Lecture 15: Advanced Topics in Material Modeling (25)

This is interesting to me because we haven't talked much about how rays transmit colors in lecture. For instance, if a surface is a certain color, does that mean that the ray which intersects that surface becomes that color? And how do colors combine from multiple, different colored light sources? And, for this metal here, when a ray intersects a spot with a certain color, could the brdf cause the ray to bounce off and hit the metal again, thus creating a mixing of two colors?

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