Fixed the orientation of the osgreflect demo so that the reflection plane

is orientated towards the viewer.

Changed the lightmodel ambient level to 0.1,0.1,0.1 instead of 0.0, so that
a small amount of ambient lighting is available to render back surfaces.
The osgreflect and osgprerender suffered unexpected behaviors because of
no lighting on the backfaces.

Make/debugtests.bat

@@ -66,8 +66,8 @@ echo osgmultitexture cessnafire.osg
 osmultitexture cessnafire.osg
 more memleaks.log
 
-echo osgreflect cow.osg
-osgreflect cow.osg
+echo osgreflect cessna.osg
+osgreflect cessna.osg
 more memleaks.log
 
 echo osgscribe cow.osg

Make/osgtests.bat

@@ -49,8 +49,8 @@ osgimpostor Town.osg
 echo osgmultitexture cessnafire.osg
 osgmultitexture cessnafire.osg
 
-echo osgreflect cow.osg
-osgreflect cow.osg
+echo osgreflect cessna.osg
+osgreflect cessna.osg
 
 echo osgscribe cow.osg
 osgscribe cow.osg

src/osgUtil/SceneView.cpp

@@ -104,7 +104,7 @@ void SceneView::setDefaults()
      _globalState->setTextureAttributeAndModes(0,texenv, osg::StateAttribute::ON);
 
     osg::LightModel* lightmodel = osgNew osg::LightModel;
-    lightmodel->setAmbientIntensity(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
+    lightmodel->setAmbientIntensity(osg::Vec4(0.1f,0.1f,0.1f,1.0f));
     _globalState->setAttributeAndModes(lightmodel, osg::StateAttribute::ON);
 
     _backgroundColor.set(0.2f, 0.2f, 0.4f, 1.0f);