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alien_invasion.py
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alien_invasion.py
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#import sys #先不用需要导入sys,因为只在game_func中使用了
import pygame
from pygame.sprite import Group
from settings import Settings
from ship import Ship
from game_status import GameStats
from button import Button
from score_board import ScoreBoard
#from alien import Alien
import game_func as gf
def run_game():
#初始化游戏并创建一个屏幕对象
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode((ai_settings.screen_width, \
ai_settings.screen_height)) #(850,600)是一个元组实参
pygame.display.set_caption("Alien Invasion")
#bg_color = (230, 230, 230)
play_button = Button(ai_settings, screen, "Play")
#创建一个用于存储统计信息的实例,并创建积分牌
stats = GameStats(ai_settings)
sb = ScoreBoard(ai_settings, screen, stats)
#创建飞船、一个用于存储子弹、外星人的编组
ship = Ship(ai_settings, screen)
bullets = Group()
aliens = Group()
#创建一个外星人群
gf.creat_fleet(ai_settings, screen, ship, aliens)
#游戏主循环
while True:
#监视键盘和鼠标事件
gf.check_events(ai_settings, screen, stats, sb, play_button, ship, aliens, bullets)
if stats.game_active:
ship.update()
gf.update_bullets(ai_settings, screen, stats, sb, ship, aliens, bullets)
gf.update_aliens(ai_settings, stats, sb, screen, ship, aliens, bullets)
#每次循环重绘屏幕
gf.update_screen(ai_settings, screen, stats, sb, \
ship, aliens, bullets, play_button)
run_game()