pygame.MOUSEBUTTONDOWN pygame.VIDEORESIZE错误？

Question

几天前我发布了一个类似的问题，但我已经改进了这个问题:当我在同一个事件循环中同时有MOUSEBUTTONDOWN和VIDEORESIZE时，它就不起作用了……当我按下鼠标时，它也会打印语句，该语句应该只在MOUSEBUTTONUP事件发生时打印。你自己试试吧，这个问题要了我的命..

import pygame
from pygame.locals import *
from sys import exit

LEFT = 1
size = 520,630
running = 1
screen = pygame.display.set_mode(size, RESIZABLE, 32)
#screen = pygame.display.set_mode((size))
while running:
  for event in pygame.event.get():
    if event.type == pygame.QUIT:
      running = 0
    if event.type == pygame.VIDEORESIZE:
      size = event.size
      pygame.display.set_caption("Window resized to "+str(event.size)) 
    if event.type == pygame.MOUSEBUTTONDOWN and event.button == LEFT:
       print "You pressed the left mouse button at (%d, %d)" % event.pos
    if event.type == pygame.MOUSEBUTTONUP and event.button == LEFT:
       print "You released the left mouse button at (%d, %d)" % event.pos

    screen = pygame.display.set_mode(size, RESIZABLE, 32)
    screen.fill((0, 0, 0))
    pygame.display.flip()

Answer 1

不要在每次事件中都更新屏幕，这会大大减慢你的程序。在我的电脑上它太慢了，我无法理解鼠标事件。只需移动几行代码就可以解决这个问题，它运行得很好。

import pygame
from pygame.locals import *
from sys import exit

LEFT = 1
size = 520,630
running = 1
screen = pygame.display.set_mode(size, RESIZABLE, 32)
while running:
  for event in pygame.event.get():
    if event.type == pygame.QUIT:
      running = 0
    if event.type == pygame.VIDEORESIZE:
      size = event.size
      pygame.display.set_caption("Window resized to "+str(event.size)) 
      screen.fill((0, 0, 0))
      pygame.display.flip()
    if event.type == pygame.MOUSEBUTTONDOWN and event.button == LEFT:
       print "You pressed the left mouse button at (%d, %d)" % event.pos
    if event.type == pygame.MOUSEBUTTONUP and event.button == LEFT:
       print "You released the left mouse button at (%d, %d)" % event.pos