 href="Vector2.html">Vector2</a></span> |<wbr> <span class="param-type">number</span></td><td class="attributes">&lt;optional><br></td><td class="default"></td><td class="description last"><p>Radius of circle if float, rectangle size if Vector2</p></td></tr><tr><td class="name"><code>callbackFunction</code></td><td class="type"><span class="param-type">function</span></td><td class="attributes">&lt;optional><br></td><td class="default"></td><td class="description last"><p>Calls this function on every object