message: Don't arbitrarily clip at t=0
diff: @@ -52,9 +52,7 @@ VSNRAY_FUNC
  auto is_closer(HR const& query, HR const& reference)
  -> decltype(query.t < reference.t)
  {
  - using T = decltype(query.t);
  -
  - return query.hit && ( query.t >= T(0.0) && query.t < reference.t );
  + return query.hit && query.t < reference.t;
  }
  // query is box, reference is general primitive
  @@ -64,7 +62,7 @@ VSNRAY_FUNC
  auto is_closer(hit_record<R, basic_aabb<T>> const& query, HR const& reference)
  -> decltype(query.tnear < reference.t)
  {
  - return query.hit && query.tnear < reference.t && query.tfar >= T(0.0);
  + return query.hit && query.tnear < reference.t;
  }
  