Some crappy script I once did

laola.rb

#!/usr/bin/env ruby
# we do ECMA-48 / vt100 only - this may be portable or not...
TIOCGWINSZ = 0x5413

Alternative = true

if !Alternative then
	NormalPerson = [
		' o  ',
		'/O\\ ',
		'/ \\ '
	]

	LaolaPerson = [
		'\\o/ ',
		' O  '
	]

	HalfPersonL = HalfPersonR = [
		' o  ',
		'~O~ '
	]
else
	NormalPerson = [
		' o ',
		'/O\\',
		'/ \\'
	]

	LaolaPerson = [
		'\\o/',
		' O '
	]

	HalfPersonL = [
		' o/',
		'/O '
	]

	HalfPersonR = [
		'\\o ',
		' O\\'
	]
end

Save    = "\e[s"
Restore = "\e[u"
NUp     = "\e[%iA"
NDown   = "\e[%iB"
NRight  = "\e[%iC"
NLeft   = "\e[%iD"

def termsize
	size = nil
	str = [ 0, 0, 0, 0 ].pack("SSSS")
	if $stdin.ioctl(TIOCGWINSZ, str) >= 0 then
		# Get rows, cols, xpixels, ypixels
		size = str.unpack("SSSS")
	else
		raise "Unable to get window size"
	end
	size[0..1]
end

def draw_init
	$stdout.sync = true

	rows, cols = termsize
	$nr = (cols - 1) / NormalPerson[0].length

	NormalPerson.each do |line|
		puts line * $nr
	end
	printf NUp + Save, NormalPerson.length
end

def draw_person(pers, pos)
	return if pos < 0 || pos >= $nr
	printf Restore
	printf NRight, pos * pers[0].length if pos > 0
	pers.each do |line|
		printf line + NLeft + NDown, line.length, 1
	end
end

draw_init
Signal.trap('WINCH') do
	print Restore
	draw_init
end

i = 0
add = 1

while true do
	draw_person NormalPerson, i - 2 * add
	draw_person HalfPersonL, i - 1
	draw_person LaolaPerson, i
	draw_person HalfPersonR, i + 1
	i += add
	sleep 0.25
	add = -add if i == ($nr - 1) || i == 0
end