How to make such lighting in a 2D game?

Question

Unity

I want to make a lighting mechanic in the game, which means that the player will only see the part of the scene that is lit by the camera. The rest will be completely indistinguishable from the black background. An example in the illustration below:



How to implement this?

Answer 1

I see a million options, but I can’t understand what exactly interests you

Answer 2

1. Vignette through Post processing, but it is resource-intensive, but customizable
2. Just put a picture of a black circle with a cutout in the center into the canvas