How do I get all the collision nodes that the camera can view within a specific range?

:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By PlanetKiller
:warning: Old Version Published before Godot 3 was released.

I want to get a list of collision nodes that are within the camera’s view, but within a limited range. Using an area is fine, but I’m wondering if there is a way to do it without extra node setups.