def init(self):
self.sprites = pygame.sprite.Group()
self.mobs = pygame.sprite.Group()
self.bullets = pygame.sprite.Group()
self.power_ups = pygame.sprite.Group()
for i in range(config.NB_MOBS):
new_mob = Mob()
new_mob.add(self.mobs, self.sprites)
self.player = Player()
self.sprites.add(self.player)
self.score = 0
self.gameover = False
def update(self):
self.background.update()
self.sprites.update()
# list of mobs collided with player ; mobs are deleted
mob_hits_with_player = pygame.sprite.spritecollide(
self.player, self.mobs, True, pygame.sprite.collide_circle)
for mob_hit in mob_hits_with_player:
self.sound_handler.play("player_hit")
self.player.shield -= mob_hit.radius * 2
expl = Explosion(self.explosion_anim, mob_hit.rect.center, 'sm')
self.sprites.add(expl)
new_mob = Mob()
new_mob.add(self.mobs, self.sprites)
if self.player.shield < 0:
self.sound_handler.play("player_death")
self.death_explosion = Explosion(self.explosion_anim,
self.player.rect.center,
'player')
self.sprites.add(self.death_explosion)
self.player.hide()
self.player.lives -= 1
self.player.shield = self.player.initial_shield
# check if player died
if self.player.lives == 0 and not self.death_explosion.alive():
self.gameover = True
log.info("Game Over!")
log.info("Score: " + str(self.score))
# list of mobs collided with the bullets ; both are deleted
mob_hits_with_bullets = pygame.sprite.groupcollide(
self.mobs, self.bullets, True, True)
for mob_hit in mob_hits_with_bullets:
self.sound_handler.play("explosion")
points_gained = 60 - mob_hit.radius
self.score += points_gained
log.info("Hit Radius: " + str(mob_hit.radius))
self.score_textes.append(
Float_Text(str(points_gained), 60, mob_hit.rect.midtop[0],
mob_hit.rect.midtop[1] - 10))
expl = Explosion(self.explosion_anim, mob_hit.rect.center, 'lg')
self.sprites.add(expl)
new_mob = Mob() # respawn a new mob
new_mob.add(self.mobs, self.sprites)
if random.random() > self.power_up_rate: # 90%
power = Power_Up(mob_hit.rect.center)
power.add(self.sprites, self.power_ups)
# list of power_ups collided with player ; power_ups are deleted
power_up_hits_with_player = pygame.sprite.spritecollide(
self.player, self.power_ups, True)
for pu_hit in power_up_hits_with_player:
level = pu_hit.level
if pu_hit.type == 'shield':
self.sound_handler.play("shield")
bonus = 1 if level == 'bronze' else 3 if level == 'silver' else 9
bonus *= self.player.initial_shield // random.randrange(
12, 30) # 20 / 40 / 60 %
self.player.shield += bonus
self.player.shield = self.player.initial_shield if self.player.shield > self.player.initial_shield else self.player.shield
self.shield_bonus_textes.append(
Float_Text(str(bonus), 60, pu_hit.rect.midtop[0],
pu_hit.rect.midtop[1] - 10))
elif pu_hit.type == 'bolt':
self.sound_handler.play("bolt")
self.player.shoot_bonus_counter += 3 * (
1 if level == 'bronze' else 2 if level == 'silver' else 4)
# moving floating text about points got from destroying mobs
self.score_textes = list(
filter(lambda x: x.lifetime > 0, self.score_textes))
for s in self.score_textes:
s.update(2, 2)
# moving floating text about shield bonuses
self.shield_bonus_textes = list(
filter(lambda x: x.lifetime > 0, self.shield_bonus_textes))
for s in self.shield_bonus_textes:
s.update(1, 1)
