class_name Bullet extends Area2D

const BULLET_SCENE: PackedScene = preload("res://scenes/bullet.tscn")
@export var SPEED = 700
var bearing: Vector2 = Vector2(1,0)

signal bulletHit(body, bullet)

static func create(pos: Vector2, bearing: Vector2) -> Bullet:
	var instance = BULLET_SCENE.instantiate()
	instance.position = pos
	instance.bearing = bearing
	return instance

func _physics_process(delta: float) -> void:
	position += bearing * SPEED * delta
	if position.x < 0 || position.x > 1152:
		bearing.x *= -1
	if position.y < 0 || position.y > 648:
		bearing.y *= -1

func _on_body_entered(body: Node2D) -> void:
	if not body is Player:
		bulletHit.emit(body, self)