extends KinematicBody2D

export var direction = 1
export var speed = 20
#How far to move
export var left_up_boundary = 0.0
export var right_down_boundary = 0.0
#Move horizontal or vertical
export(int, "Horizontal", "Vertical") var move_direction
#Onreadys
onready var startpos = position
onready var sprite = $Sprite
onready var hitbox = $CollisionShape2D

func _ready():
	sprite.set_region_rect(Rect2(0,0,8 * scale.x,4))
	sprite.scale.x /= scale.x
	left_up_boundary *= 8
	right_down_boundary *= 8
	#Better offset for vertical platforms
	if move_direction == 1:
		right_down_boundary -= 5
		left_up_boundary -= 1

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_boundary): 
		direction = -1
	if position.x <= startpos.x + (-left_up_boundary): 
		direction = 1

func move_up_and_down(delta):
	#Move
	position.y += direction * (speed * delta)
	#fix graphics
	if direction < 0.0 and speed >= 30.0:
		sprite.position.y = 1.0
	else:
		sprite.position.y = 2.0
	#Switch dir
	if position.y >= startpos.y + (right_down_boundary): 
		direction = -1
	if position.y <= startpos.y + (-left_up_boundary): 
		direction = 1