My bf's dad saw me naked 🙈

My boyfriend lives at home with his family. When his family wasn't home, we decided to have sex. He put his clothes back on when we were done and I didn't because I figured no one was home and that the door was locked. We didn't notice that his dad got home and I'm guessing he didn't know I was there. He walked in without knocking while we were both laying there in bed talking and my boyfriend quickly jumped over me to cover me and his dad said "oh shit" and closed the door. I was so mortified because even though it was an accident, he still knew I was naked and saw me! I don't know what to do because I don't want to see his dad ever again because I feel like it would be extremely akward and I just can't help but imagine it all over again if I see him. To make things worse, the next day my boyfriend and his family went to a family party. He told me how his sister and cousin who heard everything were announcing how he got "caught last night by dad", his mom didn't know and looked angry when she heard about it. Can you imagine how mad she would be to know that her husband just saw another girl naked who just happens to be her sons girlfriend. I find this extremely embarissing and I told my boyfriend I don't want to see his family anytime soon or at all if possible, but it isn't...what would you do?? Ladies please help! I don't know how to get over this myself because a man who I didn't not want to see my body just did.