Last active
December 19, 2015 08:29
-
-
Save anirudh83/5925928 to your computer and use it in GitHub Desktop.
git-fireworks
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
rows=$(tput lines) | |
cols=$(tput cols) | |
colors=(red green blue purple cyan yellow brown) | |
lock_file= | |
lock_file_base=/tmp/$(basename $0 .sh) | |
multiple=0 | |
if [[ "$1" ]]; then | |
nsingle=$1 | |
shift | |
else | |
nsingle=10 | |
fi | |
if [[ "$1" ]]; then | |
nmultiple=$1 | |
shift | |
if [[ $nmultiple -gt 8 ]]; then nmultiple=8; fi | |
else | |
nmultiple=6 | |
fi | |
function colorstr() | |
{ | |
local row=$1 | |
local col=$2 | |
local color=$3 | |
local v | |
case "$color" in | |
red) v=31;; | |
green) v=34;; | |
blue) v=32;; | |
purple) v=35;; | |
cyan) v=36;; | |
yellow) v=33;; | |
brown) v=33;; | |
white) v=37;; | |
*) v=;; | |
esac | |
shift 3 | |
if [[ $multiple -ne 0 ]]; then | |
touch $lock_file | |
while [[ $(ls $lock_file_base.* 2>/dev/null | head -n 1) != $lock_file ]] | |
do | |
sleep 0.05 | |
done | |
fi | |
tput cup $row $col | |
echo -n -e "\e["$v"m" | |
set -f | |
echo -n $* | |
set +f | |
if [[ $multiple -ne 0 ]]; then | |
rm -f $lock_file | |
fi | |
} | |
function center_colorstr() | |
{ | |
local row=$1 | |
local color=$2 | |
shift 2 | |
local s="$*" | |
local slen=${#s} | |
colorstr $row $(((cols / 2) - (slen / 2))) $color "$s" | |
} | |
function fireworks() | |
{ | |
local row=$((rows - 1)) | |
local col=$(((RANDOM % (cols / 2)) + (cols / 4))) | |
local height=$((RANDOM % rows - 2)) | |
local slant | |
local h | |
local color1=${colors[$((RANDOM % ${#colors[*]}))]} | |
local color2=${colors[$((RANDOM % ${#colors[*]}))]} | |
local color3=${colors[$((RANDOM % ${#colors[*]}))]} | |
while [[ $color1 == $color2 || $color1 == $color3 || $color2 == $color3 ]] | |
do | |
color2=${colors[$((RANDOM % ${#colors[*]}))]} | |
color3=${colors[$((RANDOM % ${#colors[*]}))]} | |
done | |
case $((RANDOM % 4)) in | |
0) slant=-2;; | |
1) slant=-1;; | |
2) slant=1;; | |
3) slant=2;; | |
esac | |
if [[ $height -gt 5 ]]; then | |
h=$height | |
while [[ $h -gt 0 ]] | |
do | |
colorstr $row $col $color1 '.' | |
let row-- | |
if [[ $((col + slant)) -ge $((cols - 3)) || $((col + slant)) -le 2 ]]; then break; fi | |
let col+=slant | |
let h-- | |
sleep 0.1 | |
done | |
if [[ $((col + slant)) -lt $((cols - 3)) && $((col + slant)) -gt 2 ]]; then | |
h=$((height / 5)) | |
while [[ $h -gt 0 ]] | |
do | |
colorstr $row $col $color2 '.' | |
let row++ | |
if [[ $((col + slant)) -ge $((cols - 3)) || $((col + slant)) -le 2 ]]; then break; fi | |
let col+=slant | |
let h-- | |
sleep 0.1 | |
done | |
fi | |
colorstr $((row)) $((col - 1)) $color3 '***' | |
colorstr $((row - 1)) $((col)) $color3 '*' | |
colorstr $((row + 1)) $((col)) $color3 '*' | |
fi | |
} | |
for i in $(seq 1 $nsingle) | |
do | |
clear | |
fireworks | |
sleep 1 | |
done | |
clear | |
pids= | |
for i in $(seq 1 $nmultiple) | |
do | |
let multiple++ | |
lock_file=$lock_file_base.$i | |
fireworks & | |
pids="$pids $!" | |
done | |
trap "kill -9 $pids 2>/dev/null" EXIT | |
wait $pids | |
sleep 3 | |
clear | |
center_colorstr $((rows / 2 - 1)) red "Hope you enjoyed the show!" | |
center_colorstr $((rows / 2 + 1)) red "Sahil is pshycho" | |
center_colorstr $((rows / 2 + 3)) red "Now get back to work :P" | |
echo | |
sleep 5 | |
clear | |
# vim: tabstop=4: shiftwidth=4: noexpandtab: | |
# kate: tab-width 4; indent-width 4; replace-tabs false; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment