tk2dTextMesh.FormatText C# (CSharp) Method

    void FormatText()
    {
        if (formatting == false || wordWrapWidth == 0 || _fontInst.texelSize == Vector2.zero)
        {
            _formattedText = _text;
            return;
        }

        float lineWidth = _fontInst.texelSize.x * wordWrapWidth;

        System.Text.StringBuilder target = new System.Text.StringBuilder(_text.Length);
        float widthSoFar = 0.0f;
        float wordStart = 0.0f;
        int targetWordStartIndex = -1;
        int fmtWordStartIndex = -1;
        for (int i = 0; i < _text.Length; ++i)
        {
            char idx = _text[i];
            tk2dFontChar chr;

            if (_fontInst.useDictionary)
            {
                if (!_fontInst.charDict.ContainsKey(idx)) idx = (char)0;
                chr = _fontInst.charDict[idx];
            }
            else
            {
                if (idx >= _fontInst.chars.Length) idx = (char)0; // should be space
                chr = _fontInst.chars[idx];
            }

            if (idx == '\n')
            {
                widthSoFar = 0.0f;
                wordStart = 0.0f;
                targetWordStartIndex = target.Length;
                fmtWordStartIndex = i;
            }
            else if (idx == ' ' || idx == '.' || idx == ',' || idx == ':' || idx == ';' || idx == '!')
            {
                if ((widthSoFar + chr.p1.x * _scale.x) > lineWidth)
                {
                    target.Append('\n');
                    widthSoFar = chr.advance * _scale.x;
                }
                else
                {
                    widthSoFar += chr.advance * _scale.x;
                }

                wordStart = widthSoFar;
                targetWordStartIndex = target.Length;
                fmtWordStartIndex = i;
            }
            else
            {
                if ((widthSoFar + chr.p1.x * _scale.x) > lineWidth)
                {
                    // If the last word started after the start of the line
                    if (wordStart > 0.0f)
                    {
                        wordStart = 0.0f;
                        widthSoFar = 0.0f;
                        // rewind
                        target.Remove(targetWordStartIndex + 1, target.Length - targetWordStartIndex - 1);
                        target.Append('\n');
                        i = fmtWordStartIndex;
                        continue; // don't add this character
                    }
                    else
                    {
                        target.Append('\n');
                        widthSoFar = chr.advance * _scale.x;
                    }
                }
                else
                {
                    widthSoFar += chr.advance * _scale.x;
                }
            }

            target.Append(idx);
        }
        _formattedText = target.ToString();
    }

    void DrawText()
    {
        string currentText   = texts[textIndex].Trim();
        string formattedText = textMesh.FormatText(currentText).Trim();

        textMesh.text = formattedText;
        int nLines = formattedText.Split('\n').Length;

        speechBubble.dimensions = new Vector2(speechBubble.dimensions.x, 8 + (8 * nLines));
    }