pipes cli screensaver
parent
88b3c033d9
commit
9bc13022ed
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#!/bin/bash
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# The author of the original script is unknown to me. The first entry I can
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# find was posted at 2010-03-21 09:50:09 on Arch Linux Forums (doesn't mean the
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# poster is the author at all):
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#
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# https://bbs.archlinux.org/viewtopic.php?pid=728932#p728932
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#
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# I, Yu-Jie Lin, made a few changes and additions:
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#
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# -p, -t, -R, and -C
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#
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# Screenshot: http://flic.kr/p/dRnLVj
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# Screencast: http://youtu.be/5XnGSFg_gTk
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#
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# And push the commits to Gist:
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#
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# https://gist.github.com/4689307
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#
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# I, Devin Samarin, made a few changes and additions:
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#
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# -r can be 0 to mean "no limit".
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# Reset cursor visibility after done.
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# Cleanup for those people who want to quit with ^C
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#
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# Pushed the changes to https://gist.github.com/4725048
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p=1
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f=75 s=13 r=2000 t=0
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w=$(tput cols) h=$(tput lines)
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# ab -> idx = a*4 + b
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# 0: up, 1: right, 2: down, 3: left
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# 00 means going up , then going up -> ┃
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# 12 means going right, then going down -> ┓
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sets=(
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"┃┏ ┓┛━┓ ┗┃┛┗ ┏━"
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"│╭ ╮╯─╮ ╰│╯╰ ╭─"
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"│┌ ┐┘─┐ └│┘└ ┌─"
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"║╔ ╗╝═╗ ╚║╝╚ ╔═"
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)
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v="${sets[0]}"
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RNDSTART=0
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NOCOLOR=0
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OPTIND=1
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while getopts "p:t:f:s:r:RCh" arg; do
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case $arg in
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p) ((p=(OPTARG>0)?OPTARG:p));;
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t) ((OPTARG>=0 && OPTARG<${#sets[@]})) && v="${sets[OPTARG]}";;
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f) ((f=(OPTARG>19 && OPTARG<101)?OPTARG:f));;
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s) ((s=(OPTARG>4 && OPTARG<16 )?OPTARG:s));;
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r) ((r=(OPTARG>=0)?OPTARG:r));;
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R) RNDSTART=1;;
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C) NOCOLOR=1;;
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h) echo -e "Usage: $(basename $0) [OPTION]..."
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echo -e "Animated pipes terminal screensaver.\n"
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echo -e " -p [1-]\tnumber of pipes (D=1)."
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echo -e " -t [0-$((${#sets[@]} - 1))]\ttype of pipes (D=0)."
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echo -e " -f [20-100]\tframerate (D=75)."
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echo -e " -s [5-15]\tprobability of a straight fitting (D=13)."
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echo -e " -r LIMIT\treset after x characters, 0 if no limit (D=2000)."
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echo -e " -R \t\trandom starting point."
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echo -e " -C \t\tno color."
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echo -e " -h\t\thelp (this screen).\n"
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exit 0;;
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esac
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done
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cleanup() {
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tput rmcup
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tput cnorm
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exit 0
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}
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trap cleanup SIGHUP SIGINT SIGTERM
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for (( i=1; i<=p; i++ )); do
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c[i]=$((i%8)) n[i]=0 l[i]=0
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((x[i]=RNDSTART==1?RANDOM*w/32768:w/2))
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((y[i]=RNDSTART==1?RANDOM*h/32768:h/2))
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done
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tput smcup
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tput reset
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tput civis
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while ! read -t0.0$((1000/f)) -n1; do
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for (( i=1; i<=p; i++ )); do
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# New position:
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((${l[i]}%2)) && ((x[i]+=-${l[i]}+2,1)) || ((y[i]+=${l[i]}-1))
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# Loop on edges (change color on loop):
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((${x[i]}>w||${x[i]}<0||${y[i]}>h||${y[i]}<0)) && ((c[i]=RANDOM%8))
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((x[i]=(x[i]+w)%w))
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((y[i]=(y[i]+h)%h))
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# New random direction:
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((n[i]=RANDOM%s-1))
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((n[i]=(${n[i]}>1||${n[i]}==0)?${l[i]}:${l[i]}+${n[i]}))
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((n[i]=(${n[i]}<0)?3:${n[i]}%4))
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# Print:
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tput cup ${y[i]} ${x[i]}
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[[ $NOCOLOR == 0 ]] && echo -ne "\033[1;3${c[i]}m"
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echo -n "${v:l[i]*4+n[i]:1}"
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l[i]=${n[i]}
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done
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((r>0 && t*p>=r)) && tput reset && tput civis && t=0 || ((t++))
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done
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cleanup
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@ -0,0 +1,186 @@
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#!/bin/bash
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# Animated pipes.sh terminal screensaver at an angle.
