">ang</span><span>)

        </span><span class="comment">// tracing
</span><span>        </span><span class="identifier">heightMapTracing</span><span>(</span><span class="identifier">ori</span><span>, </span><span class="identifier">dir</span><span>)
        </span><span class="keyword">val</span><span> </span><span class="identifier">dist</span><span>: </span><span class="identifier">vec3</span><span>  = </span><span class="identifier">pOut</span><span> - </span><span class="identifier">ori</span><span>
 