meter-title">Parameters</h4>
		
		<dl class="argument-def parameter-def">
			<dt><em>block</em></dt>
			<dd><p>Block object that should get invoked with each Drawable Node.</p></dd>
		</dl>
		
	</div>
	
	
	
	
	
	
	
	<div class="method-subsection discussion-section">
		<h4 class="method-subtitle">Discussion</h4>
		<p>Preferably, nodes are enumerated in an order that makes rendering efficient, e.g. ordered by the Material, invisible Nodes or ones outside current camera&rsquo;s frustum skipped, etc.</p><p>Node