convert_to_pig_latin.rb

def convert_to_pig_latin(word)
  @word_array = word.downcase.split("")
  @vowels = ['a', 'e', 'i', 'o', 'u']

  if @vowels.include?(@word_array[0])
    word = @word_array.join('')
  else
    move_letters
    add_ay
  end
end

def move_letters
  first_letter = @word_array.shift
  @first_letter_at_end = @word_array.push(first_letter).join('')
end

def add_ay
  @first_letter_at_end + "ay"
end