Created
December 16, 2014 04:18
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Make your terminal snow!
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#!/bin/bash | |
LINES=$(tput lines) | |
COLUMNS=$(tput cols) | |
declare -A snowflakes | |
declare -A lastflakes | |
clear | |
function move_flake() { | |
i="$1" | |
if [ "${snowflakes[$i]}" = "" ] || [ "${snowflakes[$i]}" = "$LINES" ]; | |
then | |
snowflakes[$i]=0 | |
else | |
if [ "${lastflakes[$i]}" != "" ]; then | |
printf "\033[%s;%sH \033[1;1H " ${lastflakes[$i]} $i | |
fi | |
fi | |
printf "\033[%s;%sH*\033[1;1H" ${snowflakes[$i]} $i | |
lastflakes[$i]=${snowflakes[$i]} | |
snowflakes[$i]=$((${snowflakes[$i]}+1)) | |
} | |
while : | |
do | |
i=$(($RANDOM % $COLUMNS)) | |
move_flake $i | |
for x in "${!lastflakes[@]}" | |
do | |
move_flake "$x" | |
done | |
sleep 0.1 | |
done |
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