config = Noise.Simplex.new_config(%{
  frequency: 0.1
})

reset = IO.ANSI.reset
blue_bg = IO.ANSI.blue_background
green = IO.ANSI.green
magenta_bg = IO.ANSI.magenta_background
red = IO.ANSI.red

for y <- 1..40 do
  for x <- 1..80 do
    noise = Noise.Simplex.cylindrical(config, 80, {x, y})
    if noise < 0 do
      IO.write "#{blue_bg}#{green}##{reset}"
    else
      IO.write "#{magenta_bg}#{red}##{reset}"
    end
  end
  IO.write "\n"
end