扫描线算法实现的任意多边形填充 分别用OpenGL和TC实现-Scan line algorithm for arbitrary polygons, respectively, filled with OpenGL and realize TC

用VC opengl做的delaunay三角网，这是一个三角网边生长算法的实现方法。-With VC opengl do delaunay triangulation, which is a triangulation edge growth algorithm implementation.