The use case that I am doing is to show POI's within the current position based on current bearing. For example if I am heading North I will not show POI's from South but only show POI's according to the bearing within the threshold.

[![Representation](https://i.stack.imgur.com/I7ANx.png)](https://i.stack.imgur.com/I7ANx.png)

[![Degrees](https://i.stack.imgur.com/A3A25.png)](https://i.stack.imgur.com/A3A25.png)