Python 从上掉落的矩形仅与列表中的一个矩形碰撞？

我试图使下降的矩形与两个静态矩形碰撞，但它只与列表中的第二个矩形碰撞。我该怎么做？我尝试使用rect.coliderect，但它会使rect重叠。但我不想让它们重叠。我甚至使用了rect.bottom=tile.top，但它不起作用。请帮忙

    import pygame
    
    dis = pygame.display.set_mode((500, 500))
    clock = pygame.time.Clock()
    x = 200
    y = 10
    gra = 10
    air_timer = 0
    jumped = False
    
    
    def collisions(rect, tiles):
        collide = {
            'top': False,
            'bottom': False,
            'left': False,
            'right': False
        }
    
        for tile in tiles:
            # if tile.top <= rect.top <= tile.bottom:
            #     if tile.left <= rect.right <= tile.right or tile.left <= rect.left <= tile.right:
            #         collide["top"] = True
            #     else:
            #         collide["top"] = False
            # else:
            #     collide["top"] = False
    
            if tile.top <= rect.bottom <= tile.bottom:
                if tile.left <= rect.right <= tile.right or tile.left <= rect.left <= tile.right:
                    collide["bottom"] = True
                else:
                    collide["bottom"] = False
            else:
                collide["bottom"] = False
    
            # if tile.top <= rect.bottom <= tile.bottom:
            #     if tile.left <= rect.right <= tile.right or tile.left <= rect.left <= tile.right:
            #         collide['bottom'] = True
            #     else:
            #         collide['bottom'] = False
            # else:
            #     collide['bottom'] = False
            #
            # if tile.top <= rect.bottom <= tile.bottom:
            #     if tile.left <= rect.right <= tile.right or tile.left <= rect.left <= tile.right:
            #         collide['bottom'] = True
            #     else:
            #         collide['bottom'] = False
            # else:
            #     collide['bottom'] = False
    
        return collide
    
    
    run = True
    while run:
        clock.tick(30)
        dis.fill((255, 255, 255))
        y += gra
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                run = False
    
        pygame.draw.rect(dis, (16, 50, 255), (x, y, 25, 50), 1)
        fall = pygame.Rect(x, y, 25, 50)
    
        pygame.draw.rect(dis, (16, 50, 255), (200, 400, 50, 50), 1)
        fix = pygame.Rect(200, 400, 50, 50)
    
        pygame.draw.rect(dis, (16, 50, 255), (300, 350, 50, 50), 1)
        fix2 = pygame.Rect(300, 350, 50, 50)
    
        fixed = [fix2, fix]
        collision = collisions(fall, fixed)
        if collision["bottom"]:
            gra = 0
            air_timer = 0
        else:
            gra = 10
            air_timer += 1
    
        key = pygame.key.get_pressed()
    
        if key[pygame.K_LEFT]:
            x -= 5
        if key[pygame.K_RIGHT]:
            x += 5
    
        if key[pygame.K_UP]:
            if air_timer < 6:
                gra = -30
            elif air_timer >= 6:
                gra = 10
    
        pygame.display.update()

导入pygame
dis=pygame.display.set_模式（（500500））
clock=pygame.time.clock（）
x=200
y=10
gra=10
空气计时器=0
跳跃=错误
def冲突（矩形、平铺）：
碰撞={
“顶部”：错误，
“底部”：错误，
“左”：假，
“对”：错误
}
对于瓷砖中的瓷砖：
#如果是瓦片，请点击顶部