public void AddTextureData(TextureData textureData)
		{
			if(_textureDatas == null)
			{
				_textureDatas = new Dictionary<string, TextureData>();
			}
			_textureDatas.Add(textureData.Name, textureData);
		}
		private static TextureData parseTextureData(Dictionary<string, object> textureRawData)
		{
			TextureData textureData = new TextureData();
			textureData.Name = textureRawData[ConstValues.A_NAME].ToString();	
			textureData.X = float.Parse(textureRawData[ConstValues.A_X].ToString());
			textureData.Y = float.Parse(textureRawData[ConstValues.A_Y].ToString());
			textureData.Width = float.Parse(textureRawData[ConstValues.A_WIDTH].ToString());
			textureData.Height = float.Parse(textureRawData[ConstValues.A_HEIGHT].ToString());
			return textureData;
			
		}