extends BulletBase
class_name QKSwordBullet

var tracer: EntityBase
var spawnSpeed: float = 1

func register():
	spawnSpeed = randf_range(0.75, 2)
	animator.speed_scale = spawnSpeed
	lifeTime /= spawnSpeed
func ai():
	if is_instance_valid(tracer):
		look_at(tracer.getTrackingAnchor())
	if timeLived() > 1000 / spawnSpeed:
		PresetBulletAI.forward(self , rotation) # 前进
		hitbox.disabled = false
	else:
		hitbox.disabled = true
func succeedToHit(_dmg: float, entity: EntityBase):
	if entity == tracer:
		tryDestroy() # 只需要命中一次目标就不需要继续前进了
	var eff = EffectController.create(
		ComponentManager.getEffect("FooExplosion"),
		entity.texture.global_position
	)
	var varians = randi_range(0, 2)
	eff.texture.sprite_frames = load("res://resources/effects/FooExplosion/%d/%d.tres" % [varians, varians])
	eff.shot()
	CameraManager.shake(300, 500)