I have noticed how the hitboxes on any item/player/npc will become larger in proportion to the player(the line becomes thicker), and while it won't be necessary, it would be nice to add the option to prevent the size of the hitbox from changing depending on where the player is.
This is a bad explanation, so here is a better one. There should be an option to have the width of the line/hitbox remain in proportion to the object/player/npc. So if a player is really far away, the line will look smaller, instead of appearing the same size.