save project

snake.py

@@ -18,6 +18,7 @@ down=pygame.image.load("down.png")
 x,y=240,120
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
 setheading='right'
 setheading='right'
+snake_head=right
 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:
@@ -26,12 +27,16 @@ while True:
         if event.type==locals.KEYDOWN:
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_RIGHT and setheading != "left":
             if event.key==locals.K_RIGHT and setheading != "left":
                 setheading='right'
                 setheading='right'
+                snake_head=right
             if event.key==locals.K_LEFT and setheading !="right":
             if event.key==locals.K_LEFT and setheading !="right":
                 setheading='left'
                 setheading='left'
+                snake_head=left
             if event.key==locals.K_UP and setheading !="down":
             if event.key==locals.K_UP and setheading !="down":
                 setheading='up'
                 setheading='up'
+                snake_head=up
             if event.key==locals.K_DOWN and setheading !="up":
             if event.key==locals.K_DOWN and setheading !="up":
                 setheading='down'
                 setheading='down'
+                snake_head=down
     if setheading=="right":                
     if setheading=="right":                
         x += 30
         x += 30
     elif setheading=="left":
     elif setheading=="left":
@@ -46,7 +51,7 @@ while True:
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right, (x,y))
+    screen.blit(snake_head, (x,y))
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])