_setPositions(options) {
    const centerPosition = this._graphics.getCenter();

    if (isUndefined(options.left)) {
      options.left = centerPosition.left;
    }

    if (isUndefined(options.top)) {
      options.top = centerPosition.top;
    }
  }
Set position
@param {Object} options - Position options (left or top)
@private