save project

snake.py

@@ -52,10 +52,15 @@ while True:
     else:
         y += 30
     position.append((x, y))
+    #贪吃蛇吃到了苹果
+    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))
-    # 将贪吃蛇的头画上去
+    #将背景图画上去
+    screen.blit(background,(0, 0))
+    #将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):