extends Spatial

var at_top: bool = true
export var track_animation_name = ""
export var vertex_animation_name = ""
export var vertex_animation_path: NodePath
export var playback_speed: float

signal arrived

func _ready():
	var _err = $AnimationPlayer.connect("animation_finished", self, "_on_AnimationPlayer_animation_finished")
	
func toggle():
	if at_top:
		descend()
	else:
		ascend()
	at_top = not at_top

func descend():
	$"../Slurp".play()
	yield(get_tree().create_timer(0.1), "timeout")
	$AnimationPlayer.play(track_animation_name)
	get_node(vertex_animation_path).play(vertex_animation_name)
	$AnimationPlayer.playback_speed = playback_speed
	get_node(vertex_animation_path).playback_speed = playback_speed
	
	

func ascend():
	yield(get_tree().create_timer(0.1), "timeout")
	$AnimationPlayer.play_backwards(track_animation_name)
	get_node(vertex_animation_path).play_backwards(vertex_animation_name)
	$AnimationPlayer.playback_speed = playback_speed
	get_node(vertex_animation_path).playback_speed = playback_speed

func _on_AnimationPlayer_animation_finished(_anim_name):
	emit_signal("arrived")