I was playing computer games when my mother came into my room.(改为同义句),该怎么改,

问题描述:

I was playing computer games when my mother came into my room.(改为同义句),该怎么改,

不知道改这个句子有什么特殊要求没有,比如强调句还是什么的,所以只颠倒了下
My mother came into my room when I was playing computer games.