/// <summary>
/// 圆形旋转渐变特效（顺时针）
/// </summary>
/// <param name="spriteName">新图</param>
/// <param name="inverse">是否逆向（默认否）</param>
/// <param name="time">持续时长s（默认0.5s）</param>
public EffectPiece RotateFade(string spriteName, bool inverse = false, float time = 0.5f)
{
Queue <NewImageEffect> effects = new Queue <NewImageEffect>();
effects.Enqueue(NewEffectBuilder.RotateFade(spriteName, inverse, time));
effects.Enqueue(NewEffectBuilder.SetSpriteByDepth(-1, spriteName));
return(new EffectPiece(id++, effects));
}