extends CharacterBody2D

@export var speed = 400 # How fast the player will move (pixels/sec).
var input_direction = Vector2.ZERO
var screen_size # Size of the game window.
var direction: Array
func _ready():
    screen_size = get_viewport_rect().size

func get_input(deltapassed):
    input_direction = Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down")
    velocity = input_direction.normalized() * speed * deltapassed * 50

func _physics_process(delta):
    get_input(delta)
    if input_direction == Vector2.ZERO:
        $PGAnimatedSprite2D.play("idle_"+($PGAnimatedSprite2D.animation).trim_prefix("walk_"))
    move_and_slide()
    verify_border()

func verify_border():
        position.x = clamp(position.x, 16, screen_size.x-16)
        position.y = clamp(position.y, 24, screen_size.y-24)

func _input(event):
    if event.is_action_pressed("ui_up") or event.is_action_pressed("ui_down") or event.is_action_pressed("ui_right") or event.is_action_pressed("ui_left"):
        direction.append(event.as_text().to_lower())
        $PGAnimatedSprite2D.play("walk_"+direction.back())
        if direction.size()>2:
            direction.pop_front()
    elif event.is_action_released("ui_up") or event.is_action_released("ui_down") or event.is_action_released("ui_right") or event.is_action_released("ui_left"):
        direction.remove_at(direction.rfind(event.as_text().to_lower()))
        if direction.size()>0:
            $PGAnimatedSprite2D.play("walk_"+direction.front())
            print("ritorno a direzione "+direction.front())