Trouble making random spawning enemies shoot bullets - ruby

Question

I have figured out how to randomly spawn enemies in different locations, but I cant figure out to make some of the enemies randomly fire bullets.
I created a Bullet class and a Enemy class. I use attr_reader to locate the enemies and call the x and y locations in the new Bullet method, but it fails to find where the enemy is located.
require 'gosu'
require_relative 'player'
require_relative 'enemy'
require_relative 'bullet'
class Proto < Gosu::Window
WIDTH = 1000
HEIGHT = 800
ENEMY_FREQUENCY = 0.03
attr_reader :x, :y, :radius, :angle
def initialize
super(WIDTH,HEIGHT)
self.caption = "Proto"
#player = Player.new(self)
#enemies = []
#bullets = []
#framecounter = 0
end
def update
#framecounter += 1
#player.turn_left if button_down?(Gosu::KbLeft)
#player.turn_right if button_down?(Gosu::KbRight)
#player.accelerate if button_down?(Gosu::KbUp)
#player.backward if button_down?(Gosu::KbDown)
#player.move
if rand < ENEMY_FREQUENCY
#enemies.push Enemy.new(self)
end
#enemies.each do |enemy|
enemy.move
if #framecounter % 60 == 0 && #enemies[3]
#bullets.push Bullet.new(self, #enemy.x, #enemy.y, #enemy.angle)
end
end
#bullets.each do |bullet|
bullet.move
end
end
def draw
#player.draw
#enemies.each do |enemy|
enemy.draw
end
#bullets.each do |bullet|
bullet.draw
end
end
end
window = Proto.new
window.show
class Enemy
SPEED = 1
attr_reader :x, :y, :radius, :angle
def initialize(window)
#radius = 20
#x = rand(window.width - 2 * #radius) + #radius
#y = 0
#image = Gosu::Image.new('ima/tile000.png')
end
def move
#y += SPEED
end
def draw
#image.draw(#x - #radius, #y - #radius, 2)
end
end
require_relative 'enemy'
class Bullet
SPEED = 5
def initialize(window, x, y, angle)
#x = x
#y = y
#direction = angle
#image = Gosu::Image.new('ima/tile000.png')
#imaget = Gosu::Image.new('ima/tile000.png')
#radius = 3
#window = window
end
def move
#y += SPEED
end
def draw
#image.draw(#x - #radius, #y - #radius, 1)
#imaget.draw(#enemy.x - radius, #enemy.y - #radius, 1)
end
end
I expect random enemies to fire bullets.

Answer 1

As discussed in the comments, the issue was that you had
#enemies.each do |enemy|
#enemy.draw
end
instead of
#enemies.each do |enemy|
enemy.draw
end