def create_alien(ai_settings, screen, aliens, alien_number, row_number):
alien = Alien(ai_settings, screen)
alien_width = alien.rect.width
alien.x = alien_width + alien_number * (2 * alien_width)
alien.rect.x = alien.x
alien.rect.y = alien.rect.height + row_number * 2 * alien.rect.height
aliens.add(alien)
def _spawn_alien2(self):
#Spawn boss alien
alien2 = Alien(self)
alien2.type = 2
alien2.rect = alien2.rect2
self.aliens2.add(alien2)
def create_alien(number_aliens, screen, ai_settings, aliens, row_number): for alien_number in range(number_aliens): alien = Alien(screen, ai_settings) alien.x = alien.rect.width + alien.rect.width * 2 * alien_number alien.rect.x = alien.x alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_number aliens.add(alien)
def _spawn_alien1(self):
#Spawn minion alien
alien1 = Alien(self)
alien1.type = 1
alien1.rect = alien1.rect1
self.aliens1.add(alien1)
def create_alien(ai_s, screen, aliens, alien_number, row_number):
alien = Alien(ai_s, 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(gs, screen, aliens, alien_num,
row_number): # creates 1 alien and adds to row
alien = Alien(gs, screen)
alien_w = alien.rect.width
alien.x = alien_w + (2 * alien_w) * alien_num
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 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 + 2 * alien.rect.height * row_number 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
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_alien(self, alien_number, alien_width, alien_height,
row_number):
alien = Alien(self)
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):
"""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 + 2 * alien.rect.height * row_number
aliens.add(alien)
def create_alien(settings, screen, aliens, alien_number, row_number):
# CREATE ALIEN AND PLACE INTO ROW
alien = Alien(settings, screen)
alien_width = alien.rect.width
# Spacing between each alien is equal to one alien 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(game_settings, screen, alien_number, aliens, row_number):
alien = Alien(game_settings, 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, row_no, alien_number):
alien = Alien(self)
alien_width = alien.alien_rect.width
alien_height = alien.alien_rect.height
alien.y = alien_height + 2 * alien_height * row_no
alien.x = alien_width + 2 * alien_number * alien_width
alien.alien_rect.y = alien.y
alien.alien_rect.x = alien.x
self.aliens.add(alien)
def create_alien(ai_settings, screen, aliens, i, j):
"""创建一个外星人并加入舰队"""
alien = Alien(ai_settings, screen)
alien_width = alien.rect.width
alien.x = ai_settings.first_ship_position_x + 2 * alien_width * i
alien.rect.x = alien.x
alien.y = ai_settings.first_ship_position_y +\
2 * alien.rect.height * j # 这一步及其关键!!! 真是隐蔽啊...编程这东西, 太危险了.
alien.rect.y = alien.y
aliens.add(alien)
def create_alien(aliens, screen, settings, num, row, offset_y):
#create alien
new_alien = Alien(screen, settings)
#modify its position
#Its X position
new_alien.x = (new_alien.alien_width + (2 * num * new_alien.alien_width))
new_alien.rect.x = new_alien.x
#Its Y position
new_alien.y = (new_alien.alien_height + (2 * row * new_alien.alien_height))
new_alien.rect.y = new_alien.y + offset_y
aliens.add(new_alien)
def creat_alien(
number_aliens_x,
number_aliens_row,
ai_settings,
screen,
aliens):
for row in range(number_aliens_row):
for number in range(number_aliens_x - 1):
alien = Alien(ai_settings, screen)
alien_width = alien.rect.width
alien.x = alien_width + 2 * alien_width * number
alien.rect.y = alien.rect.height + 2 * alien.rect.height * row
alien.rect.x = alien.x
aliens.add(alien)
def alien_generator(alien_color):
'''
multiplies the alien object on the screen.
