lerp method

@override Ace lerp(dynamic shadow)

Implementation

@override
Ace lerp(shadow) {
  if (shadow is Ace)
    _config(
      color: shadow._color ?? _color,
      blur: shadow._blur ?? _blur,
      spread: shadow._spread ?? _spread,
      offset: shadow._offset ?? _offset,
    );
  return super.lerp(shadow);
}