Method: LSystem::RulesEngine#each

Defined in:
lib/l_system/rules_engine.rb

#each(&block) ⇒ Object

Yield each successive generation to the given block, or return an Enumerator that will do so if no block is given.



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# File 'lib/l_system/rules_engine.rb', line 132

def each( &block )
  iter = Enumerator.new do |yielder|
    state = new_state = self.axiom.dup

    begin
      yielder.yield( new_state )
      state = new_state
      new_state = self.apply_rules( state )
    end until state == new_state
  end

  return iter unless block
  return iter.each( &block )
end