/// <summary>
/// <paramref name="prefab"/>を生成する
/// </summary>
public static Actor Spawn(this Actor prefab, Vector3 position)
{
var instance = Object.Instantiate(prefab);
instance.CachedTransform.position = position;
instance.Broker.Publish(Spawned.Get());
Broker.Global.Publish(SpawnedActor.Get(instance));
return(instance);
}
