个人OpenGL图形学大作业，用MFC界面显示stl三角网格模型，并进行区域填色。支持鼠标拖拽旋转缩放和模型的精度调节光照等。-Great job my OpenGL graphics, screen display with MFC stl triangular mesh model, and the area fills. Support for zoom and rotate the mouse drag adjustment accuracy of the model light and