Problem while recreating SAI2 brush

[TheTwo]

something like this？

New smudge algorithm（sai/csp like）（Decoupling color and alpha）

@urzeye （killy） has developed a new color mixing algorithm, which he originally posted in this post.（At that time, it was different from the theme of that post, so it was ignored…）Killy compiled an executable software, but he is busy with work, so I am sending this post. Watch the videos: [Parameter examples] [killy‘s smudge for krita] Download key source code and executable files: Attention: The previous smudging brush cannot be used as it may cause errors. It co…