Created
May 28, 2019 15:07
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Test true colors on terminal
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| # from https://twitter.com/josh_cheek/status/1116321447234940928 | |
| ruby -eh,w=$LINES,$COLUMNS' | |
| B=(0..20).map{[0,rand*h,rand*5,rand]} | |
| loop{B. map!{|x,y,v,a|[(x+v),y+a=y<0?-a:a-0.1,v,a]} | |
| $><<"\e[H"<<h.times. map{|v|w.times. map{|u|d=B. map{|x,y|Math.sqrt (w/2-(x+w/2-u)%w)**2/4+(v-y)**2}.min*9 | |
| "\e[48;2;#{d<0?0:d>255?255:d. to_i};0;0m "}*""}*"\n"}' |
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