canrun
<!doctype html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title>mathematic is so beautifull!</title> <meta name="author" content="hongru.chen" /> <style type="text/css"> body, .screen { overflow:hidden; width:200px; height:200px; position:absolute; margin:0; padding:0} #screen {border:1px #000 solid;} #screen a {position:absolute; font-size:12; overflow:hidden; padding:0px 0px; font-weight:bold;} #screen a:hover {border: 1px solid #ccc; background:#666} </style> <script type="text/javascript"> var BeautifullMath = function() { var obj = [], xm = 0, ym = 0, axe = 0, aye = 0, parts = 50, scr, aArr, txe, tye, nw, nh; var colorArr = ['black', 'blue', 'red', 'green', 'yellow']; var addEvent = function(o, e, f) { window.addEventListener ? o.addEventListener(e, f, false) : o .attachEvent('on' + e, function() { f.call(o) }) } var resize = function() { nw = scr.offsetWidth * .4; nh = scr.offsetHeight * .5; } var init = function(id, f) { scr = document.getElementById(id); aArr = document.getElementsByTagName('a'); addEvent(document, 'mousemove', function(e) { e = e || window.event; xm = e.clientX; ym = e.clientY; }); resize(); addEvent(window, 'resize', resize); __init(f); setInterval(run, 16); } var __init = function(f) { for (var i = 0; i < aArr.length; i++) { var o = {}; o.p = aArr[i]; o.p.style.color = colorArr[Math.round(Math.random() * 4)]; var r = i / parts, j, a, b; j = i % parts; a = Math.floor(j) / 200 + (Math.floor(j / 2) % 10) / 5 * Math.PI * 2; b = Math.acos(-0.9 + (j % 4) * 0.6); r = !!f ? f(r) : r - r * r + .5; var sbr = Math.sin(b) * r; o.x = Math.sin(a) * sbr; o.y = Math.cos(a) * sbr; o.z = Math.cos(b) * r; obj.push(o); o.transform = function() { var ax = .02 * txe, ay = .02 * tye, cx = Math.cos(ax), sx = Math .sin(ax), cy = Math.cos(ay), sy = Math.sin(ay); // rotation var z = this.y * sx + this.z * cx; this.y = this.y * cx + this.z * -sx; this.z = this.x * -sy + z * cy; this.x = this.x * cy + z * sy; // 3d var scale = 1 / (1 + this.z), x = this.x * scale * nh + nw - scale * 2, y = this.y * scale * nh + nh - scale * 2; // set style var p = this.p.style; if (x >= 0 && y >= 0 && x < nw * 2 && y < nh * 2) { var c = Math.round(256 + (-this.z * 256)); p.left = Math.round(x) + 'px'; p.top = Math.round(y) + 'px'; p.fontSize = Math.round(12 * scale) + 'px'; p.zIndex = 200 + Math.floor(-this.z * 100); p.opacity = .6 - this.z; p.filter = 'alpha(opacity=' + 100 * (.6 - this.z) + ')'; } else p.width = "0px"; } } } // run function var run = function() { var se = 1 / nh; txe = (ym - axe) * se; tye = (xm - aye) * se; axe += txe; aye += tye; /* ---- anim particles ---- */ for (var i = 0, o; o = obj[i]; i++) o.transform(); } return { init : init } }(); onload = function() { BeautifullMath.init('screen', function(r) { return .5; }); } </script></head> <body> <div id="screen" class="screen"> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">前端</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">特效</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">算法</a> <a href="http://www.cnblogs.com/hongru/">架构</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> <a href="http://www.cnblogs.com/hongru/">岑安</a> </div> </body> </html>