public Texture2D GetTexture(int index)
        {
            if (index < 0 || index >= textureCount)
            {
                Debug.LogError("Invalid texture index:" + index);
            }
            KBatchGroupData batchGroupData = KAnimBatchManager.Instance().GetBatchGroupData(batchTag);

            return(batchGroupData.GetTexure(textureStartIdx + index));
        }