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); }