extends Control


@export var world_offset := Vector3.ZERO

var _pos_offset: Vector2
var _attachment: Node3D


func _ready() -> void:
	_pos_offset = position
	_attachment = get_parent()


func _process(_delta: float) -> void:
	if _attachment == null:
		return

	var viewport := get_viewport()
	if viewport == null:
		return

	var camera := viewport.get_camera_3d()
	if camera == null:
		return

	var world_pos := world_offset + _attachment.global_transform.origin
	var screen_pos := camera.unproject_position(world_pos)

	position = _pos_offset + screen_pos - 0.5 * size