Help me im stressed!!!?

well im been in high school 2 years now im 16 year old guy im always quiet never talk to me in school and i just found out now that all the people in my school tink im gay and im not after 2 years i dint know people tink i was gay soo what i do now i tried asking a girl out she laugh out loud and evryting im jocking when i hit on a girl what i do now??? i hate gay people!!