save project

snake.py

@@ -16,14 +16,30 @@ body = pygame.image.load('body.png')
 
 x, y = 240, 120   
 position = [(180,90), (180,120), (210,120), (x,y)]
-
+apple_x =360
+apple_y =300
 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   #
+    if setheading =="right"
+        x +=30
+    elif setheading =="left"
+        x -=30
+    elif setheading =="up"
+        y -=30
+    else:
+        y +=30
+            
+
+
     position.append((x,y))
+    if x ==apple_x and y ==apple_y:
+        apple_x =random.randint(0,660)
+        apple_y =random.randint(0,480)
+        
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))