save project

snake.py

@@ -13,42 +13,16 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-left = pygame.image.load('left.png')
-up = pygame.image.load('up.png')
-down = pygame.image.load('down.png')
-
 
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
-setheading = "right"
-snake_head = 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()
-        elif 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":
-        x-=30
-    elif setheading=="up":
-        y-=30
-    else:
-        y+=30
+    x = x+30
     position.append((x,y))
     position.pop(0)
     # 将背景图画上去