="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="keyword">class </span>btCollisionShape;</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="keyword">class </span>btCollisionObject;</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</s