Pygame鼠标按住

import pygame
import sys

pygame.init()

# 设置窗口大小和标题
screen = pygame.display.set_mode((800, 600))
pygame.display.set_caption("Mouse Hold Event")

# 定义颜色
BLACK = (0, 0, 0)
RED = (255, 0, 0)

# 定义矩形初始位置和大小
rect_x = 200
rect_y = 200
rect_width = 100
rect_height = 100

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == pygame.MOUSEBUTTONDOWN:
            if event.button == 1:  # 鼠标左键按下
                if rect_x <= event.pos[0] <= rect_x + rect_width and rect_y <= event.pos[1] <= rect_y + rect_height:
                    # 鼠标按下位置在矩形内部
                    while True:
                        for event in pygame.event.get():
                            if event.type == pygame.QUIT:
                                pygame.quit()
                                sys.exit()
                            elif event.type == pygame.MOUSEBUTTONUP:
                                if event.button == 1:  # 鼠标左键释放
                                    break
                        # 鼠标移动事件
                        if pygame.mouse.get_pressed()[0]:  # 鼠标左键仍然按住
                            rect_x, rect_y = pygame.mouse.get_pos()
                        screen.fill(BLACK)
                        pygame.draw.rect(screen, RED, (rect_x, rect_y, rect_width, rect_height))
                        pygame.display.flip()
    screen.fill(BLACK)
    pygame.draw.rect(screen, RED, (rect_x, rect_y, rect_width, rect_height))
    pygame.display.flip()