def __init__(self):
"""Initaialize the game"""
pygame.init()
self.settings = Settings()
#Screen windows mode
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_height))
pygame.display.set_caption('Alien Invasion')
#Create an instaance to store game statistics
# and create scoreboard
self.stats = GameStats(self)
self.sb = Scoreboard(self)
self.ship = Ship(self)
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
#Look for aliens-ship collisions
self._create_fleet()
#Make play button
self.play_button = Button(self, "Play")
def run_game():
pygame.init()
#实例化一个Settings对象，对象名为ai_settings
ai_settings = Settings()
#set_mode()返回的surface表示整个游戏窗口
screen = pygame.display.set_mode((ai_settings.screen_width,ai_settings.screen_height))
pygame.display.set_caption("Alien Invasion ding")
#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()
#创建一个外星人编组
aliens = Group()
#创建外星人群
gf.create_fleet(ai_settings,screen,ship,aliens)
#创建一个用于统计游戏信息的实例
stats = GameStats(ai_settings)
#创建积分牌
sb = Scoreboard(ai_settings,screen,stats)
#创建play按钮
play_button = Button(ai_settings,screen,"play")
#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,play_button,ship,aliens,bullets)
if stats.game_active:
#更新飞船的位置
ship.update()
#更新子弹的位置，并删除已消失的子弹
gf.update_bullets(ai_settings,screen,stats,sb,ship,aliens,bullets)
gf.update_aliens(ai_settings,stats,screen,ship,aliens,bullets)
#更新屏幕上的图像，并切换到新屏幕
gf.update_screen(ai_settings,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并创建记分牌
stats = GameStats(ai_settings)
scoreboard = Scoreboard(ai_settings, screen, stats)
# 创建一个飞船
ship = Ship(ai_settings, screen)
# 创建一个用于存储子弹的编组
bullets = Group()
aliens = Group()
gf.create_fleet(ai_settings, screen, ship, aliens)
# 开始游戏主循环
while True:
gf.check_events(ai_settings, screen, stats, play_button, ship, aliens, bullets, scoreboard)
if stats.game_active:
ship.update()
gf.update_bullets(ai_settings, screen, ship, aliens, bullets, stats, scoreboard)
gf.update_aliens(ai_settings, stats, screen, ship, aliens, bullets, scoreboard)
gf.update_screen(ai_settings, screen, stats, ship, bullets, aliens, play_button, scoreboard)
def run_game():
pygame.init()
new_setting = Settings_1()
screen = pygame.display.set_mode((new_setting.screen_width,
new_setting.screen_height))
pygame.display.set_caption("Alian Invasion")
#创建一个play按钮
play_button = Button(new_setting,screen,"Play")
#创建一个用于存储游戏统计信息的实例
stats = GameStats(new_setting)
#创建存储游戏统计信息的实例，并创建记分牌
sb = Scoreboard(new_setting,screen,stats)
#创建一艘飞船
ship = Ship(new_setting,screen)
#创建一个用于存储子弹的编组
bullets = Group()
#创建一个外星人
#alien = Alien(new_setting,screen)
aliens = Group()
gf.create_fleet(new_setting,screen,ship,aliens)
#游戏主循环
while True:
#监视键盘和鼠标事件
gf.check_events(new_setting,screen,stats,sb,play_button,ship,aliens,bullets)
if stats.game_active:
ship.update()
gf.update_bullets(new_setting,screen,stats,sb,ship,aliens,bullets)
gf.update_aliens(new_setting,stats,sb,screen,ship,aliens,bullets)
#print(len(bullets)) 主句代码用于监测是否所有的子弹都被删除了
#让最近绘制的屏幕可见
gf.update_screen(new_setting,screen,stats,sb,ship,aliens,bullets,play_button)
def run_game():
#初始化pygame，设置和屏幕对象
pygame.init()
ai_sett = AlienSett()
screen = pygame.display.set_mode(
(ai_sett.screen_width, ai_sett.screen_height))
pygame.display.set_caption("Press P to start")
#创建Play按钮
play_button = Button(ai_sett, screen, "Play")
#创建一个用于存储游戏统计信息的实例
stats = GameStats(ai_sett)
sb = Scoreboard(ai_sett, screen, stats)
#创建一艘飞船、一个子弹编组和一个外星人编组
ship = Ship(screen, ai_sett)
bullets = Group()
aliens = Group()
# 创建外星人群
gf.create_fleet(ai_sett,screen,ship,aliens)
#开始游戏主循环
while True:
#监视键盘和鼠标事件
gf.check_events(ai_sett, screen, stats, play_button, ship, aliens, bullets)
if stats.game_active:
