3</span><span>, </span><span class="identifier">dir</span><span>: </span><span class="identifier">vec3</span><span>): </span><span class="type-name">Float</span><span> =
        </span><span class="keyword">var</span><span> </span><span class="identifier">tm</span><span>: </span><span class="type-name">Float</span><span> = </span><span class="number-literal">0.0f</span><span>
        </span><span class="keyword">var</span><span> </span><span class="identifier">tx</span><span>: </span><span class="type-name"