setting up the x,y coordinates with the value of margin between them
'''
for x in range(margin, screen_size[0] - margin, margin):
for y in range(margin, int(screen_size[1]/2), margin):
alien_vessel = Alien(alien_color, alien_height, alien_width, alien_health)
alien_vessel.rect.x = x
alien_vessel.rect.y = y
alien_pos_list.append(alien_vessel.get_initial_pos())
alien_direction_list.append(alien_vessel.get_initial_dir())
alien_vessels_list.add(alien_vessel)
all_sprites_list.add(alien_vessel)
def _create_fleet(self): '''create the fleet of aliens''' #create an alien & find the number of aliens in a row. #spacing between alien is equal to one alien alien=Alien(self) '''we use the attribute size,which contains a tuple with the width, & height of a rect object.''' alien_width,alien_height=alien.rect.size #we find the available space by subtracting margins on either side available_space_x=self.settings.screen_width-(2*alien_width) #finding aliens which can fit on the available space number_aliens_x=available_space_x//(2*alien_width) #Determine the number of rows of aliens that can fit on the screen ship_height=self.ship.rect.height available_space_y=self.settings.screen_height- ship_height-(3*alien_height) number_rows=available_space_y//(2*alien_height) #create the full fleet of aliens for row_number in range(number_rows): #create the first row of aliens for alien_number in range(number_aliens_x): self._create_alien(alien_number, row_number)
def run_game():
'''Space ship game'''
ai_settings = Settings()
screen = pygame.display.set_mode(
(ai_settings.screen_width, ai_settings.screen_height))
pygame.display.set_caption("Spaceship Game")
ship = Ship(screen, ai_settings)
stats = GameStats(ai_settings)
bullets = Group()
aliens = Group()
alien = Alien(ai_settings, screen)
play_button = Button(ai_settings, screen, 'Play')
g_funcs.create_aliens_fleet(ai_settings, screen, alien, aliens, ship)
while True:
# Check keyboar d and mouse events
g_funcs.check_events(ai_settings, screen, stats, play_button, alien,
aliens, bullets, ship)
if stats.game_active:
# Update ship's position
ship.update()
# Update bullets
g_funcs.update_bullets(ai_settings, screen, ship, alien, aliens,
bullets)
# Update aliens
g_funcs.update_aliens(ai_settings, stats, screen, alien, aliens,
bullets, ship)
# Update screen
g_funcs.update_screen(ai_settings, screen, stats, ship, bullets,
aliens, play_button)
def create_fleet(gs, screen, ship, aliens):
alien = Alien(gs, screen)
numberaliens_x = get_num_x(gs, alien.rect.width)
number_rows = get_num_rows(gs, ship.rect.height, alien.rect.height)
for row_num in range(number_rows):
for alien_num in range(numberaliens_x):
create_alien(gs, screen, aliens, alien_num, row_num)
def number_of_rows(rocket, settings, screen):
#get the height of the aliens
alien = Alien(screen, settings)
alien_height = alien.alien_height
available_height = settings.screen_heigh - rocket.rocket_height - alien_height
rows = int(available_height / (2 * alien_height))
#create abit more empty space
rows = rows - 1
return rows
def create_fleet(ai_settings, screen, ship, 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)
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):
alien = Alien(ai_settings, screen)
alien_width = alien.rect.width
number_alien_x = get_number_aliens_x(ai_settings, alien_width)
number_row = get_number_rows(ai_settings, ship.rect.height,
alien.rect.height)
for r in range(number_row):
for i in range(number_alien_x):
create_alien(ai_settings, screen, aliens, i, r)
def create_fleet(ai_settings, aliens, screen, ship):
"""创建舰队"""
alien = Alien(
ai_settings,
screen) # 实例仅仅是为了向rows()函数传参alien.rect.height. 其实可以不这么写,参考行函数.
number_aliens_x = get_number_aliens_x(ai_settings, screen)
number_aliens_rows = get_number_aliens_row(ai_settings, alien.rect.height,
ship)
for i in range(number_aliens_x):
for j in range(number_aliens_rows):
create_alien(ai_settings, screen, aliens, i, j)
def get_number_aliens(settings, screen):
#create an alien
alien = Alien(screen, settings)
#print(settings.screen_width)
#print(type(settings))
alien_width = alien.alien_width
screen_width = settings.screen_width
#determine the number of aliens per row
num_per_row = int(screen_width / (2 * alien_width))
to_loop = num_per_row - 1
return to_loop
def create_fleet(ai_settings, screen, ship, aliens):
"""Create a full fleet of aliens."""
# Create an alien, and find number of aliens in a row.
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 the fleet 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(ai_settings, screen, ship, aliens):
'''createsa full fleet of aliens'''
#create an alien and find the number of aliens in the row
#spacing between each alien is one alien width
alien = Alien(ai_settings, screen)
number_aliensx = get_number_aliens_x(ai_settings, alien.rect.width)
number_rows = get_number_rows(ai_settings, ship.rect.height,
alien.rect.height)
#create rows of aliens
for row_no in range(number_rows):
for alien_number in range(number_aliensx):
create_alien(ai_settings, screen, aliens, alien_number, row_no)
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 '''we create a new alien and then set its x-coordinate value to place it in the row''' '''Each alien is pushed to the right one alien width from the left margin. Next, we multiply the alien width by 2 to account for the space each alien takes up,including the empty space to its right, and we multiply this amount by the alien’s position in the row.''' alien.x=alien_width+2*alien_width*alien_number #We use the alien’s x attribute to set the position of its rect. alien.rect.x=alien.x '''we place y-coordinate of an alien which is not in the 1st row by adding on alien height which creates a space on top of the 1st row''' '''the next row is found 2 alien heights from the previous height''' alien.rect.y=alien.rect.height+2*alien_height*row_number self.aliens.add(alien)
def create_fleet(game_settings, screen, space_ship, aliens):
# create a full fleet of aliens
alien = Alien(game_settings, screen)
alien_width = alien.rect.width
alien_height = alien.rect.height
ship_height = space_ship.ship_rect.height
number_of_aliens = int(get_alien_number(game_settings, alien_width))
number_of_rows = int(
get_number_of_rows(game_settings, alien_height, ship_height))
for row_number in range(number_of_rows - 1):
for alien_number in range(number_of_aliens):
create_alien(game_settings, screen, alien_number, aliens,
row_number)
def create_fleet(ai_settings, screen, ship, aliens): """Create a full fleet of aliens.""" # Create an alien and find the number of aliens in a row. # Spacing between each alien is equal to one alien width. 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 the first row of aliens for row_number in range(number_rows): for alien_number in range(number_aliens_x): # Create an alien and place it in the row. create_alien(ai_settings, screen, aliens, alien_number, row_number)
def _create_fleet(self):
"""Create the fleet of aliens"""
#Create an alien and find the number of aliens in a row.
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)
#Create the fleet of aliens
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
self._create_alien(alien_number, row_number)