ship.update()
gf.update_bullets(ai_sett, screen, stats, sb, ship, aliens, bullets)
gf.update_aliens(ai_sett, screen, stats, ship, aliens ,bullets)
gf.update_screen(ai_sett, screen, stats, sb, ship, aliens, bullets, play_button)
def run_game():
#Инициализация игры и создание экрана
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode(
(ai_settings.screen_width, ai_settings.screen_height))
pygame.display.set_caption("Alien War")
play_button = Button(ai_settings, screen, "Play")
stats = GameStats(ai_settings)
sb = ScoreBoard(ai_settings, screen, stats)
ship = Ship(ai_settings, screen)
bullets = Group()
aliens = Group()
f.create_fleet(ai_settings, screen, ship, aliens)
# Назначение цвета фона
bg_color = (100, 100, 100)
alien = Alien(ai_settings, screen)
while True:
f.check_events(ai_settings, screen, stats, sb, play_button, ship,
aliens, bullets)
if stats.game_active:
ship.update()
f.update_bullets(ai_settings, screen, stats, sb, ship, aliens,
bullets)
f.update_aliens(ai_settings, screen, stats, sb, ship, aliens,
bullets)
f.update_screen(ai_settings, screen, stats, sb, ship, aliens, bullets,
play_button)
class AlienInvasion(object):
"""Overall class to manage game AlienInvasion"""
def __init__(self):
"""Initaialize the game"""
pygame.init()
self.settings = Settings()
#Screen windows mode
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_height))
pygame.display.set_caption('Alien Invasion')
#Create instance to store game statistics
self.stats = GameStats(self)
self.ship = Ship(self)
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
#Look for aliens-ship collisions
self._create_fleet()
#Make play button
self.play_button = Button(self, "Play")
def _create_fleet(self):
"""Create the fleet of aliens"""
#create an alien and find the number of aliens ina row
#spacing between each alien is equal to one alien width
alien = Alien(self)
alien_width, alien_height = alien.rect.size
available_space_x = self.settings.screen_width - (2 * alien_width)
number_aliens_x = (available_space_x // (2 * alien_width))
#determine the number of rows of aliens that fit on the screen
ship_height = self.ship.rect.height
available_space_y = (self.settings.screen_height - (3 * alien_height) -
ship_height)
number_rows = (available_space_y // (2 * alien_height)) - 2
#create the full flet of aliens
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
self._create_alien(alien_number, row_number)
def _create_alien(self, alien_number, row_number):
"""Create an alien and place it in the row"""
alien = Alien(self)
alien_width, alien_height = alien.rect.size
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 _check_fleet_edges(self):
"""Respond appropiately if anyaliens have reached an edge"""
for alien in self.aliens.sprites():
if alien.check_edges():
self._change_fleet_direction()
break
def _change_fleet_direction(self):
"""Drop the entire fleet and change the fleet direction"""
for alien in self.aliens.sprites():
alien.rect.y += self.settings.fleet_droop_speed
self.settings.fleet_direction *= -1
def run_game(self):
"""Start main game loop"""
while True:
self._check_events()
if self.stats.game_active:
self.ship.update()
self._update_bullets()
self._update_aliens()
self._update_screen()
def _update_bullets(self):
"""Update position of bullets and get tid of the old ones"""
#Update bullet possitions
self.bullets.update()
#Get rid of old bullets
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):
"""Respond t bullet-alien colisions"""
#Check forany bullets that have hit aliens
#if so get hit of the bullet and the alien
collisions = pygame.sprite.groupcollide(self.bullets, self.aliens,
False, True)
if not self.aliens:
