public void ChangeBgTexture(int nNewSceneId, float fPeriod)
{
//Prepare to Start
_gmObjFrontBg.SetActive(true);
MaterialFrontBg.SetFloat("_Alpha", 1);
MaterialFrontBg.mainTexture = MaterialBackBg.mainTexture;
MaterialBackBg.mainTexture = ResourceMgr.Instance.CreatSceneBgTexture(nNewSceneId);
SceneMgr.Instance.StartCoroutine(_graduallyChangingBgTexture(fPeriod));
}
private IEnumerator _graduallyChangingBgTexture(float fPeriod)
{
float fRate = 1 / fPeriod;
float i = 0;
float fAlpha = 1;
while (i <= 1)
{
i += Time.deltaTime * fRate;
fAlpha = 1 - i;
MaterialFrontBg.SetFloat("_Alpha", fAlpha);
yield return(null);
}
_gmObjFrontBg.SetActive(false);
}