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# Copyright (C) 2013 by Yu-Jie Lin
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# Blog: http://blog.yjl.im/2013/07/pipesxsh-animated-pipessh-terminal.html
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# Gist: https://gist.github.com/livibetter/5974905
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# Screenshot: https://lh3.googleusercontent.com/-UaCta_DtgrQ/Ud6dqIgcfmI/AAAAAAAAE_8/VXPac0OpULU/s800/pipesX.sh.gif
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# Screenshot: https://lh6.googleusercontent.com/-yBety-A8J_c/Ud6dk10sjBI/AAAAAAAAE_0/S98aRRV8t0s/s800/pipesX.sh%25202013-07-11--19%253A51%253A05.png
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# Screencast: http://youtu.be/dITTlFPYVPA
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W=$(tput cols) H=$(tput lines)
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# maximal random value + 1
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M=32768
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SETS=('╱╲' '/\')
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COLORS=(31 32 33 34 35 36 37)
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# default values
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N=1
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T=0
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I=0.05
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P=25
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R=$((W * H / 4))
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HELP="Usage: $(basename $0) [OPTIONS]
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Animated pipes.sh terminal screensaver at an angle.
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Options:
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-n [1-] number of pipes. (Default: $N)
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-t [0-$((${#SETS[@]} - 1))] type of pipes. (Default: $T)
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-i [float] piping interval or maze generation interval. (Default: $I)
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-P [0-100] probability of a turning pipe or of \\ in maze generation. (Default: $P)
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-r [LIMIT] reset after x characters, 0 if no limit. (Default: $R)
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-R random starting point.
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-C no color.
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-X maze generation.
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-h this help message.
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"
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while getopts "n:t:i:P:r:RCXh" arg; do
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case $arg in
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n)
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((N = OPTARG > 0 ? OPTARG : N))
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;;
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t)
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((T = (OPTARG >= 0 && OPTARG < ${#SETS[@]}) ? OPTARG : T))
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;;
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i)
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I=$OPTARG
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;;
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P)
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((P = (OPTARG >= 0 && OPTARG <= 100) ? OPTARG : P))
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;;
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r)
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((R = OPTARG >= 0 ? OPTARG : R))
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;;
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R)
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RNDSTART=1
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;;
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C)
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NOCOLOR=1
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;;
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X)
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MAZE=1
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;;
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h)
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echo -e "$HELP"
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exit 0
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;;
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esac
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done
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do_exit() {
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# Show cursor and echo stdin
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echo -ne "\e[?25h"
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stty echo
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clear
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exit 0
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}
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trap do_exit INT TERM
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# No echo stdin and hide the cursor
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stty -echo
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echo -ne "\e[?25l"
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# maze geneartion
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while [[ $MAZE ]] && clear; do
