0e3df0c2 |
1 | #!/bin/bash |
2 | |
3 | LINES=$(tput lines) |
4 | COLUMNS=$(tput cols) |
5 | |
6 | declare -A snowflakes |
7 | declare -A lastflakes |
8 | |
9 | clear |
10 | |
11 | function move_flake() { |
12 | i="$1" |
13 | |
14 | if [ "${snowflakes[$i]}" = "" ] || [ "${snowflakes[$i]}" = "$LINES" ]; then |
15 | snowflakes[$i]=0 |
16 | else |
17 | if [ "${lastflakes[$i]}" != "" ]; then |
18 | printf "\033[%s;%sH \033[1;1H " ${lastflakes[$i]} $i |
19 | fi |
20 | fi |
21 | |
22 | printf "\033[%s;%sH\u274$[($RANDOM%6)+3]\033[1;1H" ${snowflakes[$i]} $i |
23 | |
24 | lastflakes[$i]=${snowflakes[$i]} |
25 | snowflakes[$i]=$((${snowflakes[$i]}+1)) |
26 | } |
27 | |
28 | while : |
29 | do |
30 | i=$(($RANDOM % $COLUMNS)) |
31 | |
32 | move_flake $i |
33 | |
34 | for x in "${!lastflakes[@]}" |
35 | do |
36 | move_flake "$x" |
37 | done |
38 | |
39 | sleep 0.1 |
40 | done |