• 南九的橘猫
    了解作者
  • Python
    开发工具
  • 50KB
    文件大小
  • zip
    文件格式
  • 0
    收藏次数
  • 10 积分
    下载积分
  • 0
    下载次数
  • 2020-11-29 22:36
    上传日期
一个小游戏:玩家操纵飞船击落外星飞船后获得分数,全部击落后重新开始。若没有全部击落则游戏失败重新开始。
test.zip
  • test
  • shooting_aliens
  • images
  • ship.bmp
    8.5KB
  • alien.bmp
    10.2KB
  • alien_invasion.py
    5.5KB
  • ship.py
    1.3KB
  • alien.py
    1.1KB
  • settings.py
    723B
  • bullet.py
    1.1KB
  • building_alien_fleet
  • images
  • ship.bmp
    8.5KB
  • alien.bmp
    10.2KB
  • alien_invasion.py
    4.3KB
  • ship.py
    1.3KB
  • alien.py
    689B
  • settings.py
    528B
  • bullet.py
    1.1KB
  • ending_the_game
  • images
  • ship.bmp
    8.5KB
  • alien.bmp
    10.2KB
  • __pycache__
  • alien.cpython-39.pyc
    1.3KB
  • settings.cpython-39.pyc
    897B
  • bullet.cpython-39.pyc
    1.3KB
  • ship.cpython-39.pyc
    1.5KB
  • game_stats.cpython-39.pyc
    792B
  • alien_invasion.py
    6.9KB
  • ship.py
    1.5KB
  • game_stats.py
    446B
  • alien.py
    1.1KB
  • settings.py
    751B
  • bullet.py
    1.1KB
  • creating_first_alien
  • images
  • ship.bmp
    8.5KB
  • alien.bmp
    10.2KB
  • alien_invasion.py
    3.1KB
  • ship.py
    1.3KB
  • alien.py
    689B
  • settings.py
    528B
  • bullet.py
    1.1KB
  • .idea
  • inspectionProfiles
  • profiles_settings.xml
    174B
  • .gitignore
    253B
  • misc.xml
    188B
  • workspace.xml
    1.4KB
  • chapter_13.iml
    452B
  • modules.xml
    279B
  • making_fleet_move
  • images
  • ship.bmp
    8.5KB
  • alien.bmp
    10.2KB
  • alien_invasion.py
    5KB
  • ship.py
    1.3KB
  • alien.py
    1.1KB
  • settings.py
    723B
  • bullet.py
    1.1KB
内容介绍
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 class AlienInvasion: """Overall class to manage game assets and behavior.""" def __init__(self): """Initialize the game, and create game resources.""" pygame.init() self.settings = Settings() self.screen = pygame.display.set_mode((0, 0), pygame.FULLSCREEN) self.settings.screen_width = self.screen.get_rect().width self.settings.screen_height = self.screen.get_rect().height pygame.display.set_caption("Alien Invasion") # Create an instance to store game statistics. self.stats = GameStats(self) self.ship = Ship(self) self.bullets = pygame.sprite.Group() self.aliens = pygame.sprite.Group() self._create_fleet() def run_game(self): """Start the main loop for the game.""" 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): """Respond to keypresses and mouse events.""" 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) def _check_keydown_events(self, event): """Respond to keypresses.""" 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_q: sys.exit() elif event.key == pygame.K_SPACE: self._fire_bullet() def _check_keyup_events(self, event): """Respond to key releases.""" if event.key == pygame.K_RIGHT: self.ship.moving_right = False elif event.key == pygame.K_LEFT: self.ship.moving_left = False def _fire_bullet(self): """Create a new bullet and add it to the bullets group.""" if len(self.bullets) < self.settings.bullets_allowed: new_bullet = Bullet(self) self.bullets.add(new_bullet) def _update_bullets(self): """Update position of bullets and get rid of old bullets.""" # Update bullet positions. self.bullets.update() # Get rid of bullets that have disappeared. 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 to bullet-alien collisions.""" # Remove any bullets and aliens that have collided. collisions = pygame.sprite.groupcollide( self.bullets, self.aliens, True, True) if not self.aliens: # Destroy existing bullets and create new fleet. self.bullets.empty() self._create_fleet() 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 collisions. if pygame.sprite.spritecollideany(self.ship, self.aliens): self._ship_hit() # Look for aliens hitting the bottom of the screen. self._check_aliens_bottom() def _check_aliens_bottom(self): """Check if any aliens have 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 _ship_hit(self): """Respond to the ship being hit by an alien.""" if self.stats.ships_left > 0: # Decrement ships_left. self.stats.ships_left -= 1 # Get rid of any remaining aliens and bullets. self.aliens.empty() self.bullets.empty() # Create a new fleet and center the ship. self._create_fleet() self.ship.center_ship() # Pause. sleep(0.5) else: self.stats.game_active = False def _create_fleet(self): """Create the 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(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 full 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) 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 _check_fleet_edges(self): """Respond appropriately if any aliens 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's direction.""" for alien in self.aliens.sprites(): alien.rect.y += self.settings.fleet_drop_speed self.settings.fleet_direction *= -1 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) pygame.display.flip() if __name__ == '__main__': # Make a game instance, and run the game. ai = AlienInvasion() ai.run_game()
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