用js脚本来模拟一个逼真的3D旋转特效，几个亮点不停旋转貌似一个光圈，看起来很漂亮。
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<title>js模拟3D旋转特效_武鸣人</title>
<style type="text/css">
* { font-size:12px; font-weight:normal; font-family:Arial; padding:0px; margin:0px; }
body { border-style:none; overflow:hidden; background-color:black; /*#3A6EA5;*/ padding:0px; margin:0px; }
.chr { position:absolute; }
.block { position:absolute; text-align:center; font-size:20px; font-weight:bold; }
#out { position:absolute; right:0px; top:0px; font-size:24px; height:30px; line-height:30px; padding:0px 20px; color:white; }
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<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
<script language="javascript">
var glbObj, sIndex;
var x0, y0, z0, d0, r0;
var step = 0.02;
var frames_count = 0;
function move(x, y, z){
var k, x, y, d, c;
this.x = x;
this.y = y;
this.z = z;
k = (z0-z) / z0;
c = parseInt(k*160).toString(16);
if(c.length<2)c = "0"+c;
this.style.fontSize = d0 * k;
this.style.left = x * k + x0;
this.style.top = y * k + y0;
this.style.color = c + c + c;
this.style.zIndex = z0 - z;
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function createString(str){
var obj, chr;
obj = document.createElement("div");
for(var i=0; i<str.length; i++){
chr = document.createElement("div");
chr.move = move;
chr.style.position = "absolute";
chr.innerText = str.charAt(i);
obj.appendChild(chr);
}
return(obj);
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
window.onload = function(){
var obj;
x0 = window.document.body.clientWidth / 2;
y0 = window.document.body.clientHeight / 2;
z0 = 600;
d0 = 30;
r0 = 90;
obj = createString((new Array(50)).join(unescape("%u2022")));
document.body.appendChild(obj);
for(var i=0; i<obj.childNodes.length; i++){
obj.childNodes[i].move(Math.cos(i/4.5)*r0,i,Math.sin(i/4.5)*r0);
}
glbObj = obj;
setTimeout(rotate);
setInterval(out_put, 1000);
ymouse = y0-90;
xmouse = x0;
}
function rotate(){
var chr, angle, r;
for(var i=0; i<glbObj.childNodes.length; i++){
chr = glbObj.childNodes[i];
angle = Math.atan(chr.z/chr.x)+(chr.x<0?Math.PI:0) + step;
//r = Math.sqrt(chr.x*chr.x + chr.z*chr.z);
chr.move(Math.cos(angle)*r0,chr.y,Math.sin(angle)*r0);
}
frames_count++;
setTimeout(rotate);
}
function out_put(){
document.getElementById("out").innerHTML = "刷新率：" + frames_count + " 帧/秒";
frames_count = 0;
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
</script>
<div id="out"></div>
</body>
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