MOVLANDERS.sh

#!/bin/bash
#
#   @(#) ISLANDERSって表示するだけ。（<C-c>で）流してくれ。
#
#   Author:
#      Original: 844196 (@84____)
#      Revised : sasairc(@sasairc)
#
#   License:
#       WTFPL 2.0
#

SLEEP="sleepenh"
WAIT="0.1"
Y="$(tput smso)$(tput setaf 7)  $(tput sgr 0)$(tput rmso)"

function _CursorInvisible() {
    trap "tput cnorm;" EXIT
    trap "tput cnorm; exit 1" SIGINT
    tput civis
}

function ISLANDERS() {
local ISLANDERS="
${MARGIN_H}
${MARGIN_W}$Y$Y$Y$Y$Y$Y    $Y$Y$Y$Y$Y  $Y$Y                $Y$Y$Y      $Y$Y    $Y$Y  $Y$Y$Y$Y$Y      $Y$Y$Y$Y$Y$Y$Y  $Y$Y$Y$Y$Y          $Y$Y$Y$Y$Y
${MARGIN_W}$Y$Y$Y$Y$Y$Y  $Y$Y$Y$Y$Y$Y  $Y$Y              $Y$Y$Y$Y$Y    $Y$Y    $Y$Y  $Y$Y$Y$Y$Y$Y    $Y$Y$Y$Y$Y$Y$Y  $Y$Y$Y$Y$Y$Y      $Y$Y$Y$Y$Y$Y
${MARGIN_W}    $Y$Y      $Y$Y          $Y$Y            $Y$Y      $Y$Y  $Y$Y$Y  $Y$Y  $Y$Y  $Y$Y$Y$Y  $Y$Y            $Y$Y    $Y$Y      $Y$Y        
${MARGIN_W}    $Y$Y      $Y$Y          $Y$Y            $Y$Y      $Y$Y  $Y$Y$Y  $Y$Y  $Y$Y    $Y$Y$Y  $Y$Y            $Y$Y    $Y$Y      $Y$Y        
${MARGIN_W}    $Y$Y      $Y$Y$Y        $Y$Y            $Y$Y      $Y$Y  $Y$Y$Y  $Y$Y  $Y$Y      $Y$Y  $Y$Y$Y$Y$Y$Y    $Y$Y    $Y$Y      $Y$Y$Y      
${MARGIN_W}    $Y$Y        $Y$Y$Y      $Y$Y            $Y$Y      $Y$Y  $Y$Y$Y$Y$Y$Y  $Y$Y      $Y$Y  $Y$Y$Y$Y$Y$Y    $Y$Y$Y$Y$Y$Y        $Y$Y$Y    
${MARGIN_W}    $Y$Y          $Y$Y$Y    $Y$Y            $Y$Y$Y$Y$Y$Y$Y  $Y$Y$Y$Y$Y$Y  $Y$Y      $Y$Y  $Y$Y            $Y$Y$Y$Y$Y            $Y$Y$Y  
${MARGIN_W}    $Y$Y            $Y$Y$Y  $Y$Y            $Y$Y$Y$Y$Y$Y$Y  $Y$Y  $Y$Y$Y  $Y$Y      $Y$Y  $Y$Y            $Y$Y    $Y$Y            $Y$Y$Y
${MARGIN_W}    $Y$Y              $Y$Y  $Y$Y            $Y$Y      $Y$Y  $Y$Y  $Y$Y$Y  $Y$Y    $Y$Y$Y  $Y$Y            $Y$Y      $Y$Y            $Y$Y
${MARGIN_W}    $Y$Y              $Y$Y  $Y$Y            $Y$Y      $Y$Y  $Y$Y    $Y$Y  $Y$Y  $Y$Y$Y$Y  $Y$Y            $Y$Y      $Y$Y            $Y$Y
${MARGIN_W}$Y$Y$Y$Y$Y$Y  $Y$Y$Y$Y$Y$Y  $Y$Y$Y$Y$Y$Y$Y  $Y$Y      $Y$Y  $Y$Y    $Y$Y  $Y$Y$Y$Y$Y$Y    $Y$Y$Y$Y$Y$Y$Y  $Y$Y        $Y$Y  $Y$Y$Y$Y$Y$Y
${MARGIN_W}$Y$Y$Y$Y$Y$Y  $Y$Y$Y$Y$Y    $Y$Y$Y$Y$Y$Y$Y  $Y$Y      $Y$Y  $Y$Y    $Y$Y  $Y$Y$Y$Y$Y      $Y$Y$Y$Y$Y$Y$Y  $Y$Y        $Y$Y  $Y$Y$Y$Y$Y  
"
echo "${ISLANDERS}"
}

_CursorInvisible
while :
do
	cols=$(tput cols)
	lines=$(tput lines)
	max_w=$(expr $cols - 136)
	max_h=$(expr $lines - 12)

	clear
	for ((i = 0; i <= max_h; i++)); do
		MARGIN_H=$(
				for j in `seq 1 $i`; do
					echo " "
				done
			)
		ISLANDERS
		${SLEEP} ${WAIT} > /dev/null
		clear
	done
	for ((i = 0; i <= max_w; i++)); do
		MARGIN_W=$(
				for j in `seq 1 $i`; do
					echo -n " "
				done
			)
		ISLANDERS
		${SLEEP} ${WAIT} > /dev/null
		clear
	done
	for ((i = max_h; i >= 0; i--)); do
		MARGIN_H=$(
				for j in `seq 1 $i`; do
					echo " "
				done
			)
		ISLANDERS
		${SLEEP} ${WAIT} > /dev/null
		clear
	done
	for ((i = max_w; i >= 0; i--)); do
		MARGIN_W=$(
				for j in `seq 1 $i`; do
					echo -n " "
				done
			)
		ISLANDERS
		${SLEEP} ${WAIT} > /dev/null
		clear
	done
done