From 834a37d1975b5baa609e93839947430d554a7f5f Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Wed, 7 Apr 2010 23:12:59 +0200
Subject: Inter-marker vectors.

---
 application.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'application.cpp')

diff --git a/application.cpp b/application.cpp
index 3ff3ab3..da0557f 100644
--- a/application.cpp
+++ b/application.cpp
@@ -127,7 +127,7 @@ void Application::main_loop(void) {
 	glDepthFunc(GL_LEQUAL);
 
 	patt->update(marker_info, marker_num);
-	patt2->update(marker_info, marker_num);
+	if(patt2) { patt2->update(marker_info, marker_num); }
 
 	glDisable( GL_DEPTH_TEST );
 
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