opengl实现光线跟踪算法，内容包括多光源效果，材料属性对光线跟踪的影响，动态光源。-opengl ray tracing algorithm implementation, including many lighting effects, material property on the effects of ray tracing, dynamic light source.

ray trace基本代码 C++ openGL glfw(ray tracing code in C++ glfw opengl)

简单光线追踪实例,运用到C++中成员函数，运算符重载和引用的知识。(a simple example of ray trace)