The other advantage of ray-tracing is that, by extending the idea of ray propagation, we can very easily simulate effects like reflection …

https://www.scratchapixel.com/lessons/3d-basic-rendering/introduction-to-ray-tracing/implementing-the-raytracing-algorithm     We have covered everything there is to say! We are now prepared to write our first ray-tracer. You should …

https://www.scratchapixel.com/lessons/3d-basic-rendering/introduction-to-ray-tracing/raytracing-algorithm-in-a-nutshell     The phenomena described by Ibn al-Haytham explains why we see objects. Two interesting remarks can be made based on …

https://www.scratchapixel.com/lessons/3d-basic-rendering/introduction-to-ray-tracing/how-does-it-work     To begin this lesson, we will explain how a three-dimensional scene is made into a viewable two-dimensional image. Once …