auto save

snake.py

@@ -6,6 +6,7 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
+FPSCLOCK=pygame.time.Clock
 
 # 背景
 background = pygame.image.load('bg.png')
@@ -13,11 +14,32 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
+setheading="right"
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        if event.type == locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading !="left":
+                setheading='right'  
+                snake_head =right               
+            if event.key==locals.K_LEFT and setheading !="right": 
+                setheading='left'
+                snake_head =left    
+            if event.key==locals.K_UP and setheading !="down":      
+                setheading='up'
+                snake_head =up  
+            if event.key==locals.K_DOWN and setheading !="up":      
+                setheading='down'
+                snake_head =down 
+    if setheading == "right":
+        x += 30
+    elif setheading == "left":    
+    
+    elif setheading == "left":
+
+            exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -29,4 +51,5 @@ while True:
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.
\ No newline at end of file