def run_game():
pygame.init()
ai_setting = Setting()
screen = pygame.display.set_mode(
(ai_setting.screen_width, ai_setting.screen_height))
pygame.display.set_caption('Alien Hunter')
play_button = Button(ai_setting, screen, "Play")
stats = GameStats(ai_setting)
sb = Scoreboard(ai_setting, screen, stats)
ship = Ship(ai_setting, screen)
bullets = Group()
aliens = Group()
agf.create_fleet(ai_setting, screen, ship, aliens)
while True:
agf.check_events(ai_setting, screen, stats, sb, play_button, ship,
aliens, bullets)
if stats.game_active:
ship.update()
agf.update_bullet(ai_setting, screen, stats, sb, ship, aliens,
bullets)
agf.update_aliens(ai_setting, stats, sb, screen, ship, aliens,
bullets)
agf.update_screen(ai_setting, screen, stats, sb, 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Play按钮
play_button = Button(ai_settings, screen, "Play")
# 创建一个用于存储游戏统计信息的实例
stats = GameStats(ai_settings)
#创建记分牌
sb = Scoreboard(ai_settings, screen, stats)
#创建飞船 子弹群 外星人群
ship = Ship(ai_settings, screen)
bullets = Group()
aliens = Group()
# 创建外星人群
gf.create_fleet(ai_settings, screen, ship, 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, 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, screen, stats, sb, ship, aliens,
bullets)
gf.update_screen(ai_settings, screen, stats, sb, ship, aliens, bullets,
play_button)
def __init__(self):
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_heigth))
self.ship = Ship(self)
self.stats = GameStats(self)
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
pygame.display.set_caption("Alien Invasion")
self.play_button = Button(self, "play")
def prep_ships(self):
self.ships = Group()
for ship_number in range(self.stats.ships_left):
ship = Ship(self.ai_setting, self.screen)
ship.rect.x = 10 + ship_number * ship.rect.width
ship.rect.y = 10
self.ships.add(ship)
def run_game():
# Initialize pygame, settings, and screen object.
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode(
(ai_settings.screen_width, ai_settings.screen_height))
pygame.display.set_caption("Alien Invasion")
# Make the Play button.
play_button = Button(ai_settings, screen, "Play")
# Create an instance to store game statistics, and a scoreboard.
stats = GameStats(ai_settings)
sb = Scoreboard(ai_settings, screen, stats)
# Set the background color.
bg_color = (230, 230, 230)
# Make a ship, a group of bullets, and a group of aliens.
ship = Ship(ai_settings, screen)
bullets = Group()
aliens = Group()
# Create the fleet of aliens.
gf.create_fleet(ai_settings, screen, ship, aliens)
# Start the 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, stats, sb, ship, aliens,
bullets)
gf.update_aliens(ai_settings, screen, stats, sb, ship, aliens,
bullets)
gf.update_screen(ai_settings, screen, stats, sb, ship, aliens, bullets,
play_button)
class AlienInvasion:
def __init__(self):
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_heigth))
self.ship = Ship(self)
self.stats = GameStats(self)
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
pygame.display.set_caption("Alien Invasion")
self.play_button = Button(self, "play")
def _check_keydown_events(self, event):
if event.key == pygame.K_LEFT:
self.ship.moving_left = True
elif event.key == pygame.K_RIGHT:
self.ship.moving_right = True
elif event.key == pygame.K_SPACE:
self._fire_bullet()
elif event.key == pygame.K_q:
sys.exit()
def _check_keyup_events(self, event):
if event.key == pygame.K_LEFT:
self.ship.moving_left = False
elif event.key == pygame.K_RIGHT:
self.ship.moving_right = False
def _check_events(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.eixt()
elif event.type == pygame.KEYDOWN:
self._check_keydown_events(event)
elif event.type == pygame.KEYUP:
self._check_keyup_events(event)
def _create_alien(self, alien_number, row_number):
alien = Alien(self)
alien_width = alien.rect.width
alien.x = alien_width + 2 * alien_width * alien_number
alien.rect.x = alien.x
alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_number
self.aliens.add(alien)
def _create_fleet(self):
alien = Alien(self)
alien_width, alien_height = alien.rect.size
avaliable_space_x = self.settings.screen_width - (2 * alien_width)
number_aliens_x = avaliable_space_x // (2 * alien_width)
ship_height = self.ship.rect.height
available_space_y = (self.settings.screen_heigth - (3 * alien_height) -
ship_height)
number_row = available_space_y // (2 * alien_height)
for row_number in range(number_row):
for alien_number in range(number_aliens_x):
self._create_alien(alien_number, row_number)
def _check_fleet_edges(self):
for alien in self.aliens.sprites():
if alien.check_edges():
self._change_fleet_direction()
break
def _change_fleet_direction(self):
for alien in self.aliens.sprites():
alien.rect.y += self.settings.fleet_drop_speed
self.settings.fleet_direction *= -1
def _fire_bullet(self):
if len(self.bullets) < self.settings.bullet_allowed:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
def _update_bullets(self):
self.bullets.update()
for bullet in self.bullets.copy():
if bullet.rect.bottom <= 0:
self.bullets.remove(bullet)
self._check_bullet_alien_collisions()
def _check_bullet_alien_collisions(self):
collisions = pygame.sprite.groupcollide(self.bullets, self.aliens,
True, True)
if not self.aliens:
self.bullets.empty()
self._create_fleet()
def _update_aliens(self):
self._check_fleet_edges()
self.aliens.update()
if pygame.sprite.spritecollideany(self.ship, self.aliens):
self._ship_hit()
self._check_aliens_bottom()
def _ship_hit(self):
if self.stats.ships_left > 0:
self.stats.ships_left -= 1
self.aliens.empty()
self.bullets.empty()
self._create_fleet()
self.ship.center_ship()
sleep(0.5)
else:
self.stats.game_active = False
def _check_aliens_bottom(self):
screen_rect = self.screen.get_rect()
for alien in self.aliens.sprites():
if alien.rect.bottom >= screen_rect.bottom:
self._ship_hit()
break
def _update_screen(self):
self.screen.fill(self.settings.background_color)
self.ship.blitme()
for bullet in self.bullets.sprites():
bullet.draw_bullet()
self.aliens.draw(self.screen)
self.aliens.draw(self.screen)
if not self.stats.game_active:
self.play_button.draw_button()
pygame.display.flip()
def run_game(self):
self._create_fleet()
while True:
self._check_events()
self.ship.update()
self._update_bullets()
self._update_aliens()
self._update_screen()