/// <summary>
/// 移除背景（淡出）
/// </summary>
/// <param name="fadeout">原图淡出的时间，默认0.3s</param>
public EffectPiece FadeoutBackground(float fadeout = 0.3f)
{
Queue <NewImageEffect> effects = new Queue <NewImageEffect>();
effects.Enqueue(NewEffectBuilder.FadeOutBackSprite(fadeout));
return(new EffectPiece(id++, effects));
}
/// <summary>
/// 变更背景（淡出后淡入新背景）
/// </summary>
/// <param name="spriteName">需要更改的背景图片名</param>
/// <param name="fadeout">原图淡出的时间，默认0.3s</param>
/// <param name="fadein">新图淡入的时间，默认0.3s</param>
public EffectPiece ChangeBackground(string spriteName, float fadeout = 0.3f, float fadein = 0.3f)
{
Queue <NewImageEffect> effects = new Queue <NewImageEffect>();
effects.Enqueue(NewEffectBuilder.FadeOutBackSprite(fadeout));
effects.Enqueue(NewEffectBuilder.SetBackSprite(spriteName));
effects.Enqueue(NewEffectBuilder.FadeInBackSprite(fadein));
return(new EffectPiece(id++, effects));
}
