extends Control

var timer = 0.0
var circle_01_radius = 20.0
var circle_02_radius = 20.0


func _process(delta):
	if not visible:
		return
	timer += delta
	circle_01_radius = 48.0 + fmod(timer, 1.5) * 208.0
	circle_02_radius = 48.0 + fmod(timer + 0.15, 1.5) * 208.0
	update()


func _draw():
	var alpha_01 = range_lerp(circle_01_radius, 48.0, 80.0, 0.5, 0.0)
	draw_circle(Vector2.ZERO, circle_01_radius, Color(1.0, 1.0, 1.0, alpha_01))
	
	var alpha_02 = range_lerp(circle_02_radius, 48.0, 80.0, 0.5, 0.0)
	draw_circle(Vector2.ZERO, circle_02_radius, Color(1.0, 1.0, 1.0, alpha_02))