save project

snake.py

@@ -14,13 +14,32 @@ 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
 poia=[(180,90),(180,120),(210,120),(x,y)]
+
+setheaing="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()
+        if event.type == locals.KEYDOWN:
+            if event.type == locals.K_RIGHT and setheaing !="left":
+                setheaing="right"
+                snake_head=right
+            if event.type == locals.K_LEFT and setheaing !="right":
+                setheaing="right"
+                snake_head=right
+            if event.type == locals.K_RIGHT and setheaing !="left":
+                setheaing="right"
+                snake_head=right
+
+
     # 将背景图画上去
 
     x+=30
@@ -32,9 +51,7 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(poia)-1):
         screen.blit(body,poia[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