From 37f43617d95e0a2481986cb278b08ec2758bd62f Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Wed, 13 Apr 2016 11:35:05 +0200
Subject: [PATCH] - make distance check 3D and use proper viewpoint.

---
 src/gl/scene/gl_bsp.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gl/scene/gl_bsp.cpp b/src/gl/scene/gl_bsp.cpp
index d72dfae86c..cc8c364b2c 100644
--- a/src/gl/scene/gl_bsp.cpp
+++ b/src/gl/scene/gl_bsp.cpp
@@ -342,7 +342,7 @@ static inline void RenderThings(subsector_t * sub, sector_t * sector)
 			FIntCVar *cvar = thing->GetClass()->distancecheck;
 			if (cvar != NULL && *cvar >= 0)
 			{
-				double dist = thing->Distance2DSquared(camera);
+				double dist = (thing->PosRelative(viewsector) - ViewPos).LengthSquared();
 				double check = (double)**cvar;
 				if (dist >= check * check)
 				{