def check_alien_bullet_collisions(ai_settings, screen, stats, sb, ship, aliens,
beams, bullets, ufo):
"""Check that any aliens have been hit, handle empty fleet condition"""
collisions = pygame.sprite.groupcollide(bullets,
aliens,
True,
False,
collided=alien_collision_check)
if collisions:
for aliens_hit in collisions.values():
for a in aliens_hit:
stats.score += ai_settings.alien_points[str(a.alien_type)]
a.begin_death()
sb.prep_score()
check_high_score(stats, sb)
ufo_collide = pygame.sprite.groupcollide(bullets,
ufo,
True,
False,
collided=alien_collision_check)
if ufo_collide:
for ufo in ufo_collide.values():
for u in ufo:
stats.score += u.score
u.begin_death()
sb.prep_score()
check_high_score(stats, sb)
if len(aliens) == 0:
# destroy all existing bullets and re-create fleet, reset speed, increase starting speed
if ufo:
for u in ufo.sprites():
u.kill() # kill any UFOs before start of new level
beams.empty()
bullets.empty()
stats.level += 1
level_intro(ai_settings, screen, stats) # play an intro for the level
ai_settings.increase_base_speed(
) # increase base speed, reset speed to base
ai_settings.reset_alien_speed()
sb.prep_level() # setup scoreboard
create_fleet(ai_settings, screen, ship, aliens)
stats.next_speedup = len(aliens) - (
len(aliens) // 5) # Get next number of aliens to speedup at
stats.aliens_left = len(aliens)
if stats.aliens_left <= stats.next_speedup and ai_settings.alien_speed_factor < ai_settings.alien_speed_limit:
# If the number of aliens left is low enough, and we haven't already hit the limit, speed up aliens
ai_settings.increase_alien_speed()
stats.next_speedup = stats.aliens_left - (stats.aliens_left // 5)
def check_bullet_alien_collisions(ai_settings, screen, stats, sb, ship, aliens, alien_bullets, bullets, ufo):
"""Check that any aliens have been hit, handle empty fleet condition"""
collisions = pygame.sprite.groupcollide(bullets, aliens, True, False, collided=alien_collision_check)
# When collisions occur to aliens
if collisions:
for aliens_hit in collisions.values():
for a in aliens_hit:
# Set scores
stats.score += ai_settings.alien_points[str(a.alien_type)]
a.bullet_collide()
sb.prep_score()
check_high_score(stats, sb)
# When collisons occur to ufo
ufo_collide = pygame.sprite.groupcollide(bullets, ufo, True, False, collided=alien_collision_check)
if ufo_collide:
for ufo in ufo_collide.values():
# Update scores
for u in ufo:
stats.score += u.score
u.hit_ufo()
sb.prep_score()
check_high_score(stats, sb)
if len(aliens) == 0:
if ufo:
for u in ufo.sprites():
u.died()
# Manages the alien bullets and manages level increases
alien_bullets.empty()
bullets.empty()
stats.level += 1
level_intro(ai_settings, screen, stats)
# Manages music speed
ai_settings.increase_base_speed()
# Manages alien speed
ai_settings.reset_alien_speed()
# Calls to show scoreboard
sb.prep_level()
# Crate the fleet of aliens
create_fleet(ai_settings, screen, ship, aliens)
stats.next_speedup = len(aliens) - (len(aliens) // 5)
stats.aliens_left = len(aliens)
if stats.aliens_left <= stats.next_speedup and ai_settings.alien_speed_factor < ai_settings.alien_speed_limit:
# Increases speed of aliens when certain aliens left
ai_settings.increase_alien_speed()
stats.next_speedup = stats.aliens_left - (stats.aliens_left // 5)
def check_alien_bullet_collisions(ai_settings, screen, stats, sb, ship, aliens,
beams, bullets, ufo):
collisions = pygame.sprite.groupcollide(bullets,
aliens,
True,
False,
collided=alien_collision_check)
if collisions:
for aliens_hit in collisions.values():
for a in aliens_hit:
stats.score += ai_settings.alien_points[str(a.alien_type)]
a.begin_death()
sb.prep_score()
check_high_score(stats, sb)
ufo_collide = pygame.sprite.groupcollide(bullets,
ufo,
True,
False,
collided=alien_collision_check)
if ufo_collide:
for ufo in ufo_collide.values():
for u in ufo:
stats.score += u.score
u.begin_death()
sb.prep_score()
check_high_score(stats, sb)
if len(aliens) == 0:
if ufo:
for u in ufo.sprites():
u.kill()
beams.empty()
bullets.empty()
stats.level += 1
level_intro(ai_settings, screen, stats)
ai_settings.increase_base_speed()
ai_settings.reset_alien_speed()
sb.prep_level()
create_fleet(ai_settings, screen, ship, aliens)
stats.next_speedup = len(aliens) - (len(aliens) // 5)
stats.aliens_left = len(aliens)
if stats.aliens_left <= stats.next_speedup and ai_settings.alien_speed_factor < ai_settings.alien_speed_limit:
ai_settings.increase_alien_speed()
stats.next_speedup = stats.aliens_left - (stats.aliens_left // 5)