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Lecture 13: Global Illumination & Path Tracing (6)

Is the point light on the left referring to a light directly above the scene indicated by the concentration of the light on the black ball? How should I picture environment map lighting if not from one central point?


^ It seems to be referring to direct lighting coming from a light source (left picture), as opposed to indirect lighting coming from light refracted off of the surrounding environment (right picture)



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