extends Node2D

var color := Color("9be7ff")
var radius := 50.0
var _time := 0.0

func _ready() -> void:
	z_index = 28

func _process(delta: float) -> void:
	_time += delta
	queue_redraw()
	if _time >= 0.7:
		queue_free()

func _draw() -> void:
	var progress := _time / 0.7
	var alpha := 1.0 - progress
	for ring in 3:
		draw_arc(Vector2.ZERO, 8.0 + radius * progress + float(ring) * 5.0, 0, TAU, 64, Color(color, alpha * (0.5 - float(ring) * 0.12)), 2.0, true)
	for index in 12:
		var direction := Vector2.RIGHT.rotated(float(index) * TAU / 12.0)
		draw_line(direction * (10.0 + radius * progress), direction * (20.0 + radius * progress), Color(color, alpha * 0.6), 1.5, true)