Lecture 13: Global Illumination & Path Tracing (73)

Would the light rays bounce other light rays?


Yes but indirectly. A photon cannot bounce off another photon directly, they would just pass each other. However two photons heading towards each other can indeed collide indirectly. I found an interesting website here explaining this phenomenon: https://wtamu.edu/~cbaird/sq/2013/09/06/can-one-bit-of-light-bounce-off-another-bit-of-light/

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