Added Group.countActive

Author: photonstorm

v3/src/gameobjects/group/Group.js

@@ -344,13 +344,15 @@ var Group = new Class({
         }
     },
 
-    getTotalUsed: function ()
+    countActive: function (value)
     {
+        if (value === undefined) { value = true; }
+
         var total = 0;
 
         for (var i = 0; i < this.children.size; i++)
         {
-            if (this.children.entries[i].active)
+            if (this.children.entries[i].active === value)
             {
                 total++;
             }
@@ -359,6 +361,11 @@ var Group = new Class({
         return total;
     },
 
+    getTotalUsed: function ()
+    {
+        return this.countActive();
+    },
+
     getTotalFree: function ()
     {
         var used = this.getTotalUsed();