Pygame图像矩形与除左侧墙之外的所有内容发生碰撞

import pygame

# 初始化 Pygame
pygame.init()

# 设置屏幕大小
screen_width = 800
screen_height = 600
screen = pygame.display.set_mode((screen_width, screen_height))

# 定义颜色
white = (255, 255, 255)
red = (255, 0, 0)

# 定义矩形
rect_width = 50
rect_height = 50
rect_x = 100
rect_y = 100
rect = pygame.Rect(rect_x, rect_y, rect_width, rect_height)

# 定义左侧墙壁
wall_x = 0
wall_y = 0
wall_width = 10
wall_height = screen_height
wall = pygame.Rect(wall_x, wall_y, wall_width, wall_height)

# 游戏循环
running = True
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    # 获取鼠标位置
    mouse_x, mouse_y = pygame.mouse.get_pos()

    # 更新矩形位置
    rect.x = mouse_x - rect_width // 2
    rect.y = mouse_y - rect_height // 2

    # 碰撞检测
    if rect.colliderect(wall):
        rect.x = wall_x + wall_width  # 防止矩形进入墙壁

    # 绘制屏幕
    screen.fill(white)
    pygame.draw.rect(screen, red, rect)
    pygame.draw.rect(screen, (0, 0, 0), wall)

    # 更新屏幕
    pygame.display.flip()

# 退出 Pygame
pygame.quit()