df89aee88662aac4caca3f9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Detects if there is a collision between the particle and the wall.  <br /></td></tr>
<tr class="separator:a5cdc5b7bedf89aee88662aac4caca3f9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2fe5e5d4ff50aaefc2eba2d791a24c15" id="r_a2fe5e5d4ff50aaefc2eba2d791a24c15"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a2fe5e5d4ff50