So there is this girl that liked me for a year now, and just recently she just started to ignore me . Does she still like me or am i overthinking it?

So there's this girl that i have been friends with for 5+ years now, and only really because we have been in a friend group made of 2 classes that was first created in elementary school. Now in September i learned that she had a crush on me, and word spread like wildfire. At the time she started acting all close to me and interested. People started to ask me if i was interested in her, but i denied it. Now about a month ago i started to get interested in her and liked her back ,but when people asked me again and again if i liked her i still denied it. Now recently she started to ignore me and not answer me when i talk to her. I dont know if she still likes me or not. I know its not the fact that i did something to her or her friends because nothing eventful has happened over the past half-year. I still want her to like me though because i like her too, and i dont want it to be a one-way thing. What should i do?