(enterer, fromX, fromY)</strong>
    </dt>
    <dd>
    Calls the enter() function of a feature, if it has one.


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">enterer</span>
         Creature. The creature entering the feature's tile.
        </li>
        <li><span class="parameter">fromX</span>
         Number. The x-coordinate the creature is coming from
        </li>
        <li><span class="parameter">fromY</span>
         Number. The y-coordinate the creature is coming from
  