Method: Flatulent#hammer

Defined in:
lib/flatulent.rb

#hammer(chars) ⇒ Object

–}}}



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# File 'lib/flatulent.rb', line 449

def hammer chars #--{{{
  # transform character chars
  newline = "\n"[0]
  space = " "[0]
  alphas = ('A'..'Z').to_a + ('a'..'z').to_a
  transform = {
    '|'  => rchar(%w'. * + , ; : ' + alphas),
    '/'  => rchar(%w'] [ { } ( ) @' + alphas),
    '\\' => rchar(%w'/ ] [ { } ( ) @' + alphas),
    '-'  => rchar(%w'_ * ^ # @ ~'),
    '_'  => rchar(%w'- * ^ # @ ~'),
    '('  => rchar(%w'/ ] [ { } ) @' + alphas),
    ')'  => rchar(%w'/ ] [ { } ( @' + alphas),
  }
  to_transform = 
    (0 ... chars.size).to_a.select{|i| chars[i] !~ %r"\s"}.sort_by{ rand }
  to_transform = to_transform.first((to_transform.size * @transform).ceil)
  to_transform.each do |i|
    char = chars[i]
    chars[i] = (transform[char] || lambda{char}).call
  end

  # background noise
  to_noise = 
    (0 ... chars.size).to_a.select{|i| chars[i] =~ %r" "}.sort_by{ rand }
  to_noise = to_noise.first((to_noise.size * @noise).ceil)
  noisy = %w`| / ( ) \\ ! [ ] < > ^ v V` 
  noise = lambda{|*a| noisy[ rand(noisy.size) ]}
  to_noise.each do |i|
    char = chars[i]
    chars[i] = noise[char]
  end
end