local state = false
term.setBackgroundColor(colors.red)
term.clear()
term.write("Spawner: Off")
rs.setOutput("back", true)

function main()
    while true do
        if state then
            term.setBackgroundColor(colors.green)
            term.clear()
            term.write("Spawner: On")
            rs.setOutput("back", false)
            turtle.attack()
        elseif not state then
            term.setBackgroundColor(colors.red)
            term.clear()
            term.write("Spawner: Off")
            rs.setOutput("back", true)
        end
        os.sleep(.1)
    end
end

function swap()
    repeat
        local ev, b, x, y = os.pullEvent("mouse_click")
    until b
    state = not state
    return
end

while true do
    parallel.waitForAny(main, swap)
    os.sleep(1)
end