> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="namespacetram.html#acc61b04dbad891d3eb08e0b5eb842395">   22</a></span><span class="keyword">const</span> <a class="code hl_typedef" href="namespacetram.html#a632d9fcf54e995edd8c66e25cb7c1891">vec3</a> <a class="code hl_function" href="namespacetram.html#acc61b04dbad891d3eb08e0b5eb842395">DIRECTION_FORWARD</a>    (0.0f,  0.0f, -1.0f);</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lin