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<html> <head> <title>JS跟随鼠标旋转的图片丨Daniel wellington</title> <script> <!-- Beginning of JavaScript - var x,y var step=5 var flag=1 var pause var timersmall var timerbig var isbigcircle=1 var pause=50 var bigradius var smallradius=50 var startwinkel=1 var imgnumber=12 var imgsrc="/images/7caidy.ico" var xcenter var xcenter var pi= Math.PI function onresizer() { clearTimeout(timerbig) clearTimeout(timersmall) initiate() } function initiate() { var initiatetimer=setTimeout("initiate2()",2000) } function initiate2() { if (document.layers) { xcenter=Math.floor(screen.width/2) ycenter=Math.floor(window.innerHeight/2) } if (document.all) { xcenter=Math.floor(document.body.clientWidth/2) ycenter=Math.floor(document.body.clientHeight/2) } bigradius=ycenter bigcircle() } function handlerMM(e){ x = (document.layers) ? e.pageX : event.clientX y = (document.layers) ? e.pageY : event.clientY flag=1 } function bigcircle() { if (isbigcircle==1) { if (document.all) { for (i=1; i<=imgnumber; i++) { var thisspan = eval("document.all.span"+(i)+".style") thisspan.posLeft=((xcenter-20)*Math.cos(startwinkel*(pi/180)))+xcenter thisspan.posTop=((ycenter-20)*Math.sin(startwinkel*(pi/180)))+ycenter startwinkel=startwinkel+30 } } if (document.layers) { for (i=1; i<=imgnumber; i++) { var thisspan = eval("document.span"+i) thisspan.left=((xcenter-150)*Math.cos(startwinkel*(pi/180)))+(xcenter-145) thisspan.top=((ycenter-20)*Math.sin(startwinkel*(pi/180)))+ycenter startwinkel=startwinkel+30 } } step=step+5 startwinkel=step timerbig=setTimeout("bigcircle()",pause) } else { isbigcircle=0 clearTimeout(timerbig) } } function presmallcircle() { isbigcircle=0 clearTimeout(timerbig) smallcircle() } function prebigcircle() { isbigcircle=1 clearTimeout(timersmall) bigcircle() } function smallcircle() { if (isbigcircle==0) { if (document.all) { for (i=1; i<=imgnumber; i++) { var thisspan = eval("document.all.span"+(i)+".style") thisspan.posLeft=(smallradius*Math.cos(startwinkel*(pi/180)))+x thisspan.posTop=(smallradius*Math.sin(startwinkel*(pi/180)))+y startwinkel=startwinkel+30 } } if (document.layers) { for (i=1; i<=imgnumber; i++) { var thisspan = eval("document.span"+i) thisspan.left=(smallradius*Math.cos(startwinkel*(pi/180)))+x thisspan.top=(smallradius*Math.sin(startwinkel*(pi/180)))+y startwinkel=startwinkel+30 } } step=step+5 startwinkel=step timersmall=setTimeout("smallcircle()",pause) } else { isbigcircle=0 clearTimeout(timersmall) } } window.onoad=initiate() // - End of JavaScript - --> </script> <style> .spanstyle { position:absolute; visibility:visible; top:-50px; font-size:10pt; font-family:Verdana; color:FF0000 } .explain { position:absolute; top:40px; left:10px; width:560px; color: 000000; text-align:center; font-size:9pt; font-family:Arial; font-weight:bold; } A { font-family: Arial,Helvetica,sans-serif; color: #000000; text-decoration:underline } A:visited { color: #000000; } </style> </head> <body bgcolor="#FFFFFF"> <p align="center"> </p> <script> <!-- Beginning of JavaScript - for (i=1;i<=imgnumber;i++) { document.write("<span id=‘span"+i+"‘ class=‘spanstyle‘>") document.write("<img src=‘"+imgsrc+"‘>") document.write("</span>") } if (document.layers){ document.captureEvents(Event.MOUSEMOVE); } document.onmousemove = handlerMM; document.onresize = onresizer; // - End of JavaScript - --> </script> <div id="source" class="explain" style="left: 111px; top: 143px"><a href="#nogo" onMouseOver="presmallcircle()" onMouseOut="prebigcircle()"> <p>快把鼠标指向这个！看一下是不是很棒的效果！</p> </a> </div> <p><br> <br> </p> <p> </p> <p> </p> <p> </p> <p> </p> <p align="center" style="line-height: 20px"><font color="#666666"><span style="font-size: 9pt"><br> </span></font><span style="font-size: 9pt"><br> </span></p> <span style="font-size: 9pt"> <p align="center" style="line-height: 20px"> <font face="Arial, Helvetica, sans-serif" color="#666666"></font> </p> </span></body> </html> <br><br><hr>
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原文地址：http://www.cnblogs.com/youtianxia/p/4722704.html
