From 983e0c7ecc69990e226992b05ee343e54e6a9e02 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 5 Jan 2007 21:23:37 +0000
Subject: [PATCH] Add trackball manipulator usage

---
 examples/osgcluster/osgcluster.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/examples/osgcluster/osgcluster.cpp b/examples/osgcluster/osgcluster.cpp
index c5f13ee4e..e02660bb3 100644
--- a/examples/osgcluster/osgcluster.cpp
+++ b/examples/osgcluster/osgcluster.cpp
@@ -8,6 +8,7 @@
 #include <osgDB/Registry>
 #include <osgDB/ReadFile>
 
+#include <osgGA/TrackballManipulator>
 #include <osgViewer/Viewer>
 
 #include <osg/Quat>
@@ -487,6 +488,8 @@ int main( int argc, char **argv )
         std::cout << "setting lens perspective : new "<<original_fov<<"  "<<fovy<<std::endl;
     }
 
+    viewer.setCameraManipulator(new osgGA::TrackballManipulator());
+
 
     // create the windows and run the threads.
     viewer.realize();