非常酷的函数画图效果

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非常酷的函数画图效果

[ 发布者：肥鱼 | 来源：无忧脚本-51JS.COM | 时间：2005-11-20 | 浏览：人次 ]

<html>
<head>
<title>网页特效|JcwCn.Com/Js|---非常酷的函数画图效果</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>

<script language="javascript"> 
count = 40 
colorAdder = 255/count 
scaleSize = 3 
var speed = [] 
var n = 0 
for(b=0;b!=count+1;b++){ 
a = count - b 
speed[b] = Math.cos(b/100) 
document.write('<OBJECT ID="RDS" CLASSID="CLSID:369303C2-D7AC-11D0-89D5-00A0C90833E6" STYLE="position:absolute;top:0;left:0;width:350;height:350"><PARAM NAME="Line0001" VALUE="SetLineStyle(1)"><PARAM NAME="Line0002" VALUE="SetFillStyle(1)"><PARAM NAME="Line0003" VALUE="SetLineColor('+(b*colorAdder)+','+((b/2)*colorAdder)+','+0+')"><PARAM NAME="Line0004" VALUE="SetFillColor('+(a*colorAdder)+','+((a/2)*colorAdder)+','+0+')"><PARAM NAME="Line0005" VALUE="Rect('+(-(a/2)*(scaleSize/2))+', '+(-(a*2)*(scaleSize/2))+', '+(a*scaleSize)+', '+(a*scaleSize)+', 0)"></OBJECT>') 
} 
function DoStuff(){ 
n+=0.01 
var tempval2 = speed.slice(1,speed.length) 
speed = tempval2.concat([Math.cos(n)*50]) 

for(a=0;a!=count+1;a++){ 
RDS[a].Rotate(0,0,speed[a]/2) 
} 
} 
setInterval("DoStuff()",10) 
</script>

</body>
</html>

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