Merge branch 'gh-pages' of https://github.com/parkjs814/AlgorithmVisualizer into gh-pages

js/module/directed_graph.js

@@ -111,7 +111,7 @@ DirectedGraphTracer.prototype = $.extend(true, Object.create(Tracer.prototype),
 
         var wgap = 1 / (maxDepth - 1);
         var dfs = function (node, depth, top, bottom) {
-            place(node, depth * wgap, (top + bottom) / 2);
+            place(node, top + bottom, depth * wgap);
             var children = 0;
             for (var i = 0; i < G[node].length; i++) {
                 if (G[node][i]) children++;

js/script.js

@@ -239,11 +239,11 @@ $.getJSON('./algorithm/category.json', function (data) {
     for (var category in list) {
         (function (category) {
             var $category = $('<button class="category">')
-                .append('<i class="fa fa-fw fa-caret-down">')
+                .append('<i class="fa fa-fw fa-caret-right">')
                 .append(list[category].name);
             $category.click(function () {
                 $('[data-category="' + category + '"]').toggleClass('collapse');
-                $(this).find('i.fa').toggleClass('fa-caret-down fa-caret-right');
+                $(this).find('i.fa').toggleClass('fa-caret-right fa-caret-down');
             });
             $('#list').append($category);
             var subList = list[category].list;