Lecture 10: Ray Tracing (85)

how does the probability formulation change if the shapes of AA and BB are not convex?


I'd imagine for purposes of this class that we wouldn't have to worry about a case of non-convex shapes, as it seems that most of what we do is related to triangles (and other closed surfaces). In fact, I can't imagine a setting in which we would need to do ray tracing on non-convex shapes. Isn't the point of ray tracing to accurately simulate light bouncing off of real-life objects?


I believe that even though the surface of something is modeled by non-convex shapes, such as triangles, it is still possible for the surface itself to be concave.

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