CC Text API

function center(txt)
  w, h = term.getSize()
  term.setCursorPos(w / 2 - math.floor(string.len(txt) / 2), h / 2)
  print(txt)
end

function slowCenter(txt)
  w, h = term.getSize()
  term.setCursorPos(w / 2 - math.floor(string.len(txt) / 2), h / 2)
  textutils.slowPrint(txt)
end

function randomPrint(txt, num)
  w, h = term.getSize()

  for i = 1,num do
    term.setCursorPos(math.random(1, w), math.random(1, h))
    print(txt)
  end
end