extends Area2D

export var speed = 16.0

onready var sprite = $Sprite

var lifetime = 0.0

func _ready():
	sprite.frame_coords.x = randi() % sprite.hframes

func _physics_process(delta):
	lifetime += delta
	if speed > 0.0:
		sprite.position.x = sin(lifetime * 4.0) * 4.0
	position.y -= speed * delta

func _on_area_entered(area):
	if area.is_in_group("player") or area.is_in_group("arrow"):
		sprite.frame_coords.y = 1
		speed = 0.0
		get_tree().create_timer(0.5, false).connect("timeout", self, "queue_free")