auto save

a.py

 import pygame,sys
 pygame.init()
+#vInfo = pygame.display.Info()
 size = width,height = 600,400
+flower = pygame.image.load(r"C:\Users\Administrator\Documents\level3-lesson24-diy3\PYG03-flower.png")
+pygame.display.set_icon(flower)
 speed = [1,1]
 BLACK = 0,0,0
-screen = pygame.display.set_mode(size,pygame.NOFRAME)
+screen = pygame.display.set_mode(size,pygame.RESIZABLE)
 pygame.display.set_caption("Pygame游戏之旅")
 ball = pygame.image.load(r"C:\Users\Administrator\Documents\level3-lesson24-diy3\ball.gif")
 ballrect = ball.get_rect()
@@ -11,9 +14,7 @@ fps = 300
 fclock = pygame.time.Clock()
 while True:
     for event in pygame.event.get():
-        if event.type == pygame.QUIT:
-            exit()
-        elif event.type == pygame.KEYDOWN:
+        if event.type == pygame.KEYDOWN:
             if event.key == pygame.K_a:
                 speed[0] = speed[0] if speed[0] == 0 else(abs(speed[0]))-1
             elif event.key == pygame.K_d:
@@ -22,6 +23,13 @@ while True:
                 speed[1] = speed[1] if speed[1] > 0 else speed[1] +1
             elif event.key == pygame.K_s:
                 speed[1] = speed[1] if speed[1] == 0 else(abs(speed[1]))+1
+            elif event.key == pygame.K_ESCAPE:
+                exit()
+        elif event.type == pygame.VIDEORESIZE:
+            size = width,height = event.size[0],event.size[1]
+            screen = pygame.display.set_mode(size,pygame.RESIZABLE)
+    if pygame.display.get_active():
+        ballrect = ballrect.move(speed)
     ballrect = ballrect.move(speed[0],speed[1])
     if ballrect.left < 0 or ballrect.right > width:
         speed[0] =- speed[0]