public static string GetVectorComponentFromVector(string vector, int position)
        {
            string temp = vector;
            temp = temp.TrimStart(null);	//remove whitespace
            if (position == 0)
            {
                int length = vector.IndexOf(",");
                if (length != -1)
                {
                    return vector.Substring(0, length);
                }
                return vector;
            }
            if (position == 1)
            {
                string subtemp = TrimVectorComponent(temp);
                int length = subtemp.IndexOf(",");
                if (length != -1)
                {
                    return subtemp.Substring(0, length);
                }
                return subtemp;
            }
            if (position == 2)
            {
                string subtemp = TrimVectorComponent(temp);
                subtemp = TrimVectorComponent(subtemp);
                int length = subtemp.IndexOf(",");
                if (length != -1)
                {
                    return subtemp.Substring(0, length);
                }
                return subtemp;
            }
            if (position == 3)
            {
                string subtemp = TrimVectorComponent(temp);
                subtemp = TrimVectorComponent(subtemp);
                return TrimVectorComponent(subtemp);
            }

            throw new FormatException("Only vector4 is supported");
        }

        public static string TrimVectorComponent(string vector)
        {
            char[] trimChars = { '+', '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.' };
            string subtemp = vector.TrimStart(trimChars);
            char[] trimComma = { ',' };
            return subtemp.TrimStart(trimComma).TrimStart(null);
        }