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Vector calculus
Linear algebra.
Shader programming, except if you actually tried that it would just be all black
for a sec I was looking for a loss meme
This is actually true in Porter/Duff.
<=> y ⊕ ╲ = ╳
If this were a shader and the colors would be inverted, this would be true.
Do it in CMY(K) or any other subtractive colour space and it's correct.
14 comments