From 7fd9bfd5946472230a3b74c52f88e19c15741faf Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Mon, 1 Jun 2026 17:21:44 +0200
Subject: I seem to have no clue what I'm doing

---
 lib/core/c++/collision.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib/core/c++/collision.hpp')

diff --git a/lib/core/c++/collision.hpp b/lib/core/c++/collision.hpp
index 9c76c1a..023f61f 100644
--- a/lib/core/c++/collision.hpp
+++ b/lib/core/c++/collision.hpp
@@ -146,7 +146,8 @@ public:
 
 		saw::data<sch::Scalar<T>> half;
 		half.at({}).set(0.5);
-		saw::data<sch::Vector<T,Descriptor::D>> vel = vel_f.at(index) + total_force * ( half / rho );
+		auto& vel = vel_f.at(index);
+		vel = vel + total_force * ( half / rho );
 
 		compute_rho_u<T,Descriptor>(dfs_old_f.at(index),rho,vel);
 		auto eq = equilibrium<T,Descriptor>(rho,vel);
-- 
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