def create_stars_background(ai_settings, screen, stars):
"""Create a full screen of stars"""
star = Star(screen)
if len(stars) < 50:
for star_number in range(1):
star = Star(screen)
star.x = randint(0, ai_settings.screen_width)
star.y = randint(0, ai_settings.screen_height)
star.rect.x = star.x
star.rect.y = star.y
stars.add(star)
def create_star(ai_settings, screen, stars, x_number, y_number):
random_star = random.randint(0, 3)
star = Star(ai_settings, screen, random_star)
star_width = star.rect.width
star_height = star.rect.height
star.x = 2 * star_width * x_number + star_width * (random.randint(-8, 8) / 16 + 1)
star.y = 2 * star_height * y_number + star_height * random.randint(0, 16) / 16
star.rect.x = star.x
star.rect.y = star.y
stars.add(star)