Duotone
Applies a two-tone color effect.
Parameters
tex0 Texture: The input texture to be filtered. Default: The entire canvas
tone1 Vec2: The RGB values of the first tone. Default: (0.0, 0.0, 0.0)
tone2 Vec2: The RGB values of the second tone. Default: (0.0, 0.0, 0.0)