rtAngle (<span class="keywordtype">float</span> val);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">float</span> getStartAngle ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> startAngle; }</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="key