Rainbow Illumintator

r = 255              --Starts at pure RED
g = 0
b = 0
c = peripheral.wrap("top")


repeat  --this loop goes 0-255 in Green

        form = string.format("%02x%02x%02x", r, g, b)
        sub = string.gsub(form, ", ", "")
        dec = tonumber(sub, 16)
        c.setColor(dec)

        g = g + 1

        sleep(.1)
until g == 255




repeat  --this loop goes from 255-0 in Red

        form = string.format("%02x%02x%02x", r, g, b)
        sub = string.gsub(form, ", ", "")
        dec = tonumber(sub, 16)
        c.setColor(dec)

        r = r - 1

        sleep(.1)
until r == 0




repeat  --this loop goes from 0-255 in Blue

        form = string.format("%02x%02x%02x", r, g, b)
        sub = string.gsub(form, ", ", "")
        dec = tonumber(sub, 16)
        c.setColor(dec)

        b = b + 1

        sleep(.1)
until b == 255




repeat  --this loop goes from 255-0 in Green

        form = string.format("%02x%02x%02x", r, g, b)
        sub = string.gsub(form, ", ", "")
        dec = tonumber(sub, 16)
        c.setColor(dec)

        g = g - 1

        sleep(.1)
until g == 0




repeat  --this loop goes from 0-255 in Red

        form = string.format("%02x%02x%02x", r, g, b)
        sub = string.gsub(form, ", ", "")
        dec = tonumber(sub, 16)
        c.setColor(dec)

        r = r + 1

        sleep(.1)
until r == 255




repeat  --this loop goes from 255-0 in Blue

        form = string.format("%02x%02x%02x", r, g, b)
        sub = string.gsub(form, ", ", "")
        dec = tonumber(sub, 16)
        c.setColor(dec)

        b = b - 1

        sleep(.1)
until b == 0