extends CanvasLayer

@onready var light = $PointLight2D as PointLight2D


func _ready() -> void:
	layer = GlobalConfig.CANVAS_LAYER_EFFECT


# 两轮闪烁时 visible 的 canvas items
func flash(visible_nodes_r1: Array, visible_nodes_r2: Array) -> void:
	for n in visible_nodes_r1:
		n.show()
		n.modulate.a = 0
	for n in visible_nodes_r2:
		n.show()
		n.modulate.a = 0
	light.energy = 0
	var tween = create_tween()
	tween.tween_property(light, "energy", 7.0, 0.1)
	for n in visible_nodes_r1:
		tween.parallel().tween_property(n, "modulate:a", 1.0, 0.03)
	tween.tween_property(light, "energy", 4.0, 0.02)
	tween.tween_property(light, "energy", 8.0, 0.01)
	tween.tween_property(light, "energy", 0.5, 0.1)
	tween.tween_property(light, "energy", 7.0, 0.01)
	for n in visible_nodes_r1:
		tween.parallel().tween_callback(n.hide)
	for n in visible_nodes_r2:
		tween.parallel().tween_property(n, "modulate:a", 1.0, 0.03)
	tween.tween_property(light, "energy", 0.0, 0.1)
	for n in visible_nodes_r2:
		tween.parallel().tween_callback(n.hide)