IEnumerator DownloadTextureAsync(string downloadUrl, string saveFilePath, delegateOnDownTextureFinsh callback)
{
WWW www = new WWW(downloadUrl);//UnityWebRequestTexture.GetTexture
yield return(www);
if (!string.IsNullOrEmpty(www.error))
{
www.Dispose();
yield return(new WaitForSeconds(0.3f));
www = new WWW(downloadUrl);
yield return(www);
}
if (!string.IsNullOrEmpty(www.error))
{
www.Dispose();
yield return(new WaitForSeconds(0.3f));
www = new WWW(downloadUrl);
yield return(www);
}
if (www.isDone)
{
if (string.IsNullOrEmpty(www.error))
{
Texture2D tex2d = www.texture;
byte[] bys = tex2d.EncodeToPNG();//转换图片资源
SaveSoundFile(saveFilePath, bys);
yield return(new WaitForEndOfFrame());
if (callback != null)
{
callback(0, tex2d);
}
}
else
{
if (callback != null)
{
callback(1, null);
}
}
www.Dispose();
}
}
//下载图片
public void DownloadTexture(string downloadUrl, string saveFilePath, delegateOnDownTextureFinsh callback)
{
StartCoroutine(DownloadTextureAsync(downloadUrl, saveFilePath, callback));
}