Someone made this in Photoshop as a reference for me:
and I need to recreate it in After Effects. Following the normal method (making duplicates of the guy, split it into R, G and B layers, offset & set the blend mode to "Screen" or "Add") makes him disappear in front of the white background. Precomposing leads to something like this:
Does anyone have an idea how I could achieve the effect showed in the reference?