<p>Sweet. It works! About 700 lines of Rust spread across 10 files--adapted from the original material presented in C++. This could be you. (<a href="https://dabeaz.com/raytrace.html" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="">dabeaz.com/raytrace.html</span><span class="invisible"></span></a>).</p>