15"></a><span class="lineno">  515</span>&#160;</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;        <span class="comment">// tell GL we want it to use this texture </span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;        <span class="keywordflow">if</span> (_textures.size())</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;            glBindTexture(GL_TEXTURE_3D, _textures[0]);</div>
<div cl