auto save

snake.py

@@ -53,6 +53,11 @@ while True:
     else:
         y += 30
     position.append((x, y))
+    if x ==apple_x and y ==apple_y:
+        apple_x = random.randint(0,650)
+        apple_y = random.randint(0,450)
+    position.pop(0)
+    else:
         position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -61,10 +66,7 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
-    if x ==apple_x and y ==apple_y:
-        apple_x =random.randint(0,660)
-        appple_y =random.randint(0,480)
-    # 将果实画上去
+    
     screen.blit(food, (apple_x, apple_y))
     # if x ==apple_x and y ==apple_y:
     #     apple_x =random.randint(0,660)