#Destroy existing bullets and create new fleet
self.bullets.empty()
self._create_fleet()
def _check_events(self):
"""Respond for keypress"""
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
self._check_keydown_events(event)
elif event.type == pygame.KEYUP:
self._check_keyup_events(event)
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
self._check_play_button(mouse_pos)
def _check_keydown_events(self, event):
"""Respond for key presses"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = True
elif event.key == pygame.K_LEFT:
self.ship.moving_left = True
elif event.key == pygame.K_UP:
self.ship.moving_up = True
elif event.key == pygame.K_DOWN:
self.ship.moving_down = True
elif event.key == pygame.K_SPACE:
self._fire_bullet()
elif event.key == pygame.K_p:
self._start_game()
#WASD keyborad to play
elif event.key == pygame.K_d:
self.ship.moving_right = True
elif event.key == pygame.K_a:
self.ship.moving_left = True
elif event.key == pygame.K_w:
self.ship.moving_up = True
elif event.key == pygame.K_s:
self.ship.moving_down = True
elif event.key == pygame.K_q:
sys.exit()
def _check_keyup_events(self, event):
"""Respond for key releases"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = False
if event.key == pygame.K_LEFT:
self.ship.moving_left = False
if event.key == pygame.K_UP:
self.ship.moving_up = False
if event.key == pygame.K_DOWN:
self.ship.moving_down = False
#WASD cursor
if event.key == pygame.K_d:
self.ship.moving_right = False
if event.key == pygame.K_a:
self.ship.moving_left = False
if event.key == pygame.K_w:
self.ship.moving_up = False
if event.key == pygame.K_s:
self.ship.moving_down = False
def _fire_bullet(self):
"""Create a new bullet and add it to the group"""
if len(self.bullets) < self.settings.bullets_allowed:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
def _update_screen(self):
"""Update images on the screen, and flip to the new screen"""
self.screen.fill(self.settings.bg_color)
self.ship.blitme()
for bullet in self.bullets.sprites():
bullet.draw_bullet()
self.aliens.draw(self.screen)
#Draw the play button if the game is incative
if not self.stats.game_active:
self.play_button.draw_button()
pygame.display.flip()
def _update_aliens(self):
"""
Check if the fleet is at an edge,
then update the positions of all aliens in the fleet
"""
self._check_fleet_edges()
self.aliens.update()
#Look for alien ship colisions
if pygame.sprite.spritecollideany(self.ship, self.aliens):
self._ship_hit()
#Look for aliens hitting the bottom of screen
self._check_aliens_bottom()
def _ship_hit(self):
"""Respond to the ship beinghit by an alien"""
if self.stats.ships_left > 0:
#Decrement ships left
self.stats.ships_left -= 1
#get rid of any remaining aliensand bulets
self.aliens.empty()
self.bullets.empty()
#create a new fleet and center ship
self.ship.center_ship()
self._create_fleet()
#Pause
sleep(1)
else:
self.stats.game_active = False
pygame.mouse.set_visible(True)
def _check_aliens_bottom(self):
"""Check if any aliens reached the bottom of the screen"""
screen_rect = self.screen.get_rect()
for alien in self.aliens.sprites():
if alien.rect.bottom >= screen_rect.bottom:
#Treat this the same as if the ship got hit
self._ship_hit()
break
def _check_play_button(self, mouse_pos):
button_clicked = self.play_button.rect.collidepoint(mouse_pos)
if button_clicked and not self.stats.game_active:
self._start_game()
def _start_game(self):
# Reset the game statistics.
self.stats.reset_stats()
self.stats.game_active = True
# Hide the mouse cursor.
pygame.mouse.set_visible(False)
#Getrid of any remaning aliens and bullets
self.aliens.empty()
self.bullets.empty()
#Create a new fleet.
self._create_fleet()
self.ship.center_ship()