snrn-Pontus

-- Description: Duplicate a sprite and replace black with 3 different colors

function createSheet(data, numberOfVariants)
    local sourceSprite = app.activeSprite
    local sourceImage = app.activeCel.image

    Sprite(sourceSprite.width * numberOfVariants, sourceSprite.height)
    local outputImage = app.activeCel.image

    for i = 0, numberOfVariants do