static bool writePlacers( osgDB::OutputStream& os, const osgParticle::CompositePlacer& cp )
{
unsigned int size = cp.getNumPlacers();
os << size << osgDB::BEGIN_BRACKET << std::endl;
for ( unsigned int i=0; i<size; ++i )
{
os << cp.getPlacer(i);
}
os << osgDB::END_BRACKET << std::endl;
return true;
}
static bool checkPlacers( const osgParticle::CompositePlacer& cp )
{
return cp.getNumPlacers()>0;
}