save project

snake.py

@@ -57,9 +57,11 @@ while True:
     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)
-        
+        num_1 = random.randint(1,22)
+        num_2 = random.randint(1,16)
+        apple_x = 30*num_1-30
+        apple_y = 30*num_2-30
+    else:
         position.pop(0)   
     # 将背景图画上去
     screen.blit(background, (0, 0))