Looks like a good start! As someone working on a world generation project at the moment I'd love to learn more about how you went about doing yours?
Also personal taste thing here, try a closer in camera.
I always like my roguelikes to be close up so I'm more on edge about whats coming up.
I did mine without arrays , just with a room object what has 4 image points( Up, Down, Left Right). Every room on created creates another room on random image points, it does that until there is 30 rooms verticaly