auto save

snake.py

@@ -6,27 +6,53 @@ pygame.init()
 
 # 创建一个窗口
 x,y=240,120
-p=[(180,90),(180,1200),(210,120),(x,y)]
-screen = pygame.display.set_mode((660, 480))
-c=pygame.time.Clock()
-# 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+up=pygame.image.load("up.png")
+down=pygame.image.load("down.png")
+left=pygame.image.load("left.png")
 
+p=[(180,90),(180,120),(210,120),(x,y)]
+
+screen = pygame.display.set_mode((660, 480))
+c=pygame.time.Clock()
+setheading="right"
+head=right
+# 背景
 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()
-    x+=30
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading != "left":
+                setheading="right"
+                head=right
+            if event.key==locals.K_LEFT and setheading != "right":
+                setheading="left"
+                head=left
+            if event.key==locals.K_UP and setheading !=   "down":
+                setheading="up"
+                head=up
+            if event.key==locals.K_DOWN and setheading != "up":
+                setheading="down"
+                head=down
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30
     p.append((x,y))
     p.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, p[-1])
+    screen.blit(head, p[-1])
     for i in range(len(p)-1):
         screen.blit(body,p[i])
     # 将贪吃蛇的身体画上去
@@ -34,69 +60,4 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     c.tick(3)
-    pygame.display.update()
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+    pygame.display.update()
\ No newline at end of file