Last updated $Date$ This directory contains code for loading, positioning, orienting, and animating 3D models. acmodel.cxx acmodel.hxx This module defines the FGAircraftModel subsystem, which manages the 3D model representing the aircraft the user is flying. model.cxx model.hxx This module defines the FG3DModel class, which represents any 3D model in the FlightGear world. modelmgr.cxx modelmgr.hxx This module defines the FGModelMgr subsystem, which manages all 3D models except for the aircraft.