an><span>(</span><span class="identifier">pow</span><span>(</span><span class="number-literal">1.0f</span><span> - </span><span class="identifier">e</span><span>.</span><span class="identifier">y</span><span>, </span><span class="number-literal">2.0f</span><span>), </span><span class="number-literal">1.0f</span><span> - </span><span class="identifier">e</span><span>.</span><span class="identifier">y</span><span>, </span><span class="number-literal">0.6f</span><span> + (</span><span class="number-literal">1.