save project

snake.py

@@ -8,17 +8,42 @@ baskgound=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')
+
+
 # 创建一个窗口
 
 x=210
 y=120
+seteading='right'
+snake_head=right
+
+
+
+
 screen=pygame.display.set_mode((660,480))
 position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-    x=x+30          
+        elif event.type==locals.KEYDOWN:
+            if event.key==locals.K_LEFT and seteading !="right":
+                seteading='left'
+                snake_head=left
+            if event.key == locals.K_DOWN and seteading != "up" :
+                seteading='down'
+                snake_head=down
+            if event.key==locals.K_UP and seteading !="down":
+                seteading='up'
+                snake_head=up
+            if event.key==locals.K_right and seteading !="left":
+                seteading='up'
+                snake_head=up
+    x=x+30 
+             
     position.append((x,y))
     position.pop(0)
 
@@ -28,7 +53,7 @@ while True:
     #screen.blit(food,(360,300))
     for i in range(len(position)-1):
         screen.blit(body,position[i])
-
+