extends Area2D

const Explosion = preload("res://Scenes/ExplosionEffect.tscn")

export (int) var speed = 50
export (int) var armor = 3

func _process(delta):
	position.x -= speed * delta

func _on_Enemy_body_entered(body):
	body.create_hit_effect()
	body.queue_free()
	armor -= 1
	
	if armor <= 0:
		var root = get_tree().current_scene
		if root.is_in_group("World"):
			root.score += 10
		explode()
		queue_free()

func _on_VisibilityNotifier2D_screen_exited():
	queue_free()


func explode():
	var explosion = Explosion.instance()
	explosion.global_position = global_position
	get_tree().current_scene.add_child(explosion)