class="paramname">motion</td><td>the motion that current node executes </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>jump node </dd></dl>
<div class="fragment"><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;{</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keyword">auto</span> new_point = point + motion;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  n