auto save

snake.py

@@ -10,20 +10,45 @@ screen=pygame.display.set_mode((660,480))
 # 背景
 # 背景
 background=pygame.image.load('bg.png')
 background=pygame.image.load('bg.png')
 right=pygame.image.load('right.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')
 food=pygame.image.load('apple.png')
 food=pygame.image.load('apple.png')
 body=pygame.image.load('body.png')
 body=pygame.image.load('body.png')
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
+setheading='right'
+snake_head=right
 x,y=240,120
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:   
         if event.type == locals.QUIT:   
             exit()
             exit()
-    x+=30
+        elif event.type == locals.KEYDOWN:  
+            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 event.key == locals.K_RIGHT and setheading!='left':
+                setheading='right'
+                snake_head=right
+    if setheading == 'right':
+        x+=30
+    elif setheading == 'left':
+        x-=30
+    elif setheading == 'up':
+        y-=30
+    else:
+        y+=30
     screen.blit(background,(0,0))
     screen.blit(background,(0,0))
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)
-    screen.blit(right,position[3])
+    screen.blit(snake_head,position[3])
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])
     screen.blit(food,(360,300))
     screen.blit(food,(360,300))