extends AnimatedSprite2D

@export var fade_in: bool = false
@export var next_animation: String = ""


func _ready() -> void:
	visible = false
	frame = 0
	# 结束后播放下一个动画
	if next_animation != "":
		animation_finished.connect(_on_animation_finished, CONNECT_ONE_SHOT)
		sprite_frames.set_animation_loop(animation, false)
	var area2d = $Area2D as Area2D
	if area2d:
		area2d.monitoring = true
		area2d.body_entered.connect(_on_body_entered, CONNECT_ONE_SHOT)

func _on_animation_finished() -> void:
	if next_animation != "":
		play(next_animation)

func _on_body_entered(_node: Node) -> void:
	visible = true
	if fade_in:
		var tween = create_tween()
		# 透明度逐渐变为 1
		tween.tween_property(self, "modulate:a", 1.0, 2.5).from(0.0)
	# 播放动画
	play(animation)