OpenGL的一个灯光效果源代码和应用程序-OpenGL, a lighting source code and applications

用Pascal写的光线跟踪渲染器, 项目可以用Lazarus打开, 略加修改也可以用Delphi打开,程序结构清晰, -Written in Pascal ray tracing renderer, the project can be opened with Lazarus, slightly modified Delphi can also be used to open, clear program structure,