Search Results: talking to an old flame

So there's this girl I like, let's call her Anna. Anyways Anna and I use to date a while ago and I started crushing on her again 3 weeks ago. At a party we were sitting on the same tree swing alone in the woods. We were getting pretty close, and touching hands and sorta cuddling. I could've been imagining it of course. This just made me like her more. We texted more and more and then I did something sorta interesting. When we were dating (way back then) I sent her an ab pic (I swim) and she melted blah blah blah. So I decided to exchange new ab pics if she sent me the old one so I could "compare". Of course this was just to start something I don't know. We continued texting and taking at school. Then one of these times we were talking alone at school she told me how when she broke up with me over text (when we were dating) wasn't her but one of her two-faced friend. I could see this friend doing it. When "she" broke up with me I weant along with it being mutual, and she thought I didn't like her anymore. But she did. And we both were heart broken and liked each other. We moved on, (well maybe not me). Next day we start snap chatting and she starts sending what I THINK are flirtatious snaps. (Sorta showing off boob etc.) But I'm not sure if this is because she does this with everyone, she is just comfortable with me, or if she's being flirty. These all seem like positive signs but then sometimes she doesn't respond to texts or something or does things that seem to me she may not be into me? But that could be because I a really into her so things are amplified. Anyways. I'm really not sure what to do, how should I continue this flame? Or ignite it for her?