Added movement of the light source to test performance of update the shadow volumes
Added movement of the light source to test performance of update the shadow volumes


artoolkit/osg,XiaoCC/osg,XiaoCC/osg,koshman86/osg,XiaoCC/osg,ntoand/osg,stmh/osg,ghub/osg,koshman86/osg,omega-hub/osg,koshman86/osg,stmh/osg,XiaoCC/osg,artoolkit/osg,omega-hub/osg,stmh/osg,ntoand/osg,koshman86/osg,ntoand/osg,artoolkit/osg,ghub/osg,ntoand/osg,stmh/osg,ghub/osg,ghub/osg,omega-hub/osg,stmh/osg,artoolkit/osg,omega-hub/osg,XiaoCC/osg