auto save

snake.py

@@ -10,12 +10,15 @@ FPSCLOCK=pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
-setheading = 'right'
-
+setheading = "right"
+head = right
 
 while True:
     for event in pygame.event.get():
@@ -23,11 +26,29 @@ while True:
             # 接收到退出事件后退出程序
             exit()
         if event.type == locals.KEYDOWN:
-            if event.type == locals.K_UP and  setheading != 'down':
-                setheading = 'up'
+            if event.key == locals.K_UP and  setheading != "down":
+                setheading = "up"
+                head = up
+
+            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_DOWN and setheading != "up":
+                setheading = "down"
+                head = down
+
 
-    if setheading == 'up':
+    if setheading == "up":
         y -= 30
+    if setheading == "right":
+        x += 30
+    if setheading == "left":
+        x -= 30
+    if setheading == "down":
+        y += 30
 
     position.append((x,y))
     position.pop(0)