
Materials in Unreal Engine 245
(a) (b)
FIGURE 4.76: Results of Desaturation: (a) The original texture. (b) The desaturated texture
with Luminance Factor of (R:0.33,G:0.59,B:0.11) and 20% Fraction.
TABLE 4.61: Desaturation
Properties
Luminance Factors: This property specifies the amount of each chan-
nel’s contribution to the desaturated color.
Inputs
Fraction: This input value specifies th e amount of desatu ration to ap-
ply to the input color, or texture. An amount of 0 is used for no
desaturation (full original color), or an amount of 1 is used for full
desaturation (no colors, only grayscale).
Example Usa ge: Use this expression to soften the colors