My crush suddenly stopped talking to me?

itismeasimplebagel
Hey!
So I've been crushing on this guy since last year when he approached me on Facebook. After that, we talked every single day (only online though) for several months. We wouldn't really talk at school (he's in my class) apart from saying Hi and smiling when we made eye contact. We argued once, stopped talking 2 months, then he apologized and we started talking very often again.

Just before summer break, he said some douche-y stuff to me and we didn't talk that much afterwards. The few times we did, it was not really awkward.
I've tried contacting him twice over summer break and he didn't answer me, nor try to contact me.

When we got back to school (last Wednesday), he waved at me from afar and had a huge smile, and I ignored him. Now I'm not sure if he's ignoring me because he doesn't try to greet me, or even really look at me like he used to, but he did smile at me one or two times. I'm still doing my best to ignore him though.

Side Notes : He's a player. He knows I had a crush on him. We were really close friends and got along really well.

What do I do? Help!
My crush suddenly stopped talking to me?
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