运行代码
import sys
from time import sleep
import pygame
from settings import settings
from game_stats import GameStats
from ship import ship
from bullet import Bullet
from alien import Alien
from button import Button
from scoreboard import scoreboard
class alieninvasion:
def __init__(self):
pygame.init()
self.settings = settings()
self.screen = pygame.display.set_mode((self.settings.screen_width, self.settings.screen_height))
self.screen = pygame.display.set_mode((1200,800))
pygame.display.set_caption("weijia.game")
self.stats = GameStats(self)
self.sb = scoreboard(self)
self.bg_color = (0,0,139)
self.ship = ship(self)
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
self._create_fleet()
self.play_button = Button(self, "play")
def _create_fleet(self):
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)
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_alien(self, alien_number, row_number):
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):
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 _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_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 run_game(self):
while True:
self.check_events()
if self.stats.game_active:
self.ship.update()
self._update_bullets()
self._update_aliens()
self._update_screen()
def check_events(self, *event):
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_RIGHT:#key
self.ship.moving_right = True
elif event.key == pygame.K_LEFT: #key
self.ship.moving_left = True
elif event.key == pygame.K_UP:#key
self._fire_bullet()
elif event.key == pygame.K_q:
sys.exit()
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
self._check_play_button(mouse_pos)
elif event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT: #key
self.ship.moving_left = False
elif event.key == pygame.K_RIGHT:#key
self.ship.moving_right = False
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.settings.initialize_dynamic_settings()
self.stats.rests_stats()
self.stats.game_active = True
self.sb.prep_score()
self.aliens.empty()
self.bullets.empty()
self._create_fleet()
self.ship.center_ship()
pygame.mouse.set_visible(False)
def _fire_bullet(self):
if len(self.bullets) < self.settings.bullets_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 collisions:
for aliens in collisions.values():
self.stats.score += self.settings.alien_points * len(aliens)
self.sb.prep_score()
if not self.aliens:
self.bullets.empty()
self._create_fleet()
self.settings.increase_speed()
def _update_screen(self):
self.screen.fill(self.bg_color)
self.screen.fill(self.settings.bg_color)
self.ship.blitme(self)
for bullet in self.bullets.sprites():
bullet.draw_bullet()
self.aliens.draw(self.screen)
self.sb.show_score()
if not self.stats.game_active:
self.play_button.draw_button()
pygame.display.flip()
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)
print("game over")
else:
self.stats.game_active = False
pygame.mouse.set_visible(True)
if __name__ == '__main__':
ai = alieninvasion()
ai.run_game()
报错代码
pygame 2.1.2 (SDL 2.0.18, Python 3.7.2)
Hello from the pygame community. https://www.pygame.org/contribute.html
Traceback (most recent call last):
File "C:\Users\Administrator\Desktop\新建文件夹\main.py", line 263, in <module>
ai.run_game()
File "C:\Users\Administrator\Desktop\新建文件夹\main.py", line 127, in run_game
self._update_bullets()
File "C:\Users\Administrator\Desktop\新建文件夹\main.py", line 194, in _update_bullets
self._check_bullet_alien_collisions()
File "C:\Users\Administrator\Desktop\新建文件夹\main.py", line 204, in _check_bullet_alien_collisions
self.stats.score += self.settings.alien_points * len(aliens)
AttributeError: 'settings' object has no attribute 'alien_points'
