def draw_on_surface(self, surface, game_board):
if not self.start_explosion:
time_before = self.time
self.time = pygame.time.get_ticks()
elapsed = self.time - time_before
self.x_position -= int(elapsed * self.speed)
self.image.rect.left = int(self.x_position)
if random.randint(1, 6) == 6:
time_now = pygame.time.get_ticks()
if self.last_fire_time + self.fire_time_delay < time_now:
bullet = BulletSprite(False)
bullet.image.rect.left = self.image.rect.left + self.image.rect.width / 2 - 4
bullet.image.rect.top = self.image.rect.top + self.image.rect.height / 2 - 9
bullet.rect = bullet.image.rect
game_board.enemy_group.add(bullet)
self.last_fire_time = time_now
super(EnemySprite, self).draw_on_surface(surface, game_board)
else:
if self.explosion_frame != 15:
tmp_rect = self.image.rect
self.image = ImageObject('explosion-%d.png' %
self.explosion_frame)
self.image.rect = tmp_rect
self.explosion_frame += 1
super(EnemySprite, self).draw_on_surface(surface, game_board)
def __init__(self, is_ship_bullet=True, *args, **kwargs):
super(BulletSprite, self).__init__(*args, **kwargs)
self.image = ImageObject('ship_bullet.png')
self.is_ship_bullet = is_ship_bullet
if not self.is_ship_bullet:
self.image.surface_to_draw = pygame.transform.flip(
self.image.surface_to_draw, True, False)
self.time = pygame.time.get_ticks()
def __init__(self, level=1):
self.level = level
self.background = ImageObject('background.png')
self.ship = ShipSprite()
self.bullets_group = pygame.sprite.Group()
self.enemy_group = pygame.sprite.Group()
self.inactive_group = pygame.sprite.Group()
self.level_file = open(
os.path.join('data', 'levels', 'level_%d.txt' % self.level))
self.level_file.readline(
) # First line indicates just limit of file width
def __init__(self, *args, **kwargs):
self.background = ImageObject('background.png')
def __init__(self, *args, **kwargs):
super(BossSprite, self).__init__(*args, **kwargs)
self.image = ImageObject('boss.png')
self.last_fire_time = pygame.time.get_ticks()
def __init__(self, buffer, buffer_size, board_after):
self.image = pygame.image.frombuffer(buffer, buffer_size, 'RGB')
self.next_board = board_after
self.background = ImageObject('background.png')
def __init__(self, *args, **kwargs):
super(SpriteBase, self).__init__(*args, **kwargs)
self.image = ImageObject('ship.png')
self.rect = self.image.rect
def __init__(self, *args, **kwargs):
super(EnemySprite, self).__init__(*args, **kwargs)
self.image = ImageObject('enemy_ship.png')
self.time = pygame.time.get_ticks()
def __init__(self, *args, **kwargs):
super(AsteroidSprite, self).__init__(*args, **kwargs)
self.image = ImageObject('asteroid_1.png')
self.time = pygame.time.get_ticks()
def process_draw_on_surface(self, surface):
self.background.draw_on_surface(surface)
if self.objects == []:
label = LabelObject('HOW TO PLAY?', 30)
label.rect.left = 190
label.rect.top = 25
self.objects.append(label)
label = LabelObject('Move your ship by pressing up and down.', 18)
label.rect.left = 120
label.rect.top = 120
self.objects.append(label)
label = LabelObject('To shoot press spacebar.', 18)
label.rect.left = 120
label.rect.top = 145
self.objects.append(label)
image = ImageObject('ship.png')
image.rect.left = 45
image.rect.top = 120
self.objects.append(image)
image = ImageObject('arrows.png')
image.rect.left = 49
image.rect.top = 176
self.objects.append(image)
image = ImageObject('arrows.png')
image.rect.left = 49
image.rect.top = 75
image.surface_to_draw = pygame.transform.flip(
image.surface_to_draw, False, True)
self.objects.append(image)
label = LabelObject('But watch out for', 18)
label.rect.left = 120
label.rect.top = 240
self.objects.append(label)
label = LabelObject('THE BOSS!', 28)
label.rect.left = 350
label.rect.top = 235
self.objects.append(label)
label = LabelObject('You must kill him before he shows', 18)
label.rect.left = 200
label.rect.top = 340
self.objects.append(label)
label = LabelObject('9 TIMES', 68)
label.rect.left = 240
label.rect.top = 370
self.objects.append(label)
image = ImageObject('boss.png')
image.rect.left = 39
image.rect.top = 300
self.objects.append(image)
self.objects.append(image)
for element in self.objects:
element.draw_on_surface(surface)
buffer = pygame.image.tostring(surface, 'RGB')
self.buffer = buffer
self.buffer_size = surface.get_size()
def __init__(self, *args, **kwargs):
super(ShipSprite, self).__init__(*args, **kwargs)
self.image = ImageObject('ship.png')
