extends Node3D

@export var camera: Camera3D
@export var initial_target: Node3D
var target: Targetable = null
@export var sensitivity := 0.01

func _ready():
	set_target(initial_target)

func _input(event):
	if event is InputEventMouseMotion:
		rotate_view(event.relative*sensitivity)

func _process(_delta):
	transform.origin = target.global_position
	camera.global_position = %camera_spot.global_position
	camera.look_at(target.global_position)

func rotate_view(amount: Vector2):
	rotate_y(-amount.x)
	%rotate_helper.rotate_z(amount.y)
	%rotate_helper.rotation_degrees.z = clampf(%rotate_helper.rotation_degrees.z, -77, 77)

func set_target(node: Node3D):
	var ntarget = Targetable.is_targetable(node)
	if ntarget == null:
		push_error("Node is node targetable", node)
		return
	if target != null:
		target.unmake_target()
	ntarget.make_target()
	target = ntarget