From ebf4482d5b481a5c5d538e9d71c1864d218aaf6c Mon Sep 17 00:00:00 2001
From: liangjg <liangjg2008@gmail.com>
Date: Thu, 28 Mar 2019 16:59:45 -0400
Subject: [PATCH] fix photon analog

---
 src/physics.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/physics.cpp b/src/physics.cpp
index 1cfd316580..258cea9248 100644
--- a/src/physics.cpp
+++ b/src/physics.cpp
@@ -56,7 +56,6 @@ void collision(Particle* p)
   if (p->E_ < settings::energy_cutoff[type]) {
     p->alive_ = false;
     p->wgt_ = 0.0;
-    p->wgt_last_ = 0.0;
   }
 
   // Display information about collision