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// jSnow, a jQuery Plugin v1.1.mod2 // Licensed under GPL licenses. // Copyright (C) 2009 Nikos "DuMmWiaM" Kontis, dummwiam@gmail.com // http://www.DuMmWiaM.com/jSnow // Modified 2009~ // Updated in 2009 by Shadowmint (http://shadowmint.blogspot.com/) // Updated in 2010 by Serban Boanca (http://www.dj50.ro/) (function ($) { $.fn.jSnow = function (h) { var j = $.extend({}, $.fn.jSnow.defaults, h); var k, WIN_HEIGHT; var l = j.flakes; var m = j.flakeCode; var n = j.flakeColor; var o = j.flakeMinSize; var p = j.flakeMaxSize; var q = j.fallingSpeedMin; var r = j.fallingSpeedMax; var s = j.interval; var t = j.zIndex; var vs = j.vSize; var fa = j.fadeAway; var fs = j.followScroll; setWaH(); var useGif = false; if ($.browser.msie && (parseFloat($.browser.version) < 8)) useGif = true; if ($.browser.msie && (parseFloat($.browser.version) < 8) && t == "auto") t = 0; var u = $("

"); u.css({ width: k + "px", height: 1, display: "block", overflow: "visible", position: "absolute", left: "1px", zIndex: t }); if (fs) { u.css('top',$("html").scrollTop() + 1 + "px"); } else { u.css='1px'; } $("body").prepend(u).css({ height: "100%" }); $("html").css({ "overflow-y": "scroll", "overflow-x": "hidden" }); var v = Array(); generateFlake(l, false); setInterval(animateFlakes, s); window.onresize = setWaH; function setWaH() { k = $('body').width(); if (!vs) { WIN_HEIGHT = window.innerHeight || document.documentElement.clientHeight WIN_HEIGHT -= 50; } else WIN_HEIGHT = vs; }; if (fs) { window.onscroll = function () { u.css({ top: $("html").scrollTop() + "px" }) }; } function generateFlake(a, b) { a = a || 1; b = b || false; var i = 0; for (i = 0; i < a; i++) { var c = $(""); var d = o + Math.floor(Math.random() * p); var e = m[Math.floor(Math.random() * m.length)]; if (e.indexOf(".gif") != -1 || e.indexOf(".png") != -1) { var f = new Image(); if (useGif) e = e.replace("png", "gif"); f.src = e; e = "

" } c.html(e).css({ color: n[Math.floor(Math.random() * n.length)], fontSize: d + "px", display: "block", position: "absolute", cursor: "default", "z-index": t }); $(u).append(c); f_left = Math.floor(Math.random() * (k - c.width() - 50)) + 25; f_top = (b) ? -1 * c.height() : Math.floor(Math.random() * (WIN_HEIGHT - 50)); var g = Math.floor(Math.random() * 90); jQuery.data(c, "posData", { top: f_top, left: f_left, rad: Math.random() * 50, i: Math.ceil(q + Math.random() * (r - q)), swingRange: g }); c.css({ top: f_top + "px", left: f_left + "px" }); v.push(c) } }; function animateFlakes() { var i = 0; for (i = v.length - 1; i >= 0; i--) { var f = v[i]; var a = jQuery.data(f, "posData"); a.top += a.i; var b = Number(); b = Math.cos((a.rad / 180) * Math.PI); a.rad += 2; var X = a.left - b * a.swingRange; if (fa) { op=(WIN_HEIGHT - a.top < 100) ? ((WIN_HEIGHT - a.top) / 100) : 1; f.css('opacity',op); } f.css({ top: a.top + "px", left: X + "px" }); if (a.top > WIN_HEIGHT) { jQuery.removeData(f); f.remove(); v.splice(i, 1); generateFlake(1, true) } } }; return this }; $.fn.jSnow.defaults = { flakes: 30, fallingSpeedMin: 1, fallingSpeedMax: 3, flakeMaxSize: 20, flakeMinSize: 10, flakeCode: ["•"], flakeColor: ["#fff"], zIndex: "auto", interval: 50 } })(jQuery);

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