Nervous/Concerns about Winter Camp?

So I'm a sopre in high school and a friend of mine (who goes to summer camp every summer) has invited me to go with her to her camp for what they call "winter" camp. Its 10 days, starts the day after christmas, and its basically summer camp in winter. You get to ski, do all kinds of fun winter stuff, and its like a shorter, cheaper, but fun version of summer camp. I REALLY want to do it. It sounds like a lot of fun, I'd get a lot of cool experiences, and I really think it would be good for confidence/character building. And my mom is totally on board (and willing to pay for it). But today while talking to my friend about how rustic the camp is (which is mostly a good thing) I found out that the shower rooms are like wide open with no privacy (like at school, but we never actually have to shower there). I know it probably sounds really immature, but this is scaring the crud out of me, and making me considering not going. I know it "shouldn't" be a big deal, and it used to be everyone had to do that kind of thing, but I'm just really, really scared about it, and not sure I could do it. Does anyone have any perspective or advice??