extends Entity
class_name GenericProjectile

var BULLET_SPEED = 1
var BULLET_DAMAGE = 15

export var LIFETIME = 0
var _timer = 0

var from: Transform
var to: Vector3 = Vector3.ZERO

func _physics_process(delta):
	if LIFETIME != 0:
		_timer += delta
		if _timer >= LIFETIME:
			queue_free()

func create(_from: Transform, _to: Vector3, exclude_collisions: Array):
	from = _from
	to = _to
	global_transform = from
	
	for object in exclude_collisions:
		add_collision_exception_with(object)
	add_central_force((to - from.origin).normalized() * BULLET_SPEED)