doorfinal2.lua

camera = peripheral.wrap("camera_0")
mon = peripheral.wrap("right")
mon.setTextScale(5)
while true do
mon.clear()
mon.setCursorPos(1,1)
mon.write(camera.distance())
os.sleep(1)
side = "back"
function door(num)
redstone.setBundledOutput(side, num)
redstone.setBundledOutput("left", colors.yellow)
sleep(.2)
redstone.setBundledOutput(side, 0)
sleep(1.5)
end
function open()
repeat door(colors.orange)
until camera.distance() == 5
redstone.setBundledOutput("left", 0)
end
function close()
repeat door(colors.white)
until camera.distance() == 0
redstone.setBundledOutput("left", 0)
end
if redstone.getInput("front") == true then
    if camera.distance() == 5 then
        close()
        else open()
    end
end
end