extends Area2D

@export var speed = 400
@export var score : int = 0
@export var bullet_scene: PackedScene 

var screen_size

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	screen_size = get_viewport_rect().size
	$ShootTimer.timeout.connect(_on_shoot_timer_timeout)


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	var velocity = Vector2.ZERO # The player's movement vector.
	if Input.is_action_pressed("move_right"):
		velocity.x += 1
	if Input.is_action_pressed("move_left"):
		velocity.x -= 1
	if Input.is_action_pressed("move_down"):
		velocity.y += 1
	if Input.is_action_pressed("move_up"):
		velocity.y -= 1
	if velocity.length() > 0:
		velocity = velocity.normalized() * speed
		rotation = velocity.angle() #velocity.angle() + PI/2
	position += velocity * delta
	#position = position.clamp(Vector2.ZERO, screen_size)

func _on_shoot_timer_timeout():
	_shoot(Vector2(0, 80))
	_shoot(Vector2(0, -80))
	
func _shoot(socket : Vector2):
	var bullet = bullet_scene.instantiate()
	bullet.position = position + socket.rotated(self.rotation)
	bullet.rotation = self.rotation + PI/2 * sign(socket.y)
	get_parent().add_child(bullet)