Yay!

cake.rb

CAKE = <<-OMGCAKE
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|                           |
|~~~~~~~~~~~~~~~~~~~~~~~~~~~|
|                           |
|~~~~~~~~~~~~~~~~~~~~~~~~~~~|
|                           |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    HAPPY BIRTHDAY, NATE!    
OMGCAKE

def get_candles
  n = 5
  width = CAKE.split("\n")[0].length
  spacing = " " * (width/n - 1)

  light = ["*", "'", "~"][rand(3)]
  lights = ([light] * n).join(spacing).center(width)
  candles = (["|"] * n).join(spacing).center(width)
  "#{lights}\n#{candles}"
end

while 1
  print "\e[2J\e[f"  # Clears the terminal
  puts get_candles
  puts CAKE
  sleep(1.0/24.0)
end

@nathan