进度条进度计算

WWW www = new WWW(urlfile);
			
float progress = 0;
				
while(!www.isDone)
{
 mSliderValue += (www.progress - progress)*0.25f*(1.0f/mFiletoMemoryCount);
 progress = www.progress;
 mSliderInfo = "Loading Assetbundle... " + BundleName + " " + Math.Round(www.progress,2)*100 + @"%";
 yield return null;
}

yield return www;WWW www = new WWW(urlfile);
			
float progress