lerp static method

线性插值(用于主题切换动画)

Implementation

static ComShapes lerp(ComShapes a, ComShapes b, double t) {
  return ComShapes(
    mediumRadius: _lerpDouble(a.mediumRadius, b.mediumRadius, t),
    smallRadius: _lerpDouble(a.smallRadius, b.smallRadius, t),
    largeRadius: _lerpDouble(a.largeRadius, b.largeRadius, t),
    buttonRadius: _lerpDouble(a.buttonRadius, b.buttonRadius, t),
    cardRadius: _lerpDouble(a.cardRadius, b.cardRadius, t),
    dialogRadius: _lerpDouble(a.dialogRadius, b.dialogRadius, t),
  );
}