an>,</span> <span style="white-space:nowrap">sy:<span class="type">Float</span>,</span> <span style="white-space:nowrap">r:<span class="type">Float</span>,</span> <span style="white-space:nowrap">t:<span class="type">Tile</span></span>):<span class="type">Void</span></code></h3><div class="doc"><p></p></div></div><div class="field "><a name="clear"></a><h3 class="anchor"><code><a href="#clear"><span class="identifier">clear</span></a> ():<span class="type">Void</span></code></h3><div class="doc"><p></p></di