extends Node2D

#How far to move
export var left_up_boundry = 0.0
export var right_down_boundry = 0.0
#Start direction
export var direction = 1
export var speed = 50
#Move horizontal or vertical
export(int, "Horizontal", "Vertical") var move_direction
export var flip_sprite = true
export var can_be_killed_by_sword = true
#Onreadys
onready var startpos = position
onready var sprite = $AnimatedSprite

func _physics_process(delta):
	if move_direction == 0:
		move_side_to_side(delta)
	else: move_up_and_down(delta)

func move_side_to_side(delta):
	#Move
	position.x += direction * (speed * delta)
	#Switch dir
	if position.x >= startpos.x + (right_down_boundry * 8): 
		direction = -1
		if flip_sprite == true: sprite.scale.x = -1
	if position.x <= startpos.x + (-left_up_boundry * 8): 
		direction = 1
		if flip_sprite == true: sprite.scale.x = 1

func move_up_and_down(delta):
	#Move
	position.y += direction * (speed * delta)
	#Switch dir
	if position.y >= startpos.y + (right_down_boundry * 8): 
		direction = -1
		if flip_sprite == true: sprite.scale.y = 1
	if position.y <= startpos.y + (-left_up_boundry * 8): 
		direction = 1
		if flip_sprite == true: sprite.scale.y = -1


func _on_Area2D_area_entered(area):
	#Kill player
	if area.is_in_group("player"):
		area.get_parent().die()
	#Die from sword
	if area.is_in_group("sword"):
		if can_be_killed_by_sword:
			queue_free()