vega虚拟仿真工具开发模拟实现导弹飞行及其轨迹绘制，可用鼠标点击，指导飞行方向，并实时绘制飞行轨迹-The vega virtual simulation tool developed simulation missile flight trajectory drawn the available mouse click, to guide the direction of flight, and real-time rendering flight path

基于OpenGL的图形可视化编程，导弹的飞行运动轨迹和模拟运动过程-OpenGL-based graphical visual programming, the missile flight trajectories and analog movement

一个完整的osgearth程序，飞机在空中飞行，并用线条标出飞机移动的轨迹，效果见1.jpg.osgearth需要事先完成安装配置等工作-A complete osgearth procedures, aircraft flying in the air, and marked with lines of track aircraft movement, the effect see 1.jpg.osgearth requires prior completion of the installa