save project

snake.py

@@ -8,18 +8,36 @@ FC=pygame.time.Clock()
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 x,y=240,120
 x,y=240,120
 # 背景
 # 背景
+setheading='right'
+snake_head=right
 L=[(180,90),(180,120),(180,90),(x,y)]
 L=[(180,90),(180,120),(180,90),(x,y)]
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.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')
-
+right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
 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:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-    x+=30
+        if 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
+            x+=30
     L.append((x,y))
     L.append((x,y))
     L.pop(0)
     L.pop(0)
     # 将背景图画上去
     # 将背景图画上去