使用OpenGL创建的带关节的机器人手臂旋转程序，这个手臂在肩、肘或其他关节处由节点进行连接-The use of OpenGL to create a robotic arm with a rotating joint program, the arm at the shoulder, elbow or other joints of nodes connected

OpenGL机器人，添加光照、实现胳膊的旋转和 用键盘控制机器人的上、下、左、右的旋转动画。-OpenGL procedures. Drawing a robot, add the light, to achieve the rotation of the arm and the robot using keyboard control the upper and lower