Lecture 13: Global Illumination & Path Tracing (9)
mhallac
At a first pass, this seems difficult if we consider the ray tracing method of going from the initial viewpoint and finding the intersection point of the ray with the surface, and then considering all the other sources that may emit toward that spot.
At a first pass, this seems difficult if we consider the ray tracing method of going from the initial viewpoint and finding the intersection point of the ray with the surface, and then considering all the other sources that may emit toward that spot.