Inverts a texture.
How Does It Work?
The three versions of Invert differ slightly in their function.
The color Invert inverts the Background texture by subtracting it from white in RGB space. A Mask of 0% corresponds to the original Background color while a Mask of 100% corresponds to the inverse of
Background.
The percent Invert inverts the Background texture by subtracting it from 100%. Hence the dark areas become light and the light areas become dark.
The bump Invert inverts the Background by multiplying it by -1.0. Hence raised areas become depressed while low areas are raised.
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