jtmm2/levels/create_demo.lua

#!/usr/bin/env luajit

math.randomseed(os.time()) --set randomseed
local function create_random_level(width, height, layers)
  io.write(width, "\n")
  io.write(height, "\n")
  for i = 1, layers, 1 do
    for r = 1, width * height, 1 do
     io.write(math.floor(math.random() * 1.5)) --random 0 (2/3) or 1 (1/3)
      io.write("\n")
    end
    if i ~= layers then
      io.write("n\n")
    end
  end
end

create_random_level(64, 64, 1)