="../../../Bool.html">Bool</a></code></h3><div class="doc"><div class="javadoc inline-content">Available since <p>2.1.0</p>.</div></div></div></div><h3 class="section">Methods</h3><div class="fields"><div class="field "><a name="add"></a><h3 class="anchor"><code><a href="#add"><span class="identifier">add</span></a>(<span style="white-space:nowrap">thing:<a class="type" title="flixel.FlxObject - This is the base class for most of the display objects (FlxSprite, FlxText, etc)." href="../../../flixel/FlxObjec