Quote:
is she playing with me ? she says "nope i take that back. I hate u! you never talk to me! hate u!" .....

did i mess up ?
This is obviously playful from the language -
obviously I mean I have no idea how anybody couldn't see this as playful. If you actually hated somebody, would you say something like this? No. Obviously.
She's being playful while inserting "you never talk to me!" - this is a psychological defense mechanism. She is saying the 'i hate you!' playfully while inserting a (serious) notion "you never talk to me!"/"I want you to talk to me more!", so that any notion of her seeming needy/desperate is overwritten by the "I was clearly joking/being playful!" vibe to it.
She is interested in you bro. I'd say she likes you. Just stop dicking around.
Good responses to "you never talk to me! hate u!" would be something like "I'd talk to you more if you started a conversation" - deflect any 'why won't u start conversations?' with "Busy"/"Not my thing"-type answers.
I'm assuming this whole ordeal came directly after a period where you two didn't talk to each other, yes? As short as 1 day, as long as 1 week. She expected you to initiate a conversation, but you didn't, so she feels slighted - she thinks she likes you more than you like her, and that's why you didn't initiate the conversation in that timeframe. Just reassure her that you think she's cool but are busy with your life (being busy/having shit to do is DHV), and if she wants to talk or hang out then she needs to step it up and say something.
Ordinarily you want to make the first move, but she clearly already likes you so you can sit back and milk it by telling her to state intent. Telling her to stop being a pussy/start conversations/state intent/however you want to put it is a qualifier, she will feel like she's boring you or losing your interest and logic that as the reason why you don't start the conversations, so she will try harder to qualify.
You have this in the bag. Just stop dicking around and maybe bring your confidence up a bit from seeing the first sign of possible dislike as "DID I FUK UP?" Remember, you don't NEED her, so stop worrying so much.