python飞机大战demopython_demo_1.zip

import sys import pygame from bullet import Bullet from alien import Alien from time import sleep def check_events(ai_settings,screen,stats,sb,play_button,ship,aliens, bullets): #response button & mouse for event in pygame.event.get(): if event == pygame.QUIT: sys.exit() elif event.type == pygame.KEYDOWN: check_keydown_events(event,ai_settings,screen,ship,bullets) elif event.type == pygame.KEYUP: check_keyup_events(event,ship) elif event.type == pygame.MOUSEBUTTONDOWN: mouse_x,mouse_y = pygame.mouse.get_pos() check_play_button(ai_settings,screen,stats,sb,play_button, ship,aliens,bullets,mouse_x,mouse_y) def check_play_button(ai_settings,screen,stats,sb,play_button,ship, aliens,bullets,mouse_x,mouse_y): button_clicked = play_button.rect.collidepoint(mouse_x,mouse_y) if button_clicked and not stats.game_active: ai_settings.initialize_dynamic_settings() pygame.mouse.set_visible(False) stats.reset_stats() stats.game_active = True sb.prep_score() sb.prep_high_score() sb.prep_level() sb.prep_ships() aliens.empty() bullets.empty() create_fleet(ai_settings,screen,ship,aliens) ship.center_ship() def check_keydown_events(event,ai_settings,screen,ship,bullets): #reponse button if event.key == pygame.K_RIGHT: #ship move to right ship.moving_right = True elif event.key == pygame.K_LEFT: #ship move to left ship.moving_left = True elif event.key == pygame.K_SPACE: fire_bullet(ai_settings,screen,ship,bullets) elif event.key == pygame.K_q: sys.exit() def fire_bullet(ai_settings,screen,ship,bullets): #build a bullet & join group(bullets) if len(bullets) < ai_settings.bullets_allowed: new_bullet = Bullet(ai_settings,screen,ship) bullets.add(new_bullet) def check_keyup_events(event,ship): #reponse open if event.key == pygame.K_RIGHT: #ship move to right ship.moving_right = False elif event.key == pygame.K_LEFT: #ship move to left ship.moving_left = False def update_screen(ai_settings,screen,stats,sb,ship,aliens, bullets,play_button): #update picture on phone & switch phone 5 #when every circle draw phone screen.fill(ai_settings.bg_color) #behind ship & alien draw bullet for bullet in bullets.sprites(): bullet.draw_bullet() ship.blitme() aliens.draw(screen) sb.show_score() #draw "play" button if not stats.game_active: play_button.draw_button() #can see draw on recently pygame.display.flip() def update_bullets(ai_settings,screen,stats,sb,ship,aliens,bullets): bullets.update() #delete discover bullet for bullet in bullets.copy(): if bullet.rect.bottom <= 0: bullets.remove(bullet) #check bullet if attack alien #if result is "true" delete alien & bullet check_bullet_alien_collision(ai_settings,screen,stats,sb,ship, aliens,bullets) def check_bullet_alien_collision(ai_settings,screen,stats,sb, ship,aliens,bullets): collisions = pygame.sprite.groupcollide(bullets,aliens,True,True) if collisions: for aliens in collisions.values(): stats.score += ai_settings.alien_points * len(aliens) sb.prep_score() check_high_score(stats,sb) if len(aliens) == 0: #delete now_bullets & build new_aliens bullets.empty() ai_settings.initialize_dynamic_settings() ai_settings.increase_speed() stats.level += 1 sb.prep_level() create_fleet(ai_settings,screen,ship,aliens) def create_fleet(ai_settings,screen,ship,aliens): #build aliens #build a alien & number how many a line #spacing alien alien = Alien(ai_settings,screen) number_aliens_x = get_numner_aliens_x(ai_settings,alien.rect.width) number_rows = get_number_rows(ai_settings,ship.rect.height, alien.rect.height) #build a line alien for row_number in range(number_rows): for alien_number in range(number_aliens_x): ##build a alien & join in #alien = Alien(ai_settings,screen) #alien.x = alien_width + 2 * alien_width * alien_number #alien.rect.x = alien.x #aliens.add(alien) create_alien(ai_settings,screen,aliens,alien_number, row_number) def get_numner_aliens_x(ai_settings,alien_width): #number hold how many alien in a lien available_space_x = ai_settings.screen_width - 2 * alien_width number_aliens_x = int(available_space_x / (2 * alien_width)) return number_aliens_x def create_alien(ai_settings,screen,aliens,alien_number,row_number): #build aliens #build a alien & number how many a line #spacing alien 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 get_number_rows(ai_settings,ship_height,alien_height): #number can hold how aliens available_space_y = (ai_settings.screen_height - (3 * alien_height) - ship_height) number_rows = int(available_space_y / (2 * alien_height)) return number_rows def check_fleet_edges(ai_settings,aliens): #when alien touch edge for alien in aliens.sprites(): if alien.check_edges(): change_fleet_direction(ai_settings,aliens) break def change_fleet_direction(ai_settings,aliens): #g_down aliens & change direction for alien in aliens.sprites(): alien.rect.y += ai_settings.fleet_drop_speed ai_settings.fleet_direction *= -1 def update_aliens(ai_settings,screen,stats,sb,ship,aliens,bullets): #update aliens loc #if check alien loc screen edge & update alien loc check_fleet_edges(ai_settings,aliens) aliens.update() if pygame.sprite.spritecollideany(ship,aliens): #print("ship hit!!!") ship_hit(ai_settings,screen,stats,sb,ship,aliens,bullets) check_aliens_bottom(ai_settings,screen,stats,sb,ship,aliens,bullets) def ship_hit(ai_settings,screen,stats,sb,ship,aliens,bullets): if stats.ships_left > 0: #answer alien attack ship #ship_left -1 stats.ships_left -= 1 sb.prep_ships() #clear aliens list & bullets list aliens.empty() bullets.empty() #create new aliens & put ship in center-bottom create_fleet(ai_settings,screen,ship,aliens) ship.center_ship() #sleep sleep(0.5) else: stats.game_active = False pygame.mouse.set_visible(True) def check_aliens_bottom(ai_settings,screen,stats,sb,ship,aliens,bullets): #check if alien go to bottom screen_rect = screen.get_rect() for alien in aliens.sprites(): if alien.rect.bottom >= screen_rect.bottom: #as like ship attack ship_hit(ai_settings,screen,stats,sb,ship,aliens,bullets) break def check_high_score(stats,sb): #check high-score if stats.score >stats.high_score: stats.high_score = stats.score sb.prep_high_score()