class_name PlayerProjectile
extends Area3D

const SPEED := 20.
var _initialized := false
var velocity: Vector3
var health: int = 1:
	set(v):
		health = v
		if v == 0:
			queue_free()

func _on_collision(node: Node3D):
	if node.has_method("hit"):
		if node.hit(self):
			health -= 1

func _ready() -> void:
	body_entered.connect(_on_collision)
	area_entered.connect(_on_collision)

func init(dir: Vector3) -> void:
	_initialized = true
	velocity = dir * SPEED

func _physics_process(delta: float) -> void:
	position += velocity * delta

func _process(_delta: float) -> void:
	assert(_initialized)