058"></a><span class="lineno">   58</span>    btCollisionShape* shape = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>    btCollisionObject* trigger = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>    void (*activation_callback)(<a class="code hl_class"