class Asteroid(Sprite):
def __init__(self, image_url, image_width, image_height, inset = None):
super(Asteroid, self).__init__()
self.sheet = SpriteSheet(image_url)
self.images = self.sheet.images_by(image_width, image_height, Color("black"), inset)
self.current_frame = 0
self.image = self.images[self.current_frame]
self.rect = self.image.get_rect(
top = randint(-100, 0),
left = randint(0, SCREEN_SIZE[0]),
width = image_width,
height = image_height
)
self.frame_speed = 1.5
self.animation_counter = 0
def update(self):
if self.animation_counter == (self.frame_speed - 1):
self.current_frame = (
(self.current_frame + 1) if self.current_frame < len(self.images) else 0
)
self.animation_counter = (self.animation_counter + 1) % self.frame_speed
self.image = self.images[self.current_frame - 1]
if self.rect.y > SCREEN_SIZE[1]:
self.rect.y = 0
self.rect.x = random.randint(0, SCREEN_SIZE[0])
else:
self.rect.y += self.speed
class PlayerHitAnimation(Sprite):
def __init__(self, player):
super(PlayerHitAnimation, self).__init__()
self.player = player
self.sheet = SpriteSheet("assets/images/Sprite_FX_Explosion_0042.png")
self.images = self.sheet.images_by(148, 148, (0, 0, 0))
self.current_frame = 0
self.frame_speed = 2
self.animation_counter = 0
self.image = self.images[self.current_frame]
self.rect = self.image.get_rect(
left = self.player.rect.x, top = self.player.rect.y
)
def update(self):
if self.animation_counter == (self.frame_speed - 1):
self.current_frame = (self.current_frame + 1) % len(self.images)
self.animation_counter = (self.animation_counter + 1) % self.frame_speed
self.image = self.images[self.current_frame - 1]
self.rect = self.image.get_rect(
left = self.player.rect.x, top = self.player.rect.y
)
if self.current_frame == len(self.images) - 1:
self.kill()
