def create_alien(ai_settings, screen, alien_number, row_number, aliens):
alien = Alien(ai_settings, screen)
alien.x = alien.rect.width + 2 * alien.rect.width * alien_number
alien.rect.x = alien.x
alien.y = alien.rect.height + 2 * alien.rect.height * row_number
alien.rect.y = alien.y
aliens.add(alien)
def create_alien(ai_settings, screen, aliens, alien_number, row_number):
"""Create an alien and place it in the 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 + 1.5 * alien.rect.height * row_number
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, alien_number, alien_row):
alien = Alien(ai_settings, screen)
alien_width = alien.rect.width
alien.x = alien_width + 2 * alien_number * alien_width
alien.rect.x = alien.x
alien_height = alien.rect.height
alien.y = alien_height + 2 * alien_row * alien_height
alien.rect.y = alien.y
return alien
def create_alien(sett, screen, aliens, alien_number, row_no):
"""Create an alien, and place it in row."""
alien = Alien(sett, screen)
alien_width = alien.rect.width
alien.x = alien_width + 1.5 * alien_width * alien_number
alien.rect.x = alien.x
alien_height = alien.rect.height
alien.rect.y = alien_height + 1.5 * alien_height * row_no
aliens.add(alien)
def create_alien(ai_settings, screen, aliens):
"""创建一个外星人"""
alien = Alien(ai_settings, screen)
alien_width = alien.rect.width
alien.x = randint(alien_width, screen.get_rect().right - alien_width)
# 如果外星人的x坐标在创建时就和屏幕碰撞将会有bug
alien.rect.x = alien.x
alien.rect.y = alien.rect.height
alien.fleet_direction = choice([1, -1])
aliens.add(alien)
def create_fleet(ai_settings, screen, aliens, ship):
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)
for alien_number in range(number_aliens_x):
for alien_row in range(number_rows):
aliens.add(create_alien(ai_settings, screen, alien_number, alien_row))
def create_fleet(ai_settings: Settings, screen, ship, aliens: Group):
alien = Alien(ai_settings, screen)
number_rows = get_number_rows(ai_settings, ship.rect.height,
alien.rect.height)
number_aliens_x = get_number_aliens_x(ai_settings, alien.rect.width)
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
create_alien(ai_settings, screen, alien_number, row_number, aliens)
def create_fleet(ai_settings, screen, ship, aliens):
"""Creates a fleet of aliens"""
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)
# Create fleet
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, rocket_ship, aliens):
"""Create a full fleet of aliens."""
# Create an alien and find the number of aliens in row
alien = Alien(ai_settings, screen)
number_aliens_x = get_number_aliens(ai_settings, alien.rect.width)
number_rows = get_number_rows(ai_settings, rocket_ship.rect.height, alien.rect.height)
# Create the first row of aliens.
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(sett, screen, ship, aliens):
"""Create a full fleet/row of aliens."""
alien = Alien(sett, screen)
no_aliens = get_no_aliens(sett, alien.rect.width)
no_rows = get_no_rows(sett, ship.rect.height, alien.rect.height)
# Create the fleet of aliens.
for row in range(no_rows):
for alien_number in range(no_aliens):
create_alien(sett, screen, aliens, alien_number, row)
def create_fleet(ai_settings, screen, ship, aliens):
"""创建外星人群"""
# 创建一个外星人，并计算每行可容纳多少个外星人
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 run_game():
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode(
(ai_settings.screen_width, ai_settings.screen_height))
pygame.display.set_caption("Alien Invasion")
ship = Ship(ai_settings, screen)
bullets = Group()
alien = Alien(ai_settings, screen)
while True:
gf.check_events(ai_settings, screen, ship, bullets)
ship.update()
gf.update_bullet(bullets)
gf.update_screen(ai_settings, screen, ship, alien, bullets)
def rungame():
# Initialize game,settings and create screen object.
pygame.init()
sett = Settings()
screen = pygame.display.set_mode((sett.screen_width, sett.screen_height))
pygame.display.set_caption("Alien Invasion")
""""Instance initialization"""
# Make instance of game stats.
stats = GameStats(sett)
# Make instance of scoreboard.
sb = ScoreBoard(sett, screen, stats)
# Make the play button.
b_play = Button(sett, screen, "PLAY")
# Make instance of ship.
ship = Ship(sett, screen)
# Make a group to store bullets and aliens.
aliens = Group()
bullets = Group()
# Make instance of alien.
alien = Alien(sett, screen)
gf.create_fleet(sett, screen, ship, aliens)
# Start the main loop for the game.
while True:
# Watch for keyboard and mouse events.
gf.check_events(sett, screen, stats, sb, b_play, ship, aliens, bullets)
if stats.game_active:
ship.update()
gf.update_bullets(sett, screen, stats, sb, ship, aliens, bullets)
gf.update_aliens(sett, stats, sb, screen, ship, aliens, bullets)
# Redraw the screen during each pass through the loop.
gf.update_screen(sett, screen, stats, sb, ship, aliens, bullets,
b_play)