She might stop any contact with you.
This is so crazy Lol I've NEVER been through any of that.
Your girlfriend, who would first get excited to see you or even your text for that matter, is now finding reasons to ignore you as if you are some stranger stalking her.
However, it is a mistake to believe that this indicates her interest in you.
So, what does it mean when a girl ignores you? If ANYONE isn't participating in conversation with you, don't go seeking their attention.
She may feel that was rude and turned off of you.