extends "res://objects/enemy/enemy.gd"

#How far to move
export var up_boundary = 0.0
export var down_boundary = 0.0
#Start direction
var direction = Vector2(1,1)
export var speed = 50
#Move horizontal or vertical
export(int, "/", "\\") var move_direction
#Onreadys
onready var startpos = position

func _ready():
	death_sound = Audio.a_explosion
	up_boundary *= 8
	down_boundary *= 8
	#Move in direction selected
	if move_direction == 0:
		direction = Vector2(1,-1)
	# adjust to difficulty
	speed *= Game.enemy_speed_factor

func _physics_process(delta):
	#Move
	position += direction * (speed * delta)
	#Switch dir
	if position.y >= startpos.y + (down_boundary): 
		direction *= -1
	if position.y <= startpos.y - (up_boundary): 
		direction *= -1

func die():
	.die()