controle

local cube = peripheral.wrap("top")
local reactor = peripheral.wrap("back")
local reactorActive = reactor.getActive()
if (reactorActive) then
  waitForDesactivate(cube, reactor)
else
  waitForActivate(cube, reactor)
end

function waitForDesactivate(cube, reactor)
  local energyReactor = reactor.getEnergyStored()
  local reactorActive = reactor.getActive()
  while (reactorActive and energyReactor == 0) do
    energyReactor = reactor.getEnergyStored()
    reactorActive = reactor.getActive()
    sleep(1)
  end
  reactor.setActive(false)
  waitForActivate(cube, reactor)
end

function waitForActivate(cube, reactor)
  local energyCube = cube.getEnergyStored()
  local reactorActive = reactor.getActive()
  while (not reactorActive and energyCube ~= 0) do
    energyCube = cube.getEnergyStored()
    reactorActive = reactor.getActive()
    sleep(1)
  end
  reactor.setActive(true)
  waitForActivate(cube, reactor)
end