public void Init()
{
_systems.Add(new TileResourceSpriteUpdateSystem(_contexts));
_entity = _contexts.tile.CreateEntity();
_sprite = Resources.Load <Sprite>("Test/Editor/Sprite");
_spriteEmpty = Resources.Load <Sprite>("Test/Editor/Sprite2");
_entity.AddSprite(null);
_entity.AddTileResource(Resource.Wood, _spriteEmpty);
_entity.tileResource.SetOriginalSprite(_sprite);
}