用于仿真五轴编程G代码，可显示刀路轨迹，模拟刀具运动和角度变化(It is used to simulate five axis programming G code, which can display tool path, simulate tool motion and angle change)

OpenGL开发的机械臂运动仿真程序，可以运行，可以借鉴(OpenGL development of the manipulator motion simulation program, can run, can learn from)