extends Area3D


var children = 0

# Called when the node enters the scene tree for the first time.
func _ready():
	body_entered.connect(_on_area_entered)
	body_exited.connect(_on_area_exit)

func _on_area_entered(_body : Node3D) -> void:
	children += 1

func _on_area_exit(_body : Node3D) -> void:
	children -= 1