How can i say sorry to my friend? she wont listen??!?

i got mad at my friend because she was drinking the other night. i didnt mean to get so mad but i care about her so i flipped out. now, she wont talk to me at all. schools out so i have no contact with her. she wont answer any of my texts or IMs. ive been having my friend tell her stuff like im sorry and stuff but she wont listen to me. i dont think shes even reading my texts so if i say something she wont see it. she told my friend she wants nothing to do with me because i didnt need to say what i said. i kind of did. i dont want her going down the wrong path like some other people i know. i want to know how i can catch her attention to tell her sorry and stuff. i really feel like a for saying what i said to her about it. we were best friends and i still consider her a friend but that one thing i said made her that mad. I think its partly because shes mad and partly because her boyfriend who is my "mortal enemy" doesnt want her talkin to me. about a month ago he punched me at school for no reason and i walked away laughing my *** off cause he punched like a girl, yet hes 17 years old, 3 years older than me.... just because hs jealous because i talk to her all the time. i love her and she loves me. shes told me many times that she does. me and her have been friends for about a year and a half and the only people we have been able to talk to about our problems are eachother. ive listened and given her advice and vise versa. i think about her literally 24/7 worrying about her and **** and she knows that, and i also need to convince her i care about her more than her dumb boyfriend does. i know hes just in it for the S word cause they have already done it. that hurt me a lot. ive been trying to be a good friend and talking her out of doing it again. i just want to know what to do about her cause i am really hurt over this. i love her more than anyone ever, she means the world to me and she knows i would do anything and i mean ANYTHING for her. what can i possibly do in the situation that the only way i can contact her is texting (when idk if shes even reading or looking at them) or through my friend.