Reactor Control

mon = peripheral.wrap("monitor_5")
react = peripheral.wrap("BigReactors-Reactor_0")
monX, monY = mon.getSize()
local function draw_Line(xPos, yPos, color, length)
 mon.setCursorPos(xPos, yPos)
 mon.setBackgroundColor(color)
 mon.write(string.rep(" ", length))
end
local function clear()
 mon.setBackgroundColor(colors.black)
 mon.clear()
end
local function writeText(xPos, yPos, bg_color, tx_color, text)
  mon.setCursorPos(xPos, yPos)
  mon.setBackgroundColor(bg_color)
  mon.setTextColor(tx_color)
  mon.write(text)
end
local function drawMenus(color)
  mon.setCursorPos(1, 1)
  mon.setBackgroundColor(color)
  mon.write(string.rep(" ", monX))
  mon.setCursorPos(1, monY)
  mon.write(string.rep(" ", monX))
end
local function homescreen(color)
  clear()
  while true do
  energy = react.getEnergyProducedLastTick()
  drawMenus(color)
  writeText(monX/2-8, 1, color, colors.white, "Reactor Control")
  sleep(0.1)
  end
end
local function mon_touch()

    local event, side, x, y = os.pullEvent("monitor_touch")
    if x > 1 then
    shell.run("shutdown")
    end
    sleep(0.1)

end
function call_homepage()
while true do
parallel.waitForAll(homescreen(colors.blue), mon_touch())
sleep(0.1)
end
end
while true do
call_homepage()
sleep(0.1)
end