extends Area3D

var current_target: Node3D

signal new_target(value: Node3D)


func _physics_process(delta: float) -> void:
	var candidate : Node3D
	for body in get_overlapping_bodies():
		if !is_instance_valid(candidate):
			candidate = body
		else:
			if global_position.distance_to(candidate.global_position) > global_position.distance_to(body.global_position):
				candidate = body
	if is_instance_valid(candidate):
		if candidate == current_target:
			return
		else:
			current_target = candidate
			new_target.emit(current_target)
			HudSignalBus.new_weapon_target.emit(current_target)
	else:
		if is_instance_valid(current_target):
			current_target = null
			new_target.emit(current_target)
			HudSignalBus.new_weapon_target.emit(current_target)