Polynomial spl examplke

vs 2005 下矩阵三角化例子， 可以带洞处理。-vs. 2005 triangulation example

poly2tri-win32src.zip可以将任意多边形切分成N个三角形，是三维渲染必不可少的分割算法。但有时也会出现分割错误。-poly2tri-win32src.zip can freeform cut into N triangles, three-dimensional rendering is essential for segmentation. But sometimes appear split error.

Polygon to triangle-Polygon to triangle