I'm still upset my brother outed me without saying anything to me.

I came out at the end of October 2014 at 24 and my experience coming out didn't come as a surprise to my close friends and to immediate family.I first came out to close friends and the same day my brother private messaged on Facebook to tell me I was going to become an uncle. I pretty was shocked but I was happy for him and his girlfriend and I was a excited uncle to be.The hardest part that day was whether I'd tell him I was gay as I had already told my friends. I finally caved in that day with such big news I wanted to know where I stood, whether he'd be accepting of it rather months down the line.During this time be and my mum had fallen out and wasn't on speaking terms so this was a huge deal for me to tell my mum who I had felt either things would be better for us or worse and I just wanted my mum to be proud of me.After a day I had received a message from my mum but she was on Holiday abroad. She had told me my brother had told her the news about me coming out as gay and I felt that he'd stole my courage away because it was something I had planned for a very long time in my head and that I wasn't able to not only make amends with my mum but tell her personally how I felt.Lately my brothers been avoiding me, I feel it's as if he seems ashamed of me and he's been avoiding others close to me. I'm also still very angry but I have tried to bury it and move on and accept it could of been a lot worse.Do you think I should confront him?