A short door riddle

You tap My shoulder, I turn around You see Me, You try to speak but can't, You try to run but you can't, You try anything,...but You can't, you eventually give up, whilst I stand staring at You, I speak You know, This place your in..is just a game, a game I made up. Have You ever wondered why when you enter a room it begins with some lines of code? its Me, creating those rooms to suit Your need for exploration, and here You are. Now I must ask You a question do you have a torch?