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27 lines
499 B
Bash
27 lines
499 B
Bash
#!/usr/bin/env bash
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p=3.14
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i=0
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reset () {
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/usr/bin/reset
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printf "\033[H\033[2J\033[0m"
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exit
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}
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trap "setterm --cursor on; stty echo; echo ${clear}; exit; trap -- - SIGINT SIGTERM" SIGTERM SIGINT
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trap reset EXIT
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trap reset SIGINT
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stty -echo
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setterm --cursor off
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while true; do
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i=$(bc -l <<< "$i+0.04")
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r=$(bc -l <<< "128+127*s($i)")
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g=$(bc -l <<< "128+127*s($i+$p*(1/3))")
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b=$(bc -l <<< "128+127*s($i+$p*(2/3))")
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printf "\033[48;2;${r%%.*};${g%%.*};${b%%.*}m\n"
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sleep .01
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done
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