auto save

snake.py

@@ -6,28 +6,63 @@ pygame.init()
 
 beijing = pygame.image.load("bg.png")
 right = pygame.image.load("right.png")
+left = pygame.image.load("left.png")
+up = pygame.image.load("up.png")
+down = pygame.image.load("down.png")
 foot = pygame.image.load("apple.png")
 body = pygame.image.load("body.png")
 
 screen=pygame.display.set_mode((660,480))
 FPSCLCOLCK=pygame.time.Clock()
+
 x,y=240,120
-po=[(180,90),]
+po=[(180,90),(180,120),(210,120),(x,y)]
+
+sg = "right"
+snake_hand = right
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-    x+=30
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and sg != "left":
+                sg="right"
+                snake_hand = right
+            if event.key == locals.K_LEFT and sg != "right":
+                sg="left"
+                snake_hand = left
+            if event.key == locals.K_DOWN and sg != "up":
+                sg="down"
+                snake_hand = down
+            if event.key == locals.K_UP and sg != "down":
+                sg="up"
+                snake_hand = up
+    if sg =="right":
+        x+= 30
+    elif sg == "left":
+        x-=30
+    elif sg == "up":
+        y-=30
+    else:
+        y+=30
+        
+
+        
+
     
+    po.append((x,y))
+    po.pop(0)
     screen.blit(beijing,(0,0))
-    screen.blit(right,(x,y))
-    screen.blit(body,(210,120))
-    screen.blit(body,(180,120))
-    screen.blit(foot,(630,0))
+    
+
+    screen.blit(snake_hand,po[-1])
+    for i in range(len(po)-1):
+        screen.blit(body,po[i])
+
 
     
 
     
 
     pygame.display.update()
-    FPSCLCOLCK.tick(0.3)
\ No newline at end of file
+    FPSCLCOLCK.tick(3)
\ No newline at end of file