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[[ $NOCOLOR ]] || echo -ne "\e[1;${COLORS[${#COLORS[@]} * RANDOM / M]}m"
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for ((i = 0; i < W * H; i++ )); do
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echo -ne ${SETS[T]:100 * RANDOM / M < P:1}
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done
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read -t $I -n 1 && [[ $REPLY =~ q|Q ]] && do_exit
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done
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# initialze values
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for ((n = 0; n < N; n++)); do
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((X[n] = RNDSTART ? (W + 2) * RANDOM / M : W / 2))
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((Y[n] = RNDSTART ? (H + 2) * RANDOM / M : H / 2))
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D[n]=$((4 * RANDOM / M))
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C[n]=${COLORS[${#COLORS[@]} * RANDOM / M]}
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done
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clear
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while :; do
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for ((n = 0; n < N; n++, CC = 0)); do
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x=${X[n]} y=${Y[n]}
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d=${D[n]} c=${C[n]}
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# calculate new direction `d`
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# 1 0
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# \/ 4 directions 0 to 3
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# /\
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# 2 3
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# valid directions: d: dd', d' is the new direction
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# d
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# 0: / 00 \ 01 03
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# / / /\
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# 1: / 10 \ 11 12
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# \ \ /\
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# 2: \/ 21 / 22 / 23
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# / \
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# 3: \/ 30 \ 32 \ 33
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# / \
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((d = (100 * RANDOM / M) < P ? ((d + 1) + 2 * (RANDOM % 2)) % 4 : d))
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((e = (d + 1) % 4))
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# calculate new position
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# d' x' y'
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# 0: x+1 y-1
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# 1: x-1 y-1
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# 2: x-1 y+1
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# 3: x+1 y+1
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((xn = e < 2 ? x + 1 : x - 1))
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((yn = d < 2 ? y - 1 : y + 1))
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# adjust position and change color?
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((d < 2 && y == 0)) && ((yn--, CC=1))
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((e > 1 && x == 0)) && ((xn--, CC=1))
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((d > 1 && y == H)) && ((yn++, CC=1))
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((e < 2 && x == W)) && ((xn++, CC=1))
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((CC)) && c=${COLORS[${#COLORS[@]} * RANDOM / M]}
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# warp pipe
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((xn = (xn + W + 1) % (W + 1)))
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((yn = (yn + H + 1) % (H + 1)))
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# calculate position in terminal
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# d' xt yt
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# 0: x' y'+1
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# 1: x'+1 y'+1
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# 2: x'+1 y'
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# 3: x' y'
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((xt = e < 2 ? xn : xn + 1))
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((yt = d < 2 ? yn + 1 : yn))
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echo -ne "\e[${yt};${xt}H"
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[[ $NOCOLOR ]] || echo -ne "\e[1;${c}m"
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echo -n "${SETS[T]:d%2:1}"
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X[n]=$xn Y[n]=$yn
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D[n]=$d C[n]=$c
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done
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read -t $I -n 1 && [[ $REPLY =~ q|Q ]] && do_exit
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((R)) && ((r += N, r >= R)) && r=0 && clear
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done
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do_exit
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@ -0,0 +1,129 @@
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#!/bin/bash
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# Let it Rain!
