb(0,0,0)'; 
        } 
    } 
    r=0; 
    a=0; 
    ai=Math.random()/5.0-0.1; 
    n=Math.floor(Math.random()*17)+3; 
    w=Math.floor(Math.random()*11)+1; 
    if(n*w>100){ 
        n=Math.floor(n/w); 
    } 
    k=Math.random()*2.0+0.3; 
    if(Math.random()<0.5) k=-k; 
    inter=1+Math.floor(Math.random()*125); 
    dur = Math.floor(period/inter);  
    hdur2=dur*dur/4; 
    hdur = dur/2; 
    z=2*Math.PI/(n*(1+Math.random()/10)); 
    nn=Math.floor(Math.random()*n)+1; 
    donut=Math.random()*10.0-5.0; 
    time=0; 
    for(i=0;i<n*w;i++){ 
        id[i].style.backgroundColor='rgb(' 
            +Math.round(64+Math.random()*191)+',' 
            +Math.round(64+Math.random()*191)+',' 
            +Math.round(64+Math.random()*191)+')'; 
    } 
    hey(); 
}

function hey(){ 
    for(i=0;i<n*w;i++){ 
        tt=time-hdur; 
        blah=(Math.sqrt(hdur2-tt*tt)/dur) * (donut+65*Math.cos(k*a+z*i/nn)); 
        L=blah*Math.cos(i*z+a); 
        T=blah*Math.sin(i*z+a); 
        id[i].style.left=Math.round((50+L)*10)/10+'%'; 
        id[i].style.top =Math.round((50+T)*10)/10+'%'; 
        id[i].style.width=Math.sqrt(4+Math.floor(L*L+T*T))+"px"; 
        id[i].style.height=Math.sqrt(4+Math.floor(L*L+T*T))+"px"; 
        if(Math.random()<0.01){ 
            id[i].style.backgroundColor='rgb(' 
                +Math.round(64+Math.random()*191)+',' 
                +Math.round(64+Math.random()*191)+',' 
                +Math.round(64+Math.random()*191)+')'; 
        } 
    } 
    a+=ai; 
    time++; 
    if(time<dur){ 
        setTimeout('hey();',inter); 
    }else{ 
        setTimeout('again();',inter); 
    } 
} 
again(); 
</script> 
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