public PCZSceneManager( string name )
: base( name )
{
defaultZone = null;
activeCameraZone = null;
zoneFactoryManager = null;
showPortals = false;
defaultZoneTypeName = "ZoneType_Default";
defaultZoneFileName = "none";
rootSceneNode = new PCZSceneNode( this, "Root" );
defaultRootNode = rootSceneNode;
}