Monitor Fade

local monitor = peripheral.wrap("left")
if not monitor then
    error("No monitor...!")
end

function clear(y)
    monitor.setBackgroundColor(colours.black)
    monitor.clear()
    monitor.setCursorPos(1, y or 1)
end

local size = monitor.setTextScale

local cwrite = function(txt,y)
    local sx,sy = (monitor or term).getSize()
    local cx,cy = (monitor or term).getCursorPos()
    monitor.setCursorPos((sx/2)-math.floor(#txt/2), y or cy)
    return (monitor or term).write(txt)
end

local fadeCwrite = function(txt,y,delay,noFadeOut)
    delay = delay or 3
    local pCol = monitor.getTextColor()
    local cols = {
        colors.black,
        colors.gray,
        colors.lightGray,
        colors.white,
    }
    for a = 1, #cols do
        monitor.setTextColor(cols[a])
        cwrite(txt,y)
        sleep(0.1)
    end
    if not noFadeOut then
        sleep(delay)
        for a = #cols, 1, -1 do
            monitor.setTextColor(cols[a])
            cwrite(txt,y)
            sleep(0.1)
        end
    end
    monitor.setTextColor(pCol)
end

term.clear()
term.setCursorPos(1,1)
print("Displaying sign.")
clear()
while true do
--    clear(1)
    sleep(0.1)
--    size(2)
--    cwrite("Storage",1)
--    cwrite("House",2)
    fadeCwrite("Storage House",1,3,false)
--    sleep(2)
--    clear(2)
    sleep(0.1)
--    size(2)
--    cwrite("Rent your own",1)
--    cwrite("Storage Room",2)
--    sleep(3)
    fadeCwrite("Rent your own",1,0.5,true)
    fadeCwrite(" storage room",2,3,false)
end