Tmi confused

But when I woke up from my nap I felt really crappy so I sat up and I starting puking out of no where and when I did my legs and socks were soaked and keept getting more wet so I think I peed my pants happens quit frequently being 34 weeks pregnant but I went to change and it doesn't smell like pee it has no smell and I had on dark undwear so I couldn't tell the color of it but could how can I tell if it's pee or my water broke