def update_aliens(infrompy_settings, aliens, screen, ship, alien_explosions,
alien_bullets, red_screen):
for alien in aliens:
if alien.health <= 0:
if alien.death_ticks == 1:
sounds.playsound('explosion2')
new_explosion1 = Alien_Explosion(screen, alien)
alien_explosions.add(new_explosion1)
new_explosion2 = Alien_Explosion(screen, alien)
alien_explosions.add(new_explosion2)
if alien.death_ticks == 3:
new_explosion1 = Alien_Explosion(screen, alien)
alien_explosions.add(new_explosion1)
new_explosion2 = Alien_Explosion(screen, alien)
alien_explosions.add(new_explosion2)
if alien.death_ticks == 5:
new_explosion1 = Alien_Explosion(screen, alien)
alien_explosions.add(new_explosion1)
elif alien.death_ticks >= 6:
infrompy_settings.add_score_alien_dead()
aliens.remove(alien)
# Upate position of all aliens and check if fleet is at edge
check_fleet_edges(infrompy_settings, aliens)
aliens.update()
# Check alien ship collisions
if pygame.sprite.spritecollideany(ship, aliens) and ship.invul == False:
red_screen.turn_on()
ship.health -= 1
ship.invul = True
ship.invul_tick = infrompy_settings.ship_invul_time
infrompy_settings.ship_health = ship.health
def update_bullets(infrompy_settings, aliens, screen, ship, bullets,
bullet_explosions, alien_explosions, alien_bullets):
# Update positions of bullets and remove old bullets
# CHeck for bullets that have hit aliens
# Get rid of bullet and alien
for bullet in bullets:
for alien in aliens:
if pygame.sprite.collide_rect(alien, bullet):
bullet.exploded = True
new_bullet_explosion = Bullet_Explosion(screen, bullet)
bullet_explosions.add(new_bullet_explosion)
sounds.playsound('explosion1')
bullets.remove(bullet)
alien.health -= bullet.damage
if len(aliens) == 0:
bullets.empty()
alien_bullets.empty()
infrompy_settings.add_score_level_clear()
infrompy_settings.alien_level += 1
infrompy_settings.alien_firing_interval = max(
50, infrompy_settings.alien_firing_interval - 50)
create_fleet(infrompy_settings, screen, ship, aliens)
#colisions = pygame.sprite.groupcollide(bullets, aliens, True, False)
bullets.update()
# Remove bullets
for bullet in bullets.copy():
if bullet.rect.bottom <= 0:
bullets.remove(bullet)
def update_screen(infrompy_settings, screen, ship, ship_explosions, aliens,
bullets, bullet_explosions, alien_explosions, alien_bullets,
alien_bullet_explosions, info_board, play_button,
play_again_button, red_screen):
# Redraw old bullets behind aliens and ship
for bullet in bullets.sprites():
bullet.draw_bullet()
for alien_bullet in alien_bullets:
alien_bullet.draw_alien_bullet()
ship.blitme()
aliens.draw(screen)
if not infrompy_settings.game_active and infrompy_settings.ship_dead == False:
play_button.draw_button()
elif infrompy_settings.ship_dead == True:
play_again_button.draw_button()
for bullet_explosion in bullet_explosions:
bullet_explosion.draw_bullet_explosion()
for alien_bullet_explosion in alien_bullet_explosions:
alien_bullet_explosion.draw_alien_bullet_explosion()
for alien_explosion in alien_explosions:
alien_explosion.draw_alien_explosion()
for ship_explosion in ship_explosions:
ship_explosion.draw_ship_explosion()
# Check redscreen on
if red_screen.on:
red_screen.blitme
# Check whether to shoot:
if ship.shooting_tick == 2:
sounds.playsound('laser1')
new_bullet = Bullet(infrompy_settings, screen, ship, bullet_explosions)
bullets.add(new_bullet)
# Check whether aliens shoot
for alien in aliens:
if alien.current_tick == alien.firing_tick:
sounds.playsound('laser2')
new_alien_bullet = Alien_Bullet(infrompy_settings, screen, ship,
alien)
alien_bullets.add(new_alien_bullet)
