I'm just starting with OSG. I would like this (or similar) code:
int main() {
osgViewer::Viewer viewer;
osg::Geode* geode = new osg::Geode();
viewer.setSceneData(geode);
geode->addDrawable(new osg::ShapeDrawable(new
osg::Sphere(osg::Vec3(0, 0, 0), 1)));
viewer.frame();
this_thread::sleep_for(seconds(2));
geode->addDrawable(new osg::ShapeDrawable(new
osg::Sphere(osg::Vec3(2, 0, 0), 1)));
return viewer.run();
}
to display the first sphere and after 2s the second sphere, but it displays
a blank screen for 2s instead and 2 spheres afterwards. What do I have to
change?
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