extends Node2D

const Circle = preload("res://Circle.gd")

onready var circle: Circle = Circle.new()
export var color: Color = Color.red

var selected_idx = 0

func _ready():
	update_circle()
	for child in get_children():
		if child is CanvasItem:
			child.connect("moved", self, "update_circle")

func update_circle():
	var ps = []
	for child in get_children():
		ps.append(child.position)
	circle.circumscribe(ps)
	update()

func _draw():
	draw_arc(circle.position, circle.radius, 0, TAU, 200, color, 2.0, true)