“Dynamic Lighting Test Using 8 shadow costumes, stacked in 4 layers. It's not perfect, and it's kind of annoying to draw the shadow costumes... But I think it looks really nice, and it could be used for some parts of future Scratch projects.” I added color to it too, so that’s cool. It was quite simple really, all scripts already existed, so you don’t really need to give credit. Minor modifications to shadow costumes need to be made, ergo swapping the direction of the highlights and making them red, but it’s mostly the same