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Lecture 13: Global Illumination and Path Tracing (94)

For p', what is intersectScene(p, wi) referring to? I thought we were supposed to check for russian roulette conditions and then create a new ray if the condition passes. And after that, we check for any intersections with the scene?


I believe intersectScene(p, wi) here refers to the next point at which the ray intersects an object in space after bouncing off p.

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