So I’m making normal maps and this would be very handy. I know splitting could be done by manually replacing colors, even though it’d be very tedious, but I really have no idea how to combine them back. Is this already a feature? Is there a script that does this?
I also tried writing a script, but it throws an error as soon as I try to loop over the cels in a layer:
local layer = app.activeLayer
if not layer then
app.alert("No layer found")
return
elseif layer.isGroup then
app.alert("Group selected")
return
elseif app.activeSprite.colorMode ~= ColorMode.RGB then
app.alert("Sprite is not in rgba color mode")
return
end
local cels = layer.cels
local parent = layer.parent
local channelGroup = parent:newGroup()
local redChannel = app.activeSprite:newLayer()
local greenChannel = app.activeSprite:newLayer()
local blueChannel = app.activeSprite:newLayer()
local alphaChannel = app.activeSprite:newLayer()
redChannel .name = layer.name .. " - r"
greenChannel.name = layer.name .. " - g"
blueChannel .name = layer.name .. " - b"
alphaChannel.name = layer.name .. " - a"
channelGroup.name = redChannel.name:sub(1, -5) .. " - channels"
redChannel .parent = channelGroup
greenChannel.parent = channelGroup
blueChannel .parent = channelGroup
alphaChannel.parent = channelGroup
for cel in cels do -- "attempt to call a CelsObj value"
end