extends Node2D

const TILE_SIZE : int = 16

const MOVE_TIME : float = 0.2

enum {UP,LEFT,DOWN,RIGHT,NONE = -1}

@onready var DirectionCast : Array[RayCast2D] = [$UpCast,$LeftCast,$DownCast,$RightCast]

@onready var MoveTimer : Timer = $MoveTimer

var direction : int 

# 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 = NONE

	if Input.is_action_pressed("ui_left"):
		direction = LEFT
		if Input.is_action_just_pressed("ui_left"):
			move()
		
	if Input.is_action_pressed("ui_right"):
		direction = RIGHT
		if Input.is_action_just_pressed("ui_right"):
			move()
		
	if Input.is_action_pressed("ui_up"):
		direction = UP
		if Input.is_action_just_pressed("ui_up"):
			move()
		
	if Input.is_action_pressed("ui_down"):
		direction = DOWN
		if Input.is_action_just_pressed("ui_down"):
			move()
	
	if MoveTimer.is_stopped():
		move()
		

func move() -> void:
	if direction == LEFT and not DirectionCast[LEFT].is_colliding():
		position.x -= TILE_SIZE
	if direction == RIGHT and not DirectionCast[RIGHT].is_colliding():
		position.x += TILE_SIZE
	if direction == UP and not DirectionCast[UP].is_colliding():
		position.y -= TILE_SIZE
	if direction == DOWN and not DirectionCast[DOWN].is_colliding():
		position.y += TILE_SIZE

	MoveTimer.start(MOVE_TIME)