From 348870d7ba355f59badda59d7e697e9c6fbf519d Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 17 Dec 2010 11:19:29 +0000
Subject: [PATCH] Added --speed <ratio> command line parameter to osgviewer to
 enable control of the speed that animation paths are played back at.

---
 applications/osgviewer/osgviewer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/applications/osgviewer/osgviewer.cpp b/applications/osgviewer/osgviewer.cpp
index 209b3a2c9..d94a0f5fe 100644
--- a/applications/osgviewer/osgviewer.cpp
+++ b/applications/osgviewer/osgviewer.cpp
@@ -90,12 +90,16 @@ int main(int argc, char** argv)
         keyswitchManipulator->addMatrixManipulator( '7', "Spherical", new osgGA::SphericalManipulator() );
 
         std::string pathfile;
+        double animationSpeed = 1.0;
+        while(arguments.read("--speed",animationSpeed) ) {}
         char keyForAnimationPath = '8';
         while (arguments.read("-p",pathfile))
         {
             osgGA::AnimationPathManipulator* apm = new osgGA::AnimationPathManipulator(pathfile);
             if (apm || !apm->valid())
             {
+                apm->setTimeScale(animationSpeed);
+
                 unsigned int num = keyswitchManipulator->getNumMatrixManipulators();
                 keyswitchManipulator->addMatrixManipulator( keyForAnimationPath, "Path", apm );
                 keyswitchManipulator->selectMatrixManipulator(num);