#include <osg/group>
#include <osg/node>
#include <osg/Matrix>
#include <osg/Vec3>
#include <osg/MatrixTransform>
#include <osgViewer/viewer>
#include <osgUtil/Optimizer>
#include <osgDB/ReadFile>
#include <osgDB/writeFile>
#include <osg/PagedLOD>
#include "../include/LoadLib.h"
osg::ref_ptr<osg::Group> CreatePageLod()
{
osg::ref_ptr<osg::PagedLOD> pagelod = new osg::PagedLOD();
pagelod->setCenter(osg::Vec3(0.0f,0.0f,0.0f));
pagelod->setFileName(0,"cow.osg");
pagelod->setRange(0,0,50.0f);
pagelod->setFileName(1,"glider.osg");
pagelod->setRange(1,50.0f,100.0f);
pagelod->setFileName(2,"cessna.osg");
pagelod->setRange(2,100.0f,200.0f);
return pagelod.get();
}
int _tmain(int argc, _TCHAR* argv[])
{
osg::ref_ptr<osg::Group> root = new osg::Group();
osg::ref_ptr<osg::MatrixTransform> mt = new osg::MatrixTransform();
mt->addChild(CreatePageLod());
osg::Matrix m;
m.makeRotate(60,0.0f,0.0f,1.0f);
mt->setMatrix(m);
root->addChild(mt.get());
osgDB::writeNodeFile(*root.get(),"pageLod.osg");
osg::ref_ptr<osgViewer::Viewer> viewer = new osgViewer::Viewer();
osgUtil::Optimizer optimizer;
optimizer.optimize(root.get());
viewer->setSceneData(root.get());
viewer->realize();
viewer->run();
return 0;
}