extends Node2D

const TILE_SIZE : int = 16

const MOVE_TIME : float = 0.2

@onready var MoveTimer : Timer = $MoveTimer

@onready var MoveRay : RayCast2D = $MoveRay

var direction : Vector2i

var last_direction : Vector2i

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	pass # Replace with function body.


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	direction = Vector2i(0,0)
	
	if Input.is_action_pressed("ui_left"):
		direction.x -= 1
		if Input.is_action_just_pressed("ui_left"):
			last_direction = Vector2i(-1,0)
			move()
	if Input.is_action_pressed("ui_right"):
		direction.x += 1
		if Input.is_action_just_pressed("ui_right"):
			last_direction = Vector2i(1,0)
			move()
	if Input.is_action_pressed("ui_up"):
		direction.y -= 1
		if Input.is_action_just_pressed("ui_up"):
			last_direction = Vector2i(0,-1)
			move()
	if Input.is_action_pressed("ui_down"):
		direction.y += 1
		if Input.is_action_just_pressed("ui_down"):
			last_direction = Vector2i(0,1)
			move()
	
	if MoveTimer.is_stopped():
		move()

func move() -> void:
	if last_direction.x:
		direction.y = 0
	if last_direction.y:
		direction.x = 0
	
	MoveRay.target_position = Vector2(TILE_SIZE * direction)
	MoveRay.force_raycast_update()
	
	if not MoveRay.is_colliding():
		position += Vector2(TILE_SIZE * direction)


	MoveTimer.start(MOVE_TIME)