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Checkpoint 3 is now completed. For this checkpoint I completely rewrote the raytracer in C# since I was getting sick of C++, and I’m much faster in C#. The raytracer now reads its scene information from an XML file, and it lends to changing positions of the lights, camera, and objects to be much easier.

Default configuration, one light, 2 spheres, and the plane:

I also have multiple light sources support for this checkpoint: