Ported osgdistortion example across to using osg::CameraNode.
Ported osgdistortion example across to using osg::CameraNode.


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