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# Copyright (C) 2011, 2013 by Yu-Jie Lin
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# Blog: http://blog.yjl.im/2013/07/let-it-rain.html
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# Gist: https://gist.github.com/livibetter/5933594
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# Gif : https://lh5.googleusercontent.com/-0WJ1vSZcFPs/UdadOwdPEXI/AAAAAAAAE-c/6kuH9hP3cUo/s800/rain.sh.gif
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# Clip: http://youtu.be/EssRgAh2w_c
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#
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# Modified from falling-<3s.sh:
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# http://blog.yjl.im/2011/02/time-to-have-falling-hearts-screensaver.html
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RAINS=("|" "│" "┃" "┆" "┇" "┊" "┋" "╽" "╿")
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COLORS=("\e[37m" "\e[37;1m")
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# More from 256 color mode
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for i in {244..255}; do
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COLORS=("${COLORS[@]}" "\e[38;5;${i}m")
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done
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NRAINS=${#RAINS[@]}
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NCOLORS=${#COLORS[@]}
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NUM_RAIN_METADATA=5
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sigwinch() {
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TERM_WIDTH=$(tput cols)
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TERM_HEIGHT=$(tput lines)
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STEP_DURATION=0.025
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((MAX_RAINS = TERM_WIDTH * TERM_HEIGHT / 4))
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((MAX_RAIN_LENGTH = TERM_HEIGHT < 10 ? 1 : TERM_HEIGHT / 10))
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# In percentage
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((NEW_RAIN_ODD = TERM_HEIGHT > 50 ? 100 : TERM_HEIGHT * 2))
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((NEW_RAIN_ODD = NEW_RAIN_ODD * 75 / 100))
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((FALLING_ODD = TERM_HEIGHT > 25 ? 100 : TERM_HEIGHT * 4))
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||||||
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((FALLING_ODD = FALLING_ODD * 90 / 100))
|
||||||
|
}
|
||||||
|
|
||||||
|
do_exit() {
|
||||||
|
echo -ne "\e[${TERM_HEIGHT};1H\e[0K"
|
||||||
|
|
||||||
|
# Show cursor and echo stdin
|
||||||
|
echo -ne "\e[?25h"
|
||||||
|
stty echo
|
||||||
|
exit 0
|
||||||
|
}
|
||||||
|
|
||||||
|
do_render() {
|
||||||
|
# Clean screen first
|
||||||
|
for ((idx = 0; idx < num_rains * NUM_RAIN_METADATA; idx += NUM_RAIN_METADATA)); do
|
||||||
|
X=${rains[idx]}
|
||||||
|
Y=${rains[idx + 1]}
|
||||||
|
LENGTH=${rains[idx + 4]}
|
||||||
|
for ((y = Y; y < Y + LENGTH; y++)); do
|
||||||
|
(( y < 1 || y > TERM_HEIGHT )) && continue
|
||||||
|
echo -ne "\e[${y};${X}H "
|
||||||
|
done
|
||||||
|
done
|
||||||
|
|
||||||
|
for ((idx = 0; idx < num_rains * NUM_RAIN_METADATA; idx += NUM_RAIN_METADATA)); do
|
||||||
|
if ((100 * RANDOM / 32768 < FALLING_ODD)); then
|
||||||
|
# Falling
|
||||||
|
if ((++rains[idx + 1] > TERM_HEIGHT)); then
|
||||||
|
# Out of screen, bye sweet <3
|
||||||
|
rains=("${rains[@]:0:idx}"
|
||||||
|
"${rains[@]:idx+NUM_RAIN_METADATA:num_rains*NUM_RAIN_METADATA}")
|
||||||
|
((num_rains--))
|
||||||
|
continue
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
X=${rains[idx]}
|
||||||
|
Y=${rains[idx + 1]}
|
||||||
|
RAIN=${rains[idx + 2]}
|
||||||
|
COLOR=${rains[idx + 3]}
|
||||||
|
LENGTH=${rains[idx + 4]}
|
||||||
|
for ((y = Y; y < Y + LENGTH; y++)); do
|
||||||
|
(( y < 1 || y > TERM_HEIGHT )) && continue
|
||||||
|
echo -ne "\e[${y};${X}H${COLOR}${RAIN}"
|
||||||
|
done
|
||||||
|
done
|
||||||
|
}
|
||||||
|
|
||||||
|
trap do_exit TERM INT
|
||||||
|
trap sigwinch WINCH
|
||||||
|
# No echo stdin and hide the cursor
|
||||||
|
stty -echo
|
||||||
|
echo -ne "\e[?25l"
|
||||||
|
|
||||||
|
echo -ne "\e[2J"
|
||||||
|
rains=()
|
||||||
|
sigwinch
|
||||||
|
while :; do
|
||||||
|
read -n 1 -t $STEP_DURATION ch
|
||||||
|
case "$ch" in
|
||||||
|
q|Q)
|
||||||
|
do_exit
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
|
||||||
|
if ((num_rains < MAX_RAINS)) && ((100 * RANDOM / 32768 < NEW_RAIN_ODD)); then
|
||||||
|
# Need new |, 1-based
|
||||||
|
RAIN="${RAINS[NRAINS * RANDOM / 32768]}"
|
||||||
|
COLOR="${COLORS[NCOLORS * RANDOM / 32768]}"
|
||||||
|
LENGTH=$((MAX_RAIN_LENGTH * RANDOM / 32768 + 1))
|
||||||
|
X=$((TERM_WIDTH * RANDOM / 32768 + 1))
|
||||||
|
Y=$((1 - LENGTH))
|
||||||
|
rains=("${rains[@]}" "$X" "$Y" "$RAIN" "$COLOR" "$LENGTH")
|
||||||
|
((num_rains++))
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Let rain fall!
