Method: NLife::Helper.golly_to_array

Defined in:
lib/nlife/helper.rb

.golly_to_array(string) ⇒ Object 



33
34
35
36
37
38
39
40
 
# File 'lib/nlife/helper.rb', line 33

def golly_to_array(string)
  match = %r{^B([0-8]*)\/S([0-8]*)$}.match(string)
  raise ArgumentError 'wrong input format' unless match
  birth = (0..8).map { |i| match[1].include? i.to_s }
  survival = Array.new(9, false)
  match[2].split(//).map(&:to_i).each { |i| survival[i] = true }
  return birth, survival
end