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Who said anything about graphics?

• Retric 8y ago
  > While working through Peter Shirley’s Ray Tracing in One Weekend (http://in1weekend.blogspot.com/2016/01/ray-tracing-in-one-weekend.html http://in1weekend.blogspot.com/2016/01/ray-tracing-in-one-we...) Which is where that method was used.