o">   67</span>&#160;        <span class="keyword">virtual</span> Vec2d findClosestPoint(<span class="keyword">const</span> Vec2d &amp;pnt) <span class="keyword">override</span>;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160; </div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keyword">virtual<