|
||||||
|
do_render
|
||||||
|
done
|
@ -0,0 +1,72 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# Weaving with simple math in terminal
|
||||||
|
# https://bitbucket.org/livibetter/weave.sh
|
||||||
|
# Copyright (c) 2013 Yu-Jie Lin
|
||||||
|
#
|
||||||
|
# Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||||
|
# this software and associated documentation files (the "Software"), to deal in
|
||||||
|
# the Software without restriction, including without limitation the rights to
|
||||||
|
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
||||||
|
# of the Software, and to permit persons to whom the Software is furnished to do
|
||||||
|
# so, subject to the following conditions:
|
||||||
|
#
|
||||||
|
# The above copyright notice and this permission notice shall be included in all
|
||||||
|
# copies or substantial portions of the Software.
|
||||||
|
#
|
||||||
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||||
|
# SOFTWARE.
|
||||||
|
|
||||||
|
|
||||||
|
VERSION=0.1.0
|
||||||
|
|
||||||
|
# Characters and colors for vertical and horizontal lines
|
||||||
|
: ${char_v:='|'} ${char_h:='-'}
|
||||||
|
: ${color_v:='\e[32;1m'} ${color_h:='\e[31;1m'}
|
||||||
|
|
||||||
|
# Sleep delays
|
||||||
|
: ${sleep_v:=0.01} ${sleep_h:=0.01}
|
||||||
|
: ${sleep_end:=5}
|
||||||
|
|
||||||
|
: ${eval_h:="$1"} Get evaluation code from '$1'
|
||||||
|
: ${eval_h:='(((x+y)%2))'} , or set to a default pattern
|
||||||
|
: ${show_eval_h:=no} "yes" to print out evaluation code
|
||||||
|
|
||||||
|
W=$(tput cols) H=$(tput lines)
|
||||||
|
|
||||||
|
|
||||||
|
draw_v() {
|
||||||
|
local line y
|
||||||
|
printf -v line '%*s' $W ; line=${line// /$char_v}
|
||||||
|
for ((y=1; y<=H; y++)); do
|
||||||
|
echo -ne "\e[${y};1H${color_v}${line}"
|
||||||
|
sleep $sleep_v
|
||||||
|
done
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
draw_h() {
|
||||||
|
local x y
|
||||||
|
for ((x=1; x<=W; x++)); do
|
||||||
|
for ((y=1; y<=H; y++)); do
|
||||||
|
eval "$eval_h" && echo -ne "\e[${y};${x}H${color_h}${char_h}"
|
||||||
|
done
|
||||||
|
sleep $sleep_h
|
||||||
|
done
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
main() {
|
||||||
|
clear
|
||||||
|
draw_v
|
||||||
|
draw_h
|
||||||
|
[[ $show_eval_h == yes ]] && echo -ne "\e[$H;1H\e[0m${eval_h:0:$W}"
|
||||||
|
sleep $sleep_end
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
main
|
Loading…
Reference in New Issue