def run_game():
# Init a game and create screen object
pygame.init()
pygame.display.set_caption("Alien Invasion")
ai_settings = Settings() # ai_settings means Alien Invasion Settings
screen = pygame.display.set_mode(
(ai_settings.screen_width, ai_settings.screen_height))
play_button = Button(ai_settings, screen, "Play")
aliens = Group()
ship = Ship(ai_settings, screen)
bullets = Group()
stats = GameStats(ai_settings)
sb = Scoreboard(ai_settings, screen, stats)
gf.create_fleet(ai_settings, screen, ship, aliens)
# Main loop for the game
while True:
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, sb, stats, ship, aliens,
bullets)
gf.update_aliens(ai_settings, stats, screen, sb, ship, aliens,
bullets)
gf.update_screen(ai_settings, screen, sb, stats, ship, aliens, bullets,
play_button)
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))
pygame.display.set_caption("Alien Invasion")
#创建一艘飞船
ship = Ship(ai_settings, screen)
#创建一个用于存储子弹的编组
bullets = Group()
#创建一个外星人
aliens = Group()
gf.create_fleet(ai_settings, screen, aliens)
# 开始游戏的主循环
while True:
#监视键盘和鼠标事件
gf.check_events(ai_settings, screen, ship, bullets)
ship.update()
gf.update_bullets(bullets)
# 每次循环时都重绘屏幕
gf.update_screen(ai_settings, screen, ship, aliens, bullets)
def run_game():
'''初始化游戏，并创建一个屏幕对象'''
# 初始化背景设置
pygame.init()
# 创建screen 窗口，并指定游戏窗口的尺寸
# screen 是一个surface，在py中，surface是屏幕的一部分，用于显示游戏元素
# 游戏中的每一个元素都是 surface
#screen = pygame.display.set_mode((1200,800))
# 法2：通过settings类实例进行屏幕的绘制
# 设置项目归为一个类
ai_settings = Settings()
screen = pygame.display.set_mode(
(ai_settings.screen_width, ai_settings.screen_height))
# 设置框t体标题
pygame.display.set_caption("Alien Invasion")
# 创建一艘飞船
ship = Ship(ai_settings, screen)
# 创建一个用于存储子弹的编组
bullets = Group()
# 设置背景色
#bg_color = (230,230,230)
# 开始游戏的主循环，没经过一次循环都将自动重绘这个surface
while True:
# 监视键盘和鼠标事件
'''
for event in pygame.event.get():
# 点击“关闭”按钮
if event.type == pygame.QUIT:
sys.exit() # 退出游戏
'''
# 取得标志位
#gf.check_evects(ship)
gf.check_events(ai_settings, screen, ship, bullets)
# 根据标志位，调用update()方法，进行飞船的移动
ship.update()
bullets.update()
# 循环 重绘屏幕,用背景色进行填充
#screen.fill(bg_color)
# 法2：
'''
screen.fill(ai_settings.bg_color)
ship.blitem() # 将飞机绘制到屏幕上
# 让最近绘制的屏幕可见，则将不断更新屏幕，以显示元素的新位置，并在原来的位置隐藏元素，营造平滑移动的效果
pygame.display.flip()
'''
# 删除已消失的子弹
for bullet in bullets.copy():
if bullet.rect.bottom <= 0:
bullets.remove(bullet)
print(bullets)
gf.update_screen(ai_settings, screen, ship, bullets)
def run_game():
""""Runs the game"""
pygame.init()
settings = Settings()
screen = pygame.display.set_mode((settings.width, settings.height))
pygame.display.set_caption("Alien Invasion: Cirno Edition")
# Make a ship
ship = Ship(screen, settings)
# Make a group for bullets and aliens, used for storing
bullets = Group()
aliens = Group()
gf.create_fleet(settings, screen, ship, aliens)
while True:
gf.check_events(screen, settings, ship, bullets)
ship.update()
bullets.update()
gf.update_aliens(settings, aliens)
gf.remove_bullet(bullets)
gf.update_screen(settings, screen, ship, aliens, bullets)
gf.check_mouse_collision(aliens, bullets)
def prep_ships(self):
self.ships = Group()
for ship_number in range(self.stats.ship_left):
ship = Ship(self.ai_settings, self.screen)
ship.rect.x = 10 + ship_number * ship.rect.width
ship.rect.y = 10
self.ships.add(ship)
def __init__(self, ai_settings: Settings, stats: GameStats, **kwargs: game_items_types):
"""Initialize with default items unless specified in kwargs."""
# Default initializations for game items.
# Initialize screen.
flags = pygame.HWSURFACE | pygame.DOUBLEBUF # | pygame.FULLSCREEN
self.screen = pygame.display.set_mode((ai_settings.screen_width, ai_settings.screen_height), flags)
pygame.display.set_caption("Alien Invasion Game")
# Initialize ship.
self.ship = Ship(ai_settings, self.screen)
# Initialize aliens group.
self.aliens = Group()
# Initialize bullets group.
self.bullets = Group()
# Initialize buttons.
self.play_button = Button(self.screen, "Play!")
# TODO implement Restart and Cancel buttons.
# self.restart_button = Button(self.screen, "Restart")
# self.cancel_button = Button(self.screen, "Cancel", (255, 0, 0, 80))
# self.set_button_pos()
# Initialize scorecard.
self.sb = Scorecard(ai_settings, stats, self.screen)
# Set the game items for those default values are given.
for game_item in kwargs:
if game_item in self.acceptable_game_items:
self.__setattr__(game_item, kwargs[game_item])
def ran_game():
#初始化游戏并且创建一屏幕个对象
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode(
(ai_settings.screen_width, ai_settings.screen_height))
pygame.display.set_caption("Alien Invasion")
#设置背景颜色
bg_color = (ai_settings.bg_color)
#创建一艘飞船
ship = Ship(ai_settings, screen)
#开始游戏的主循环
while True:
#监视键盘和鼠标事件
game_functions.check_events(ship)
ship.update()
#每次循环都重绘制屏幕
game_functions.update_screen(ai_settings, screen, ship)
def prep_ships(self):
"""Show how many ships are left."""
ship_str = "Ships left: " if self.stats.ships_left > 0 else "No ships left."
self.ship_str_image = self.font.render(ship_str, True, self.font_color)
self.ship_str_rect = self.ship_str_image.get_rect()
self.ship_str_rect.x = 10
self.ship_str_rect.y = self.score_rect.top
self.ships = Group()
for ship_number in range(self.stats.ships_left):
ship = Ship(self.ai_settings, self.screen, self.score_ship_size)
ship.rect.x = self.ship_str_rect.width + ship_number * ship.rect.width
ship.rect.centery = self.ship_str_rect.centery
self.ships.add(ship)
def check_keyup_events(event: EventType, ship: Ship):
"""Respond when key is stopped being pressed."""
if event.key == pygame.K_RIGHT:
ship.moving_right = False
elif event.key == pygame.K_LEFT:
ship.moving_left = False