Contents

module Blink
  module Patterns
    
    def self.breath(hex_color = "#0000ff", length = 5, depth = 0.3) 
      brightness = [0.0000, 0.0293, 0.1427, 0.4128, 0.8459, 1.0000, 0.8336, 0.5159, 0.2334, 0.0574, 0.0141, 0.0000]
      interval   = [1.5,    1.0,    1.0,    1.0,    1.2,    1.5,    1.2,    1.2,    1.2,    1.2,    1.2,    0.0]
      stretch    = length / interval.inject(:+) 

      (0..11).each do |pos|
        color    = Blink::Patterns.darken(hex_color, (1 - brightness[pos]) * depth)
        duration = stretch * interval[pos] * 1000
        write_pattern_line(duration, *color, pos)
        play
      end
    end

    def self.police
      write_pattern_line(500, *Blink::Patterns.to_rgb("#000000"), 0)
      write_pattern_line(100, *Blink::Patterns.to_rgb("#ff0000"), 1)
      write_pattern_line(500, *Blink::Patterns.to_rgb("#000000"), 2)
      write_pattern_line(100, *Blink::Patterns.to_rgb("#0000ff"), 3)
      write_pattern_line(0, 0, 0, 0, 4)
      write_pattern_line(0, 0, 0, 0, 5)
      write_pattern_line(0, 0, 0, 0, 6)
      write_pattern_line(0, 0, 0, 0, 7)
      write_pattern_line(0, 0, 0, 0, 8)
      write_pattern_line(0, 0, 0, 0, 9)
      write_pattern_line(0, 0, 0, 0, 10)
      write_pattern_line(0, 0, 0, 0, 11)
      play
    end

    def self.to_rgb(hex_color)
      hex_color.gsub('#','').scan(/../).map {|color| color.hex}
    end

    def self.darken(hex_color, amount=0.4)
      to_rgb(hex_color).map { |c| (c * (1 - amount)).round }
    end

    def self.write_pattern_line(duration, r, g, b, pos)
      `blink1-tool -m #{duration.to_i} --savergb #{r},#{g},#{b},#{pos}`
    end

    def self.play
      `blink1-tool --play 1,0`
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
blink1-patterns-0.0.3	lib/blink1-patterns.rb
blink1-patterns-0.0.2	lib/blink1-patterns.rb