def create_alien(cfg, screen, aliens, alien_number, row_number):
alien = Alien(cfg, screen)
alien_width = alien.rect.width # 一个外星人的宽度
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
aliens.add(alien)
def _create_alien(self, alien_number, row_number):
alien = Alien(self)
alien_width, alien_height = alien.rect.size
alien.x = alien_width + 2 * alien_width * alien_number
alien.rect.x = alien.x
alien.rect.y = alien_height + 2 * alien_height * row_number
self.aliens.add(alien)
def create_alien(ai_settings, screen, aliens, alien_number, row_number):
"""创建一个外星人并将其放在当前行"""
alien = Alien(ai_settings, screen)
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
aliens.add(alien)
def create_alien(ai_settings, screen, aliens, alien_number, row_number):
# create a alien and add it to current row
alien = Alien(ai_settings, screen)
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
aliens.add(alien)
def create_alien(ai_settings, screen, aliens, alien_number, row_number):
#Cria um alienígena e o posiciona na linha
alien = Alien(ai_settings, screen)
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
aliens.add(alien)
def create_alien(setting, screen, aliens, row_number, alien_number):
alien = Alien(setting, screen)
alien_width = alien.rect.width
alien_height = alien.rect.height
alien.x = alien_width + 2 * alien_width * alien_number
alien.y = alien_height + 2 * alien_height * row_number
alien.rect.x = alien.x
alien.rect.y = alien.y
aliens.add(alien)
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
# Double indent from left side of the screen for every even row
# indent_width = alien_width if row_number % 2 == 0 else 2 * alien_width
alien.x = alien_width + 2 * alien_width * alien_number
alien.rect.x = alien.x
alien.rect.y = alien_height + 2 * alien_height * row_number
self.aliens.add(alien)
def create_fleet(cfg, screen, aliens, ship):
# 创建一个外星人，并计算一行可容纳多少个外星人
alien = Alien(cfg, screen)
number_aliens_x = get_number_aliens_x(cfg, alien.rect.width)
number_rows = get_number_rows(cfg, ship.rect.height, alien.rect.height)
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
create_alien(cfg, screen, aliens, alien_number, row_number)
def create_fleet(setting: Settings, screen, ship, alias):
alien = Alien(setting, screen)
number_aliens_x = get_numbers_alien_x(setting, alien.rect.width)
number_row = get_number_rows(setting, ship.rect.height, alien.rect.height)
for row_number in range(0, number_row):
for alien_number in range(0, number_aliens_x):
create_alien(setting, screen, alias, row_number, alien_number)
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))
# screen = pygame.display.set_mode((1200, 800))
pygame.display.set_caption("Alian Invasion")
# 创建Play按钮
play_button = Button(ai_settings, screen, "Play")
# 设置背景颜色
bg_color = (85, 204, 220)
# 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()
# 创建一艘飞船、一个子弹编组和一个外星人编组
aliens = Group()
# 创建一个外星人
alien = Alien(ai_settings, screen)
# 开始游戏的主循环
while True:
gf.check_events(ai_settings, screen, play_button, ship, bullets)
ship.update()
# bullets.update()
# 删除已消失的子弹
# for bullet in bullets.copy():
# if bullet.rect.bottom <= 0:
# bullet.remove(bullet)
print(len(bullets))
gf.update_bullets(bullets)
gf.update_screen(ai_settings, screen, ship, alien, bullets,
play_button)
gf.update_screen(ai_settings, screen, ship, aliens, bullets)
# 创建外星人群
gf.create_fleet(ai_settings, screen, ship, aliens)
# 监视键盘和鼠标事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exeit()
# 每次循环时都重绘屏幕
screen.fill(ai_settings.bg_color)
# screen.fill(bg_color)
ship.blitme()
# 让最终绘制的屏幕可见
pygame.display.flip()
def _create_fleet(self):
alien = Alien(self)
alien_width, alien_height = alien.rect.size
available_space_x = self.settings.screen_width - (alien_width * 2)
number_aliens_x = available_space_x // (2 * alien_width)
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)
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
self._create_alien(alien_number, row_number)
def create_fleet(ai_settings, screen, ship, aliens):
"""创建外星人群"""
# 创建一个外星人，并计算一行可容纳多少个外星人
# 外星人间距为外星人宽度
alien = Alien(ai_settings, screen)
number_aliens_x = get_number_aliens_x(ai_settings, alien.rect.width)
number_rows = get_number_rows(ai_settings, ship.rect.height,alien.rect.height)
# 创建外星人群
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
create_alien(ai_settings, screen, aliens, alien_number,
row_number)
def create_fleet(ai_settings, screen, ship, aliens):
"""create group of aliens"""
# create a alien ,and calculate that a line can accommodate the amount of alines.
# the space between aliens is alien's width.
alien = Alien(ai_settings, screen)
alien_width = alien.rect.width
number_aliens_x = get_number_aliens_x(ai_settings, alien_width)
number_rows = get_number_rows(ai_settings, ship.rect.height,
alien.rect.height)
# create a row aliens
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
# create a alien and add it to current row
create_alien(ai_settings, screen, aliens, alien_number, row_number)
def create_fleet(ai_settings, screen, ship, aliens):
"""Cria uma frota completa de alienígenas."""
# Cria um alienígena e calcula o número de alienígenas em uma linha
alien = Alien(ai_settings, screen)
number_aliens_x = get_number_aliens_x(ai_settings, alien.rect.width)
number_rows = get_number_rows(
ai_settings,
ship.rect.height,
alien.rect.height,
)
# Cria a frota de alienígenas
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
create_alien(ai_settings, screen, aliens, alien_number, row_number)
def _create_fleet(self):
""" Create the fleet of aliens """
# Create and alien and finds a number of aliens in the row
# Spacing between each alien is equal to one alien width
alien = Alien(self)
alien_width, alien_height = alien.rect.size
ship_height = self.ship.rect.height
# Defying the number of alien to fill all available space in a row
available_space_in_row = self.settings.screen_width - 2 * alien_width
number_aliens_in_row = available_space_in_row // (2 * alien_width)
# Determine a number of rows of alien to fit the screen
available_space_for_rows = self.settings.screen_height - ship_height - (5 * alien_height)
number_of_rows = available_space_for_rows // (2 * alien_height)
# Creates the fleet of aliens
for row_number in range(number_of_rows):
for alien_number in range(number_aliens_in_row):
self._create_alien(alien_number, row_number)