Was I Raped?

i'm 16 and i was at this party and i was pretty drunk. Well the next day i woke up at this guys house with my friend (girl) it was us two and 4 guys. turns out this guy i liked (18) had apparently slept with me because i was wearing his shorts and my underwear was in his truck. does it count as rape since i had already had feelings for him and wanted to have sex with him. The only difference is that he is saying we had sex and i don't remember it at all so how do i know if i said yes or no   I mean i don't remember much from that night so how do i know if he wasn't just saying that?