auto save

snake.py

@@ -16,7 +16,7 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
 
 
 x, y = 240, 120  # 初始化贪吃蛇的头的坐标 
 x, y = 240, 120  # 初始化贪吃蛇的头的坐标 
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
+position = [(180, 90), (180, 120), (210, 120), (x, y)]   #列表，身体及头的坐标
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
@@ -24,15 +24,16 @@ while True:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
     x += 30
     x += 30
-    position.append((x, y))
-    position.pop(0)
+    position.append((x, y))  #将贪吃蛇头的新坐标添加进列表
+    position.pop(0)          #
+    
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇头画上去
     # 将贪吃蛇头画上去
-    screen.blit(right, position[-1])
+    screen.blit(right, position[-1])      #渲染贪吃蛇头，取出列表身体的坐标，进行渲染
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(body, position[ii])
+    for i in range(len(position)-1):      #
+        screen.blit(body, position[i])    #
 
 
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))