save project

snake.py

@@ -19,7 +19,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-apple
+apple_y=360
+apple_x=300
 
 setheading = "right"
 snake_head = right
@@ -52,7 +53,9 @@ while True:
         y -= 30
     else:
         y += 30
+    
     position.append((x, y))
+    if x == apple_x and y==apple_y
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))