alt Hacker NewsAwesome write up. Is the appeal of spherical harmonics in graphics compression?
Like, if you know the third order harmonics that's only 16 values you have to pass around
Awesome write up. Is the appeal of spherical harmonics in graphics compression?
Like, if you know the third order harmonics that's only 16 values you have to pass around
For sure that's a big reason but it's also a useful basis for doing lighting calculations because of their sphere like nature. They are quite efficient in dynamic scenes and historically used in a lot of precalc to do something akin to real time Global Illumination