计算机图形学中，用射线法和弧长法两种方法判断点是否包含在多边形内部(matlab实现)

焰火效果 利用图形学中的射线法，描绘焰火升空时的轨迹，然后再焰火收尾时，所有轨迹向一点隐没。-pyrotechnic effect, the use of graphics-ray method, depicts the fireworks launched at the track, and then the ending fireworks, all point to the path and disappeared.