osg define shape(create box)

#ifdef _WIN32
#include <Windows.h>
#endif // _WIN32

#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers> 
#include <osgViewer/CompositeViewer> 
#include <osgDB/ReadFile>
#include <osg/Geode>
#include <osg/Node>
#include <osgGA/TrackballManipulator>
#include <osg/GraphicsContext>
#include <osg/ShapeDrawable>
#include <osg/Material>
#include <osg/Image>
#include <osg/Texture2D>
#include <osg/TexEnv>
#include <osg/TexGen>
#include <osg/MatrixTransform>
#include <osg/PositionAttitudeTransform>
#include <osg/AnimationPath>
#include <osg/Matrixd>

#include <osgGA/GUIEventHandler>
#include <osgGA/CameraManipulator>
#include <osgGA/StandardManipulator>
#include <osgGA/OrbitManipulator>
#include <osgGA/TrackballManipulator>

//创建盒子
osg::ref_ptr<osg::Geode> createBox()
{
    osg::ref_ptr<osg::Geode> geode1 = new osg::Geode;
    geode1->addDrawable(new osg::ShapeDrawable(new osg::Box(osg::Vec3(0.0,0.0,0.0),10.0,8.0,6.0)));
    
    return geode1;
}

int main()
{
    osg::ref_ptr<osgViewer::Viewer> viewer1 = new osgViewer::Viewer;
    osg::ref_ptr<osg::Group> group1 = new osg::Group;
    group1->addChild(createBox());

    viewer1->setSceneData(group1.get());
    viewer1->setUpViewInWindow(200, 200, 800, 600, 0);

    return viewer1->run();
}