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private GameObject image; //设置图片private RawImage rawImage;//设置rawimagepublic float speed = 3f;//屏幕是否要逐渐清晰(默认是需要的)private bool isclear = true;//屏幕是否需要逐渐变暗(默认是不需要的)private bool isblack = false;public override void Awake(){    base.Awake();    image = this.gameObject;    rawImage = this.GetComponent
   
    ();}/// 
    
/// 淡入效果/// 
public void fadetoClear(){    rawImage.color=Color.Lerp(rawImage.color,Color.clear, speed*Time.deltaTime);}/// 
    
/// 淡出效果/// 
public void fadetoBlack(){    rawImage.color = Color.Lerp(rawImage.color, Color.black, speed * Time.deltaTime);}public void SceneToClear(){    fadetoClear();    if (rawImage.color.a<0.05f)    {        rawImage.color=Color.clear;        rawImage.enabled = false;        isclear = false;    }}public void SceneToBlack(){    rawImage.enabled = true;    fadetoBlack();       if (rawImage.color.a > 0.95f)    {        rawImage.color = Color.black;        isblack = true;    }}/// 
    
/// 设置场景的淡入/// 
public void setSceneToClear(){    isclear = true;    isblack = false;}/// 
    
/// 设置场景的淡出/// 
public void setSceneToBlack(){    isclear = false;    isblack = true;}void Update () {    if (isclear)    {        SceneToClear();    }    else if (isblack)    {        SceneToBlack();    }  }
   

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