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Diffstat (limited to '')
| -rw-r--r-- | fun/pipes.sh | 108 | ||||
| -rw-r--r-- | fun/pipesx.sh | 159 |
2 files changed, 0 insertions, 267 deletions
diff --git a/fun/pipes.sh b/fun/pipes.sh deleted file mode 100644 index 5cc366e..0000000 --- a/fun/pipes.sh +++ /dev/null @@ -1,108 +0,0 @@ -#!/bin/bash -# The author of the original script is unknown to me. The first entry I can -# find was posted at 2010-03-21 09:50:09 on Arch Linux Forums (doesn't mean the -# poster is the author at all): -# -# https://bbs.archlinux.org/viewtopic.php?pid=728932#p728932 -# -# I, Yu-Jie Lin, made a few changes and additions: -# -# -p, -t, -R, and -C -# -# Screenshot: http://flic.kr/p/dRnLVj -# Screencast: http://youtu.be/5XnGSFg_gTk -# -# And push the commits to Gist: -# -# https://gist.github.com/4689307 -# -# I, Devin Samarin, made a few changes and additions: -# -# -r can be 0 to mean "no limit". -# Reset cursor visibility after done. -# Cleanup for those people who want to quit with ^C -# -# Pushed the changes to https://gist.github.com/4725048 - -p=1 -f=75 s=13 r=2000 t=0 -w=$(tput cols) h=$(tput lines) -# ab -> idx = a*4 + b -# 0: up, 1: right, 2: down, 3: left -# 00 means going up , then going up -> ┃ -# 12 means going right, then going down -> ┓ -sets=( - "┃┏ ┓┛━┓ ┗┃┛┗ ┏━" - "│╭ ╮╯─╮ ╰│╯╰ ╭─" - "│┌ ┐┘─┐ └│┘└ ┌─" - "║╔ ╗╝═╗ ╚║╝╚ ╔═" -) -v="${sets[0]}" -RNDSTART=0 -NOCOLOR=0 - -OPTIND=1 -while getopts "p:t:f:s:r:RCh" arg; do -case $arg in - p) ((p=(OPTARG>0)?OPTARG:p));; - t) ((OPTARG>=0 && OPTARG<${#sets[@]})) && v="${sets[OPTARG]}";; - f) ((f=(OPTARG>19 && OPTARG<101)?OPTARG:f));; - s) ((s=(OPTARG>4 && OPTARG<16 )?OPTARG:s));; - r) ((r=(OPTARG>=0)?OPTARG:r));; - R) RNDSTART=1;; - C) NOCOLOR=1;; - h) echo -e "Usage: $(basename $0) [OPTION]..." - echo -e "Animated pipes terminal screensaver.\n" - echo -e " -p [1-]\tnumber of pipes (D=1)." - echo -e " -t [0-$((${#sets[@]} - 1))]\ttype of pipes (D=0)." - echo -e " -f [20-100]\tframerate (D=75)." - echo -e " -s [5-15]\tprobability of a straight fitting (D=13)." - echo -e " -r LIMIT\treset after x characters, 0 if no limit (D=2000)." - echo -e " -R \t\trandom starting point." - echo -e " -C \t\tno color." - echo -e " -h\t\thelp (this screen).\n" - exit 0;; - esac -done - -cleanup() { - tput rmcup - tput cnorm - exit 0 -} -trap cleanup SIGHUP SIGINT SIGTERM - -for (( i=1; i<=p; i++ )); do - c[i]=$((i%8)) n[i]=0 l[i]=0 - ((x[i]=RNDSTART==1?RANDOM*w/32768:w/2)) - ((y[i]=RNDSTART==1?RANDOM*h/32768:h/2)) -done - -tput smcup -tput reset -tput civis -while ! read -t0.0$((1000/f)) -n1; do - for (( i=1; i<=p; i++ )); do - # New position: - ((${l[i]}%2)) && ((x[i]+=-${l[i]}+2,1)) || ((y[i]+=${l[i]}-1)) - - # Loop on edges (change color on loop): - ((${x[i]}>w||${x[i]}<0||${y[i]}>h||${y[i]}<0)) && ((c[i]=RANDOM%8)) - ((x[i]=(x[i]+w)%w)) - ((y[i]=(y[i]+h)%h)) - - # New random direction: - ((n[i]=RANDOM%s-1)) - ((n[i]=(${n[i]}>1||${n[i]}==0)?${l[i]}:${l[i]}+${n[i]})) - ((n[i]=(${n[i]}<0)?3:${n[i]}%4)) - - # Print: - tput cup ${y[i]} ${x[i]} - [[ $NOCOLOR == 0 ]] && echo -ne "\033[1;3${c[i]}m" - echo -n "${v:l[i]*4+n[i]:1}" - l[i]=${n[i]} - done - ((r>0 && t*p>=r)) && tput reset && tput civis && t=0 || ((t++)) -done - -cleanup
