在pygame中移动矩形

import pygame
import sys

pygame.init()

window_size = (800, 600)
screen = pygame.display.set_mode(window_size)
pygame.display.set_caption("Moving Rectangle")

rect_width = 50
rect_height = 50
rect_x = 375
rect_y = 275

clock = pygame.time.Clock()

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()

    # 检测键盘按键状态
    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT]:
        rect_x -= 5
    if keys[pygame.K_RIGHT]:
        rect_x += 5
    if keys[pygame.K_UP]:
        rect_y -= 5
    if keys[pygame.K_DOWN]:
        rect_y += 5

    # 清空屏幕
    screen.fill((0, 0, 0))

    # 绘制矩形
    pygame.draw.rect(screen, (255, 0, 0), (rect_x, rect_y, rect_width, rect_height))

    # 更新屏幕
    pygame.display.flip()

    # 控制帧率
    clock.tick(60)