lerp method

@override Color lerp(double t)

lerp return a value between begin and end

Implementation

@override
Color lerp(double t) => Color.fromARGB(
      clampInt(
        lerpInt(begin.alpha, end.alpha, t).toInt(),
        _colorMin,
        _colorMax,
      ),
      clampInt(
        lerpInt(begin.red, end.red, t).toInt(),
        _colorMin,
        _colorMax,
      ),
      clampInt(
        lerpInt(begin.green, end.green, t).toInt(),
        _colorMin,
        _colorMax,
      ),
      clampInt(
        lerpInt(begin.blue, end.blue, t).toInt(),
        _colorMin,
        _colorMax,
      ),
    );