Главный alien.py

import sys
import pygame
from Settings import settings
from ship import Ship
import game_functions as gf
from pygame.sprite import Group


ai_settings = settings()


def run_game():
    pygame.init()
    screen = pygame.display.set_mode((ai_settings.screen_width, ai_settings.screen_height))
    pygame.display.set_caption("Alien_isolation")
    ship = Ship(screen)
    bullets = Group()
    while True:
        gf.check_events(ai_settings, screen, ship, bullets)
        ship.update()
        bullets.update()
        gf.update_screen(ai_settings, screen, ship, bullets)

run_game()





game_functions.py

import sys
import pygame
from bullet import Bullet

def check_keydown_events(event, ai_settings, screen, ship, bullets):
    if event.key == pygame.K_LEFT:
        ship.moving_left = True
    if event.key == pygame.K_RIGHT:
        ship.moving_right = True
    elif event.key == pygame.K_SPACE:
        new_bullet = Bullet(ai_settings, screen, ship)
        bullets.add(new_bullet)

def check_keyup_events(event, ship):
    if event.key == pygame.K_LEFT:
        ship.moving_left = False
    if event.key == pygame.K_RIGHT:
        ship.moving_right = False

def check_events(ai_settings, screen, ship, bullets):
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
        elif event.type == pygame.KEYDOWN:
            check_keydown_events(event, ai_settings, screen, ship, bullets)
        elif event.type == pygame.KEYUP:
            check_keyup_events(event, ship)
def update_screen(ai_settings, screen, ship, bullets):
    for bullet in bullets.sprites():
        bullet.draw_bullet()

    screen.fill(ai_settings.bg_color)
    ship.bltime()
    pygame.display.flip()



bullet.py

import pygame
from pygame.sprite import Sprite

class Bullet(Sprite):
    def __init__(self, ai_settings, screen, ship):
        super(Bullet, self).__init__()
        self.screen = screen

        self.rect = pygame.Rect(0, 0 , ai_settings.bullet_width, ai_settings.bullet_height)
        self.rect.centerx = ship.rect.centerx
        self.rect.top = ship.rect.top

        self.y = float(self.rect.y)

        self.color = ai_settings.bullet_color
        self.speed_factor = ai_settings.bullet_speed_factor

    def update(self):
        self.y -= self.speed_factor
        self.rect.y = self.y
    def draw_bullet(self):
        pygame.draw.rect(self.screen, self.color, self.rect)






settings.py

class settings():
    def __init__(self):
        self.bg_color = (112,112,112)
        self.screen_width = 1200
        self.screen_height = 800

        self.bullet_speed_factor = 1
        self.bullet_width = 3
        self.bullet_height = 15
        self.bullet_color = 61, 61, 61





ship.py

import pygame

class Ship():
    def __init__(self, screen):

        self.screen = screen

        self.image = pygame.image.load('images/ship.png')
        self.rect = self.image.get_rect()
        self.screen_rect = self.screen.get_rect()
        self.rect.centerx = self.screen_rect.centerx
        self.rect.bottom = self.screen_rect.bottom
        self.moving_right = False
        self.moving_left = False
    def update(self):
        if self.moving_right == True and self.rect.centerx < 1170:
            self.rect.centerx += 1
        if self.moving_left == True and self.rect.centerx > 30:
            self.rect.centerx -= 1

    def bltime(self):
        self.screen.blit(self.image , self.rect)