I am sorry that you're stuck living with your parents, while you hold onto these deep, dark feelings inside. That is hard! (((hugs))) to you
I hope that you find some healthy ways to work through your difficult emotions, especially since you're feeling stuck there for now. After my ex-hub and I split up, I had to move in with my parents for about 6 months. Boy, that was tough! My feelings towards my parents are similar, deep resentment inside of me.
Anyway, I stuck to my given bedroom as much as I could. I also went on long, fast walks for exercise (a few miles once or more per day) and letting go of my emotions. It helped. I cleaned while they slept or went to work ~ I had to get rid of my negative energy somehow! I had no money and no car, which didn't leave me with a lot of options. I also went to the local library to hang out, borrow books, and use their computers. Lastly, I sought out professional T help, to help me work through all of my emotions.
Very best wishes to you!