\ No newline at end of file diff --git a/fun/pipesx.sh b/fun/pipesx.sh deleted file mode 100644 index 02ed325..0000000 --- a/fun/pipesx.sh +++ /dev/null @@ -1,159 +0,0 @@ -#!/bin/bash -W=$(tput cols) H=$(tput lines) -# maximal random value + 1 -M=32768 - -SETS=('╱╲' '/\') -COLORS=(31 32 33 34 35 36 37) - -# default values -N=1 -T=0 -I=0.05 -P=25 -R=$((W * H / 4)) - -HELP="Usage: $(basename $0) [OPTIONS] -Animated pipes.sh terminal screensaver at an angle. - -Options: - - -n [1-] number of pipes. (Default: $N) - -t [0-$((${#SETS[@]} - 1))] type of pipes. (Default: $T) - -i [float] piping interval or maze generation interval. (Default: $I) - -P [0-100] probability of a turning pipe or of \\ in maze generation. (Default: $P) - -r [LIMIT] reset after x characters, 0 if no limit. (Default: $R) - -R random starting point. - -C no color. - -X maze generation. - -h this help message. -" - -while getopts "n:t:i:P:r:RCXh" arg; do - case $arg in - n) - ((N = OPTARG > 0 ? OPTARG : N)) - ;; - t) - ((T = (OPTARG >= 0 && OPTARG < ${#SETS[@]}) ? OPTARG : T)) - ;; - i) - I=$OPTARG - ;; - P) - ((P = (OPTARG >= 0 && OPTARG <= 100) ? OPTARG : P)) - ;; - r) - ((R = OPTARG >= 0 ? OPTARG : R)) - ;; - R) - RNDSTART=1 - ;; - C) - NOCOLOR=1 - ;; - X) - MAZE=1 - ;; - h) - echo -e "$HELP" - exit 0 - ;; - esac -done - -do_exit() { - # Show cursor and echo stdin - echo -ne "\e[?25h" - stty echo - clear - exit 0 - } -trap do_exit INT TERM - -# No echo stdin and hide the cursor -stty -echo -echo -ne "\e[?25l" - -# maze geneartion -while [[ $MAZE ]] && clear; do - [[ $NOCOLOR ]] || echo -ne "\e[1;${COLORS[${#COLORS[@]} * RANDOM / M]}m" - for ((i = 0; i < W * H; i++ )); do - echo -ne ${SETS[T]:100 * RANDOM / M < P:1} - done - read -t $I -n 1 && [[ $REPLY =~ q|Q ]] && do_exit -done - -# initialze values -for ((n = 0; n < N; n++)); do - ((X[n] = RNDSTART ? (W + 2) * RANDOM / M : W / 2)) - ((Y[n] = RNDSTART ? (H + 2) * RANDOM / M : H / 2)) - D[n]=$((4 * RANDOM / M)) - C[n]=${COLORS[${#COLORS[@]} * RANDOM / M]} -done - -clear -while :; do - for ((n = 0; n < N; n++, CC = 0)); do - x=${X[n]} y=${Y[n]} - d=${D[n]} c=${C[n]} - - # calculate new direction `d` - # 1 0 - # \/ 4 directions 0 to 3 - # /\ - # 2 3 - # valid directions: d: dd', d' is the new direction - # d - # 0: / 00 \ 01 03 - # / / /\ - # 1: / 10 \ 11 12 - # \ \ /\ - # 2: \/ 21 / 22 / 23 - # / \ - # 3: \/ 30 \ 32 \ 33 - # / \ - ((d = (100 * RANDOM / M) < P ? ((d + 1) + 2 * (RANDOM % 2)) % 4 : d)) - ((e = (d + 1) % 4)) - - # calculate new position - # d' x' y' - # 0: x+1 y-1 - # 1: x-1 y-1 - # 2: x-1 y+1 - # 3: x+1 y+1 - ((xn = e < 2 ? x + 1 : x - 1)) - ((yn = d < 2 ? y - 1 : y + 1)) - - # adjust position and change color? - ((d < 2 && y == 0)) && ((yn--, CC=1)) - ((e > 1 && x == 0)) && ((xn--, CC=1)) - ((d > 1 && y == H)) && ((yn++, CC=1)) - ((e < 2 && x == W)) && ((xn++, CC=1)) - ((CC)) && c=${COLORS[${#COLORS[@]} * RANDOM / M]} - - # warp pipe - ((xn = (xn + W + 1) % (W + 1))) - ((yn = (yn + H + 1) % (H + 1))) - - # calculate position in terminal - # d' xt yt - # 0: x' y'+1 - # 1: x'+1 y'+1 - # 2: x'+1 y' - # 3: x' y' - ((xt = e < 2 ? xn : xn + 1)) - ((yt = d < 2 ? yn + 1 : yn)) - - echo -ne "\e[${yt};${xt}H" - [[ $NOCOLOR ]] || echo -ne "\e[1;${c}m" - echo -n "${SETS[T]:d%2:1}" - - X[n]=$xn Y[n]=$yn - D[n]=$d C[n]=$c - done - read -t $I -n 1 && [[ $REPLY =~ q|Q ]] && do_exit - ((R)) && ((r += N, r >= R)) && r=0 && clear -done - -do_exit
\ No newline at end of file |