13 December 2013
「Macのターミナルで雪が降る」をカラー化した。翻訳した。
こちらの記事でターミナルで雪を降らせるRubyスクリプトを知る。
そのスクリプト。
ruby -e 'C=`stty size`.scan(/\d+/)[1].to_i;S=["2743".to_i(16)].pack("U*");a={};puts "\033[2J";loop{a[rand(C)]=0;a.each{|x,o|;a[x]+=1;print "\033[#{o};#{x}H \033[#{a[x]};#{x}H#{S} \033[0;0H"};$stdout.flush;sleep 0.1}'
感動した。
カラー化した。
ruby -e 'C=`stty size`.scan(/\d+/)[1].to_i;S=["2743".to_i(16)].pack("U*");a={};puts "\033[2J";loop{a[rand(C)]=0;a.each{|x,o|;a[x]+=1;print "\033[#{o};#{x}H \033[#{[*31..37].sample}m \033[#{a[x]};#{x}H#{S} \033[0;0H \033[0m"};$stdout.flush;sleep 0.1}'
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雪じゃない。
翻訳もした。
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| # Translate Let it Snow in the Terminal from Ruby to Ruby | |
| # | |
| # Original code: | |
| # ruby -e 'C=`stty size`.scan(/\d+/)[1].to_i;S=["2743".to_i(16)].pack("U*");a={}; \ | |
| # puts "\e[2J";loop{a[rand(C)]=0;a.each{|x,o|;a[x]+=1;print "\e[#{o};#{x}H \ | |
| # \e[#{a[x]};#{x}H#{S} \e[0;0H"};$stdout.flush;sleep 0.1}' | |
| # | |
| # Let it Snow in the Terminal of Mac OS X with This Command | |
| # http://osxdaily.com/2013/12/06/snow-terminal-mac-os-x-command/ | |
| # | |
| # Macのターミナルで雪が降る ～ 最後のホワイトクリスマス - #RyoAnnaBlog | |
| # http://d.hatena.ne.jp/RyoAnna/20131211/1386769871 | |
| class Snow | |
| MARK = ["2743".to_i(16)].pack("U*") | |
| def self.run(x, colorize=false, mark=MARK) | |
| new(x, colorize, mark).run | |
| end | |
| def initialize(x, colorize, mark) | |
| @x = x | |
| @colorize = colorize | |
| @mark = mark | |
| @screen = {} | |
| $stdout.sync = true | |
| end | |
| def run | |
| clear_screen | |
| loop_on(0.1) do | |
| print_snows | |
| end | |
| end | |
| private | |
| def clear_screen | |
| print "\e[2J" | |
| end | |
| def loop_on(interval) | |
| loop do | |
| yield | |
| sleep interval | |
| end | |
| end | |
| def print_snows | |
| @screen[rand @x] = 0 | |
| @screen.each do |x, y| | |
| @screen[x] += 1 | |
| clear_prev_snow(x, y) | |
| color = @colorize ? [*31..37].sample : 37 | |
| draw_snow(x, @screen[x], color) | |
| end | |
| end | |
| def clear_prev_snow(x, y) | |
| draw_mark(x, y, " ") | |
| end | |
| def draw_snow(x, y, color) | |
| draw_mark(x, y, @mark, color) | |
| end | |
| def draw_mark(x, y, mark, color=37) | |
| print "\e[%dm \e[%d;%dH%s \e[0;0H \e[0m" % [color, y, x, mark] | |
| end | |
| end | |
| if __FILE__ == $0 | |
| # $ ruby snow.rb c | |
| # or | |
| # ruby -e 'C=`stty size`.scan(/\d+/)[1].to_i;S=["2743".to_i(16)].pack("U*");a={};puts "\e[2J";loop{a[rand(C)]=0;a.each{|x,o|;a[x]+=1;print "\e[#{o};#{x}H \e[#{[*31..37].sample}m \e[#{a[x]};#{x}H#{S} \e[0;0H \e[0m"};$stdout.flush;sleep 0.1}' | |
| columns = `stty size`.scan(/\d+/)[1].to_i | |
| colorize = ARGV[0].to_s.match(/^c/i) ? true : false | |
| Snow.run(columns, colorize) | |
| end |
