Fog
Linear Fog
c = fog coordinates,
S, E = start and end
$$f = \frac{E - c}{ E - S}$$
Exponential Fog
d = fog density
$$f = \frac{1}{2^{cd}} = 2^{-cd}$$
Exponential Squared Fog
$$f = \frac{1}{2^{cd^2}} = 2^{- (cd)^2}$$
Linear Fog
c = fog coordinates,
S, E = start and end
$$f = \frac{E - c}{ E - S}$$
Exponential Fog
d = fog density
$$f = \frac{1}{2^{cd}} = 2^{-cd}$$
Exponential Squared Fog
$$f = \frac{1}{2^{cd^2}} = 2^{- (cd)^2}$$