计算机三维图形技术已发展到了实时阶段，怎样有效地开发实时三维应用系统，是目前较为引人注目的话题。笔者先后开发了数个opengl三维应用软件，从中总结出了实现实时三维应用系统的不少关键技术。-Three-dimensional computer graphics technology has been developed to the stage of the real-time and how to effectively develop real-time three-dimensional