/** * jquery.snow - jQuery Snow Effect Plugin * * Available under MIT licence * * @version 1 (21. Jan 2012) * @author Ivan Lazarevic * @requires jQuery * @see http://workshop.rs * * @params minSize - min size of snowflake, 10 by default * @params maxSize - max size of snowflake, 20 by default * @params newOn - frequency in ms of appearing of new snowflake, 500 by default * @params flakeColor - color of snowflake, #FFFFFF by default * @example $.fn.snow({ maxSize: 200, newOn: 1000 }); */ (function($){ $.fn.snow = function(options){ var $flake = $('
').css({'position': 'absolute', 'top': '-50px'}).html('❄'), documentHeight = $(document).height(), documentWidth = $(document).width(), defaults = { minSize : 10, maxSize : 20, newOn : 500, flakeColor : "#FFFFFF" }, options = $.extend({}, defaults, options); var interval = setInterval( function(){ var startPositionLeft = Math.random() * documentWidth - 100, startOpacity = 0.5 + Math.random(), sizeFlake = options.minSize + Math.random() * options.maxSize, endPositionTop = documentHeight - 40, endPositionLeft = startPositionLeft - 100 + Math.random() * 200, durationFall = documentHeight * 10 + Math.random() * 5000; $flake .clone() .appendTo('body') .css( { left: startPositionLeft, opacity: startOpacity, 'font-size': sizeFlake, color: options.flakeColor } ) .animate( { top: endPositionTop, left: endPositionLeft, opacity: 0.2 }, durationFall, 'linear', function() { $(this).remove() } ); }, options.newOn); }; })(jQuery);

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