save project

snake.py

@@ -13,16 +13,36 @@ 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()
-    x+=30
-    position.append((x,y))
+        elif event.type == locals.KEYDOWN:
+            if event.type == locals.K_RIGHT and if event.type == locals.K_RIGHT and setheading !="up"
+                setheading='down'
+                setheading='right'
+                snake_head=right
+            if event.type == locals.K_RIGHT and setheading !="right":
+                setheading='left'
+                snake_head=left
+            if event.type == locals.K_RIGHT and setheading !="up":
+                setheading='down'
+                snake_head=down
+            if event.type == locals.K_RIGHT and setheading !="down":
+                setheading='up'
+    if setheading =='right'
+    elif setheading==
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -34,9 +54,6 @@ while True:
     screen.blit(right,position[-1])
     for i in range(len(position)-1):
         screen.blit(body,position[i])
-    #screen.blit(body, (210, 120))
-    #screen.blit(body, (180, 120))
-    #screen.blit(body, (180, 90))
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面