From d1df80a210f94a9b68194310e1e540a863b2ce8c Mon Sep 17 00:00:00 2001
From: GuySten <62616591+GuySten@users.noreply.github.com>
Date: Fri, 22 Aug 2025 06:58:39 -0800
Subject: [PATCH] Leverage particle.move_distance in event advance (#3544)

---
 src/particle.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/particle.cpp b/src/particle.cpp
index a0f1d66bd5..fb41d82e95 100644
--- a/src/particle.cpp
+++ b/src/particle.cpp
@@ -247,11 +247,7 @@ void Particle::event_advance()
     std::min({boundary().distance(), collision_distance(), distance_cutoff});
 
   // Advance particle in space and time
-  // Short-term solution until the surface source is revised and we can use
-  // this->move_distance(distance)
-  for (int j = 0; j < n_coord(); ++j) {
-    coord(j).r() += distance * coord(j).u();
-  }
+  this->move_distance(distance);
   double dt = distance / speed;
   this->time() += dt;
   this->lifetime() += dt;