
<div class="line">        <span class="keywordtype">bool</span> find_cnt_pos;</div>
<div class="line">        tie(cnt_pos, find_cnt_pos) = GetContactPoint(cnt_dir_n);</div>
<div class="line"> </div>
<div class="line">        <span class="keywordflow">if</span> (cnt_len_n &lt; 0 || !find_cnt_pos) {</div>
<div class="line">          cnt_len_n = 0;</div>
<div class="line">          cnt_dir_n[0] = 0;</div>
<div class="line">          cnt_dir_n[1] = 0;</div>
<div class="line">          cnt_dir_n[2] = 0;</div>
<