Have a nice pocky day!

juppon_anime.rb

# coding: utf-8

require 'curses'

SPACE   = '                                '
BARS    = '  |  |  |  |  |  |  |  |  |  |  '
NUMBERS = '  1  2  3  4  5  6  7  8  9 1 0 '

BLANK = [
  SPACE,
  SPACE,
  SPACE,
  SPACE
]

LOGO  = [
  ' ,  _    |    ____,            /',
  ' | / \ --+--   , /   ---    \ / ',
  ' | | |  /| \   |            / \ ',
  ' | \_/ / +  \  /    -----  /    '
]

def tick
  sleep 0.3
end

def wait
  sleep 1
end

def display(lines, header = BLANK)
  Curses.clear

  (header + lines).each_with_index do |line, index|
    row = Curses.lines / 2 + index - lines.size / 2
    col = Curses.cols / 2 - line.size

    Curses.setpos row, col
    Curses.addstr line
  end

  Curses.refresh
end

def main
  Curses.init_screen

  display [
    SPACE,
    BARS,
    SPACE
  ]

  wait

  display [
    '  |                             ',
    '     |  |  |  |  |  |  |  |  |  ',
    '  1                             '
  ]

  tick

  display [
    '     |                          ',
    '  |     |  |  |  |  |  |  |  |  ',
    '  1  2                          '
  ]

  tick

  display [
    '        |                       ',
    '  |  |     |  |  |  |  |  |  |  ',
    '  1  2  3                       '
  ]

  tick

  display [
    '           |                    ',
    '  |  |  |     |  |  |  |  |  |  ',
    '  1  2  3  4                    '
  ]

  tick

  display [
    '              |                 ',
    '  |  |  |  |     |  |  |  |  |  ',
    '  1  2  3  4  5                 '
  ]

  tick

  display [
    '                 |              ',
    '  |  |  |  |  |     |  |  |  |  ',
    '  1  2  3  4  5  6              '
  ]

  tick

  display [
    '                    |           ',
    '  |  |  |  |  |  |     |  |  |  ',
    '  1  2  3  4  5  6  7           '
  ]

  tick

  display [
    '                       |        ',
    '  |  |  |  |  |  |  |     |  |  ',
    '  1  2  3  4  5  6  7  8        '
  ]

  tick

  display [
    '                          |     ',
    '  |  |  |  |  |  |  |  |     |  ',
    '  1  2  3  4  5  6  7  8  9     '
  ]

  tick

  display [
    '                             |  ',
    '  |  |  |  |  |  |  |  |  |     ',
    NUMBERS
  ]

  tick

  display [
    SPACE,
    BARS,
    NUMBERS
  ]

  wait

  display [
    SPACE,
    '  \  \  \  \  \  /  /  /  /  /  ',
    NUMBERS
  ], LOGO

  wait

  display [
    SPACE,
    BARS,
    NUMBERS
  ], LOGO

  Curses.getch
rescue
  Curses.close_screen
end

main