elif alien.current_tick >= infrompy_settings.alien_start_firing_tick + infrompy_settings.alien_firing_interval:
alien.current_tick = 0
info_board.prep_info()
info_board.display_info()
#Make most recent screen visible
pygame.display.flip()
def update_ship(infrompy_settings, screen, ship, ship_explosions):
ship.update()
if ship.dead == True:
ship.moving_right = False
ship.moving_left = False
ship.moving_up = False
ship.moving_down = False
ship.shoting = False
ship.death_tick += 1
if ship.death_tick == 60:
infrompy_settings.game_active = False
else:
sounds.playsound('explosion1')
new_explosion = Ship_Explosion(screen, ship)
ship_explosions.add(new_explosion)
def update_alien_bullets(infrompy_settings, aliens, screen, ship,
alien_bullets, alien_bullet_explosions, red_screen):
alien_bullets.update()
for alien_bullet in alien_bullets:
if pygame.Rect.colliderect(ship.hitbox, alien_bullet):
alien_bullet.exploded = True
new_alien_bullet_explosion = Alien_Bullet_Explosion(
screen, alien_bullet)
alien_bullet_explosions.add(new_alien_bullet_explosion)
sounds.playsound('explosion1')
alien_bullets.remove(alien_bullet)
if not ship.invul:
ship.health -= alien_bullet.damage
red_screen.turn_on()
infrompy_settings.ship_health = ship.health
ship.invul = True
ship.invul_tick = infrompy_settings.ship_invul_time
for alien_bullet in alien_bullets.copy():
if alien_bullet.rect.top >= infrompy_settings.screen_height:
alien_bullets.remove(alien_bullet)
def run_game():
#Initialize game and make a screen object
pygame.init()
sounds.playsound('theme1')
infrompy_settings = Settings()
screen = pygame.display.set_mode(
(infrompy_settings.screen_width, infrompy_settings.screen_height))
screenRect = screen.get_rect()
pygame.display.set_caption("Invaders")
background = Background(infrompy_settings, screen)
red_screen = Red_Screen(infrompy_settings, screen)
# Make play button and replay button
play_button = Button(infrompy_settings, screen, "Play")
play_again_button = Button(infrompy_settings, screen,
"Your ship ded lol. Play Again ?")
# Make an instance to store game stats
stats = GameStats(infrompy_settings)
# Make a ship, group of bullets and group of aliens
ship = Ship(infrompy_settings, screen)
ship_explosions = Group()
bullets = Group()
bullet_explosions = Group()
aliens = Group()
alien_explosions = Group()
alien_bullets = Group()
alien_bullet_explosions = Group()
background = Background(infrompy_settings, screen)
# Level board
info_board = Info_Board(infrompy_settings, screen)
# Bullets group
gf.create_fleet(infrompy_settings, screen, ship, aliens)
while True:
background.blitme()
gf.check_events(infrompy_settings, screen, ship, bullets,
bullet_explosions, play_button)
if infrompy_settings.game_active:
gf.update_aliens(infrompy_settings, aliens, screen, ship,
alien_explosions, alien_bullet_explosions,
red_screen)
gf.update_alien_explosions(aliens, screen, alien_explosions)
gf.update_ship(infrompy_settings, screen, ship, ship_explosions)
gf.update_ship_explosions(ship, screen, ship_explosions)
gf.update_bullet_explosions(aliens, screen, bullets,
bullet_explosions)
gf.update_bullets(infrompy_settings, aliens, screen, ship, bullets,
bullet_explosions, alien_explosions,
alien_bullets)
gf.update_alien_bullets(infrompy_settings, aliens, screen, ship,
alien_bullets, alien_bullet_explosions,
red_screen)
gf.update_alien_bullet_explosions(aliens, screen,
alien_bullet_explosions)
gf.update_red_screen(infrompy_settings, red_screen)
gf.update_screen(infrompy_settings, screen, ship, ship_explosions,
aliens, bullets, bullet_explosions, alien_explosions,
alien_bullets, alien_bullet_explosions, info_board,
play_button, play_again_button, red_screen)