我的角色在击中一个精灵组后应该就停止了，但我不知道该怎么做。 碰撞效果完美。

我试图将力度设置为零，但是我再也无法移动角色了。 希望有人可以帮助我。预先感谢

def update(self):
    self.animate()
    self.x += self.velx
    self.y += self.vely
    BATTLE.fight += round(BATTLE.fightcount * 0.9)

     

hit = pygame.sprite.spritecollide（PLAYER，all_sprites，False）

if hit:
    if PLAYER.x >= b.rect.x:
       PLAYER.x = b.rect.x - 17
    elif PLAYER.x <= b.rect.x:
        PLAYER.x = b.rect.x + 15
    elif PLAYER.y <= b.rect.y:
        PLAYER.y = b.rect.y +10
    elif PLAYER.y >= b.rect.y:
        PLAYER.y = b.rect.y -10

for event in pygame.event.get():
    if event.type == pygame.QUIT or (event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE):
        setup_gfx.done = True
        sys.exit()
    if event.type == pygame.KEYDOWN:
        if event.key == pygame.K_LEFT:
            BATTLE.fightcount +=1
            PLAYER.velx -= 1
            PLAYER.current_frame += 1
        if event.key == pygame.K_RIGHT:
            BATTLE.fightcount += 1
            PLAYER.velx += 1
            PLAYER.current_frame += 1
        if event.key == pygame.K_UP:
            BATTLE.fightcount +=1
            PLAYER.vely -= 1
            PLAYER.current_frame += 1
        if event.key == pygame.K_DOWN:
            BATTLE.fightcount +=1          
            PLAYER.vely += 1
            PLAYER.current_frame += 1