SpaceFight.py

import pygame
from pygame.sprite import Group

import game_functions as gf
from game_stats import GameStats
from settings import Settings
from ship import Ship
from button import Button

def run_game():
    # Initialise the game and create a screen object

    pygame.init()
    sf_settings = Settings()
    screen = pygame.display.set_mode((sf_settings.screen_width, sf_settings.screen_height))
    pygame.display.set_caption('Space Fight')

    play_button = Button(sf_settings, screen, 'play')

    stats = GameStats(sf_settings)

    #create a ship
    ship = Ship(sf_settings, screen)
    #create a Group for bullets
    bullets = Group()

    aliens = Group()

    gf.create_fleet(sf_settings, screen, ship, aliens)

    # Start the main loop of the game
    while True:
        gf.check_events(sf_settings, screen, ship, bullets)

        if stats.game_active:
            ship.update()
            gf.update_bullets(sf_settings, screen, ship, aliens, bullets)
            gf.update_aliens(sf_settings, stats, screen, ship, aliens, bullets)

        gf.update_screen(sf_settings, screen, stats, ship, aliens, bullets, play_button)

run_game()