In the video, you talked about the ray from p to the light source. I am still not quite understanding the idea of a vector to the light source. Why would we want to think about it in this way in the first place? How does that make sense?
In the video, you talked about the ray from p to the light source. I am still not quite understanding the idea of a vector to the light source. Why would we want to think about it in this way in the first place? How does that make sense?