From cd75a469172aed3598e0ee380757071e3a6d63e5 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <c.oelckers@zdoom.fake>
Date: Fri, 15 Apr 2016 22:22:38 +0200
Subject: [PATCH] - fixed incorrect use of 'frac' in Trace's EnterLinePortal
 function.

How did this go wrong...?
---
 src/p_trace.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/p_trace.cpp b/src/p_trace.cpp
index bc022535f..2d794e19c 100644
--- a/src/p_trace.cpp
+++ b/src/p_trace.cpp
@@ -230,7 +230,7 @@ int FTraceInfo::EnterLinePortal(line_t *li, double frac)
 	P_TranslatePortalVXVY(li, newtrace.Vec.X, newtrace.Vec.Y);
 
 	frac += 1 / MaxDist;
-	double enterdist = MaxDist / frac;
+	double enterdist = MaxDist * frac;
 	DVector3 enter = newtrace.Start + enterdist * Vec;
 
 	newtrace.ActorMask = ActorMask;