From 7f467f304e6bae01b45e55465507afd97e165fec Mon Sep 17 00:00:00 2001
From: Paul Romano <paul.k.romano@gmail.com>
Date: Mon, 3 Jun 2024 11:34:37 -0500
Subject: [PATCH] Make sure direction is set when checking source spatial
 constraints (#3022)

---
 src/source.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/source.cpp b/src/source.cpp
index 405de998c89..15fe8433ba5 100644
--- a/src/source.cpp
+++ b/src/source.cpp
@@ -211,6 +211,7 @@ bool Source::satisfies_spatial_constraints(Position r) const
 {
   GeometryState geom_state;
   geom_state.r() = r;
+  geom_state.u() = {0.0, 0.0, 1.0};
 
   // Reject particle if it's not in the geometry at all
   bool found = exhaustive_find_cell(geom_state);