p">?randomLambda:()&nbsp;&#8209;&gt;&nbsp;<a class="type" title="Float - The standard Float type, this is a double-precision IEEE 64bit float." href="../../Float.html">Float</a></span>):<a class="type" title="Void - The standard Void type." href="../../Void.html">Void</a></code></h3><div class="doc"><p>Set custom tile mapping and/or randomization rules prior to loading. This MUST be called BEFORE loadMap().
WARNING: Using this will cause your maps to take longer to load. Be careful using this in very large 