▍1. This is in conjunction with opengl wrote a ray
这个是在结合opengl中写的一个光线跟踪的程序,可以自己改变观察的视点位置,然后进行渲染图片,我花了很久才写完的 哦-This is in conjunction with opengl wrote a ray-tracing procedure, can change the location of observation point of view, and then proceed to play up the picture, I have spent a long time before writing the Oh