32、一个下雨的背景代码

32、一个下雨的背景代码

<STYLE>.drop {

       FONT-SIZE: 40px; FILTER: flipV(), flipH(); WIDTH: 3px; COLOR: blue; POSITION: absolute

}

</STYLE>

 

<SCRIPT language=javascript>

 

//Rain/Snow effect- By Craig Blanchette Craiga.topcities.com

//Script featured on Dynamic Drive

//Visit http://www.dynamicdrive.com for this script and more

 

snow = false;    // false-rain;   true-snow

snowsym = " * "  //These are the symbols for each

rainsym = " ' "  //You can put images here.

howmany = 10     //How many drops/snowflakes?

 

/**************Do not need to change anything below***********/

if(snow){sym = snowsym; speed=1; angle=10; drops=howmany}

else{sym = rainsym; speed=50; drops=howmany; angle=6}

movex = -speed/angle; movey = speed; count = 0;

 

function moverain(){

for(move = 0; move < drops; move++){

xx[move]+=movex;  yy[move]+=mv[move];

hmm = Math.round(Math.random()*1);

if(xx[move] < 0){xx[move] = maxx+10;}

if(yy[move] > maxy){yy[move] = 10;}

drop[move].left = xx[move]

drop[move].top = yy[move]+document.body.scrollTop;

}setTimeout('moverain()','1')}

 

</SCRIPT>

<BGSOUND src="" loop=infinite></HEAD>

<body bgcolor="#000000">

 

 

 

<DIV align=center>

<CENTER>

<TABLE cellSpacing=0 cellPadding=0 width=700 border=0>

 

 

</CENTER></DIV>

<SCRIPT language=javascript>

 

if (document.all){

drop = new Array(); xx = new Array(); yy = new Array(); mv = new Array()

ly = "document.all[\'"; st = "\'].style"

for(make = 0; make < drops; make++){

document.write('<div id="drop'+make+'" class=drop>'+sym+'</div>');

drop[make] = eval(ly+'drop'+make+st);

maxx = document.body.clientWidth-40

maxy = document.body.clientHeight-40

xx[make] = Math.random()*maxx;

yy[make] = -100-Math.random()*maxy;

drop[make].left = xx[make]

drop[make].top = yy[make]

mv[make] = (Math.random()*5)+speed/4;

drop[make].fontSize = (Math.random()*10)+20;

if(snow){col = 'white'}else{col = 'silver'}

drop[make].color = col;

}

window.onload=moverain

}

</SCRIPT>

 

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