From b93581e687c6076d03b3e1ccdacb1463f3e66ac5 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 8 Apr 2009 14:08:16 +0000
Subject: [PATCH] From Cory Riddell, fix for aspect ratio

---
 examples/osgviewerMFC/MFC_OSG.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/examples/osgviewerMFC/MFC_OSG.cpp b/examples/osgviewerMFC/MFC_OSG.cpp
index 01d5c73b0..aef0f8ac1 100644
--- a/examples/osgviewerMFC/MFC_OSG.cpp
+++ b/examples/osgviewerMFC/MFC_OSG.cpp
@@ -116,6 +116,12 @@ void cOSG::InitCameraConfig(void)
 
     // Realize the Viewer
     mViewer->realize();
+
+    // Correct aspect ratio
+    double fovy,aspectRatio,z1,z2;
+    mViewer->getCamera()->getProjectionMatrixAsPerspective(fovy,aspectRatio,z1,z2);
+    aspectRatio=double(traits->width)/double(traits->height);
+    mViewer->getCamera()->setProjectionMatrixAsPerspective(fovy,aspectRatio,z1,z2);
 }
 
 void cOSG::PreFrameUpdate()