Communication Breakdown

Been seeing a friend of a friend for a month or 2 recentely, things were going well to the extent that i was going to ask her out(absolute financial idiocy so close to Christmas) a couple of weeks back, but she didn't come out as she was going away early the next morning, so well, i didn't ask. Then over the course of the next week i start to get an inkling that there's something different, her texts just seem to have taken on a different format and tone, notably a lack of the usual constant statements that she is missing me.
Anyway, Thursday comes and i arrange, last minute of course, for everyone to go out for some merry pre-christmas drinks. Text her, instant reply that she is feeling under the weather and wont make it. Already having my doubts about where everything is going i reply asking if everything is alright, and clearly suggest i mean between us, but the reply to that comes as pretty much a repeat of the previous one syaingt hat hse is good but just under the weather. So i go out and have a relatively good time, limited more by the fact the club was shut off for the most part due to an unders function for a school (crazy) i stayed with a good friend of hers that night and explained my concerns but he said not to worry and that things will be fine. So the next day comes, Friday, as in a few days ago, and the usual group of Friday drunks are heading out to their usual haunt, this being where i first met said girl. So around 5 i text her informing her of the plans and asking if she'l be in attendance, no reply...later around 8 when i arrive it becomes apparent the friday drunks ar elimite din number this week, namely there's myself, the young man who is also friends with the young girl and another male of the usual group who has brought along 2 girls, one of whom he is romantically involved with. So the night goes on and the reply doesn't come and the drinks are poured and the girl across the table begins to look more attractive by the drink. So i end up kissing her, which isn;t the most sensible thing to do in front of the girl that you're into's good friend, but at this stage i was convinced everything had gone to pot between us, still, i talked to the friend, saying i felt bad but that 'she' was being a 'c*nt' probably not the best word choice, but he agreed with me then left, and now it is Sunday night at 19:27 a mere 50 hours and 27 minutes since my last text to her and no reply. I have 2 problems with this situation, one being that over the past 2 months or so i've grown increasingly more attracted to her to the extent that the prospect of there no longer being anything really pains me, and secondly it really dissapoints me that if there is nothing there she feels that the best way to deal with it is to just cut off communication without a word. The small irony of the situation is that had you looked at us a month back, she was clearly the more interested party and it's now almost as if roles have reversed. The only explanations i can come up for for things being how they are are that either she has met some other guy or she is annoyed that i didn't ask her out earlier when to be honest it seemed right and i should have. Failing those two, she's been abducted by Aliens and they've left her phone behind. I'm wary of contacting her again first as if things are over then i don't want to be that guy that wont leave it alone. guess i have to go smile that it's christmas in a few hours...