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now gnu-ized, gcc-4.7.4 or gcc-10.2.0
A raytracer does not require custom code for (shadows, mirrors) like GL: it uses physics to simulate light to make realistic images, leaving one to specify only what is in the scene. (at a cost of speed)
Rayshade is a 1990's raytracer, a great one back then (and still useful).
Rayshade has an excellent easy to read yet informative User's Guide that other's could not help but copy from. (html of guide is in...
Quick project: Phong, Gouraud, Flat shading program (wire-frame also)
This is a quick project made for X-Windows on Linux to perform simple shading. It was coded in a few days and made to work, and not for good software engineering practices -- an example program showing the math(s) needed to perform the 3d transformations and rendering.
: Darrell Raymond Ulm
RenderStack is a support library for OpenGL 3+, currently in C++. Features currently for example basic window creation, mesh generation, wrappers for OpenGL programs, framebuffer, texture and vertex buffer objects.
Predecessor: https://github.com/tksuoran/renderstack_net
Successor: https://github.com/tksuoran/RenderStack