From 7c45b837d89253936b031026295624345169644f Mon Sep 17 00:00:00 2001
From: Tamas Gal <himself@tamasgal.com>
Date: Tue, 2 Jul 2024 20:16:08 +0200
Subject: [PATCH] Revert impact angle acos

---
 src/physics.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/physics.jl b/src/physics.jl
index b9aa56f2..e8084b81 100644
--- a/src/physics.jl
+++ b/src/physics.jl
@@ -36,7 +36,7 @@ function cherenkov(track, pos::Position; dir::Union{Direction,Missing}=missing,
     Δt = t - _t
     _pos = V - (d_track * track.dir)
     _dir = normalize(_pos)
-    impact_angle = ismissing(dir) ? NaN : acos(_dir â‹… dir)
+    impact_angle = ismissing(dir) ? NaN : _dir â‹… dir
     CherenkovPhoton(
         d_closest,
         d_photon,
-- 
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