角色跳跃时向另一方向看，弹丸也从另一方向出来

Question

如果有人愿意帮助我解决两个简单的问题（我很烦人地找不到解决方案），我将永远感激不尽。我已经尝试了几种来自互联网的解决方案，但它们似乎给我提供了更多错误。

基本上，我有一个 2d 平台游戏，可以让你左右移动、跳跃和射击。但是，当您向右移动然后跳跃时，它会以相反的方向面向您[向左走和跳跃都很好]。我认为它与“DeprecationWarning：需要一个整数（类型为浮点数）。不推荐使用 int 隐式转换为整数”错误有关，但我可能错了。一旦你向右移动并跳跃并且它以相反的方向面对你，子弹也会朝“右”方向移动，尽管精灵看起来面向窗口的左侧。如果任何可以帮助我的人在解决问题时遇到困难，请与我联系，我会尽我所能提供帮助，同时我也会自己解决问题。非常感谢提前。安东尼

如果有人可以查看我的代码并指导我如何解决这个问题，我将再次感激不尽。

完整代码：https://pastebin.pl/view/0bb0b42c

疑似错误部分代码：

    def draw(self,screen):
        if self.walkCount + 1 >= 21:
            self.walkCount = 0

        if not(self.standing):
            if self.left:
                screen.blit(self.walkLeft[self.walkCount//3], (self.x,self.y))
                self.walkCount += 1
            elif self.right:
                screen.blit(self.walkRight[self.walkCount//3],(self.x,self.y))
                self.walkCount += 1
        else:
            if self.right:
                screen.blit(self.walkRight[0], (self.x, self.y))
            else:
                screen.blit(self.walkLeft[0], (self.x, self.y))

    def move(self,x,y): #creating the move object so we can call it later and move our sprite
        if x != 0:
            self.move_single_axis(x,0)
        if y != 0:
            self.move_single_axis(0,y)
    def move_single_axis(self, x, y):
        self.rect.x += x
    def update(self):
        if self.y > H - height:
            self.y += 10

&

        for bullet in bullets:
            if bullet.x < 800 and bullet.x > 0: #Making sure the bullet isn't off the screen.
                bullet.x += bullet.vel #move our bullet according to velocity
            else:
                bullets.pop(bullets.index(bullet)) #Deleting our bullet by popping (removing) from list.
        
        keys = pygame.key.get_pressed() # creating a variable to check for key presses

        if keys [pygame.K_UP]:
            if player.left:
                facing = -1 #determining direction of bullet (left = -1)
            else:
                facing = 1 #determining direction of bullet (right = +1)                
            if len(bullets) < 6: #no. of bullets on screen at once.
                bullets.append(Bullet(round(player.x + player.width // 2), round(player.y + player.height // 2), 6, (0,0,0), facing))
        
        if keys[pygame.K_LEFT] and player.x > player.vel:
            player.x -= player.vel
            player.right = False  
            player.left = True
            player.standing = False
                
        elif keys[pygame.K_RIGHT]:
            player.x += player.vel
            player.right = True
            player.left = False
            player.standing = False
            if player.x >= W-width:
                player.x = W-width
        else:
            player.standing = True
            player.walkCount = 0
            

        if not (player.isJump):
            if keys[pygame.K_SPACE]:
                player.isJump = True
                player.right = False
                player.left = False
                player.walkCount = 0
        else:
            if player.jumpCount >= -11.5:
                neg = 1
                if player.jumpCount < 0:
                    neg = -1
                player.y -= (player.jumpCount ** 2) * 0.5 * neg
                player.jumpCount -= 1
            else:
                player.isJump = False
                player.jumpCount = 11.5

Answer 1

该问题是由按下 SPACE 时设置 player.right = False 和 player.left = False 引起的。由于方向信息存储在player.right和player.left中，所以信息会丢失。跳转时保持player.right和player.left的状态：

if not (player.isJump):
    if keys[pygame.K_SPACE]:
        player.isJump = True
        # player.right = False <--- DELETE
        # player.left = False  <--- DELETE
        player.walkCount = 0