Unity保存图片到本地

/// <summary>写入图片</summary>
    public async void WriteTesture(string filePath, Texture2D texture2D, Action complete = null)
    {
        if (texture2D == null) return;

        uint width = (uint)texture2D.width;
        uint height = (uint)texture2D.height;

        Color32[] array = texture2D.GetPixels32();

        await Task.Run(() =>
        {
            File.WriteAllBytes(filePath, ImageConversion.EncodeArrayToPNG(array, graphicsFormat, width, height));
        });

        if (complete != null) complete();
    }