auto save

my_game.py

 import pygame
 from pygame import locals
-
+import random
 
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -12,16 +12,20 @@ background = pygame.image.load('bg.png')    # 背景
 road = pygame.image.load('road.png')      # 路
 stone = pygame.image.load('stone.png')      # 石头
 cacti = pygame.image.load('cacti.png')      # 仙人掌
-apple = pygame.image.load('bush.png')      # 灌木丛
+bush = pygame.image.load('bush.png')      # 灌木丛
 hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero2.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
-index = 0 
-jumpState = "runing"
+index = 0   
 y = 400
+jumpState = "runing"
 t = 30
+obstacle = random.choice([bush, stone, cacti])
+rect = obstacle.get_rect()
+rect.x = 1000
+rect.y = 500 - rect.height
 
 while True:
     for event in pygame.event.get():
@@ -32,30 +36,40 @@ while True:
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"
-    if jumpState == "up":    # 起跳
+
+    if jumpState == "up":    # 起跳状态
         if t > 0:
             y -= t
             t -= 2
         else:
             jumpState = "down"  
-    if jumpState == "down":    # 降落
+    if jumpState == "down":    # 降落状态
         if t <= 30:
             y += t
             t += 2
         else:
             jumpState = "runing"
-            t = 30
-
-    wukong = hero[index]  
-    if jumpState == "runing":
+            t =30
+    
+    # 悟空造型
+    wukong = hero[index]
+    if jumpState == "runing":       # 跑步状态下
         index += 1
-        if index == 5:
+        if index >= 5:
             index = 0
-
     # 将背景图画上去
-    screen.blit(background, (0, 0))
-    screen.blit(road, (0, 500))
-    screen.blit(wukong, (150, y))
+    screen.blit(background, (0, 0))     # 远处背景
+    screen.blit(road, (0, 500))     # 路
+    screen.blit(wukong, (150, y))     # 悟空
+
+    if rect.x <= 0-rect.width:      # 障碍物消失
+        # 创建障碍物对象
+        obstacle = random.choice([bush,stone,cacti])
+        rect = obstacle.get_rect()
+        rect.x = 1000
+        rect.y = 500 - rect.height
+    rect.x -= 8
+    screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()
-    FPS.tick(30)
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+    FPS.tick(30)。
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