Unity笔记之调节text的字间距

需求：unity内置的调节间距的只有行距，无法调节字的间距，只能通过代码来实现调节字间距的效果。
内容我是百度别人的拿来直接用的，附一下大佬的地址

using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.Playables;
using UnityEngine.SceneManagement;
using UnityEngine.UI;namespace ZXL
{/// <summary>/// 对话系统/// </summary>public class DialogueSystem : MonoBehaviour{public Sprite[] sprites;public Image img_HeadPortrait;public Text txt_Context;public string path;//文件路径List<string> imgList;List<string> txtList;private int index;public float logSpeed;//打印速度private bool isLoging;//打印中private bool isLog;//直接打印private void Awake(){imgList = new List<string>();txtList = new List<string>();index = 0;isLoging = false;isLog = true;path = Application.streamingAssetsPath + "/Load/" + path;//Analysis(path);//StartCoroutine(Send(path));isFirst = true;//sprites[0] = Resources.Load<Sprite>("/sprite/老板头像_03");//sprites[1] = Resources.Load<Sprite>("/sprite/小白头像_03");//sprites[2] = Resources.Load<Sprite>("/sprite/小精灵头像_03");}private void OnEnable(){//index = 0;//isLoging = false;//PlayDialogue(path);StartCoroutine(Send(path));}bool isFirst;//private void Update()//{//    //if (Input.GetKeyDown(KeyCode.Q))//    //{//    //    //if (!isLoging && !isLog)//    //    //    StartCoroutine(SS());//    //    //else if (!isLog && isLoging)//    //    //    isLog = !isLog;//    //    PlayDialogue();//    //}//    Debug.Log(isTrue);//}public void PlayDialogue(){//index = 0;//isLoging = false;//isLog = true;//this.path = path;StartCoroutine(SS());}/// <summary>/// 解析/// </summary>public void Analysis(string path){string[] s = File.ReadAllLines(path);for (int i = 0; i < s.Length; i++){if (i % 2 == 0) imgList.Add(s[i]);else txtList.Add(s[i]);}}private bool isTrue;IEnumerator Send(string url){UnityWebRequest request = UnityWebRequest.Get(url);yield return request.SendWebRequest();if (request.isHttpError || request.isNetworkError){UnityEngine.Debug.Log(request.error);}else{UnityEngine.Debug.Log(request.downloadHandler.text);string[] s = request.downloadHandler.text.Split('\n');string[] ss = new string[s.Length];for (int i = 0; i < ss.Length; i++){//Debug.Log(ss[i]);ss[i] = s[i].Replace("\r", "");}for (int i = 0; i < ss.Length; i++){if (i % 2 == 0) imgList.Add(ss[i]);else txtList.Add(ss[i]);}isTrue = true;}}public void BedRoomOnly(){StopAllCoroutines();OverallSituation.instance.audioManager.StopAudio();img_HeadPortrait.gameObject.SetActive(false);//OverallSituation.instance.audioManager.PlayAudio(num);//音频还未给，后面更改索引txt_Context.text = "";}IEnumerator SS(){yield return isTrue;//Debug.Log("imgList.Count" + imgList.Count + "+" + "index" + index);if (index >= imgList.Count){Debug.Log("退出");//OverallSituation.instance.mainCanvas.shiYanModelChooseButton.SetActive(true);yield break;}if (isFirst){OverallSituation.instance.audioManager.PlayAudio(num);isFirst = false;}//Debug.Log(index);isLoging = true;txt_Context.text = "";//char[] c = txtList[index].ToCharArray();switch (imgList[index]){case "老板":img_HeadPortrait.sprite = sprites[0];//img_HeadPortrait.color = Color.green;break;case "小白":img_HeadPortrait.sprite = sprites[1];//img_HeadPortrait.color = Color.red;break;case "精灵":img_HeadPortrait.sprite = sprites[2];//img_HeadPortrait.color = Color.blue;break;default:break;}//int i = 0;//while (!isLog && i < c.Length - 1)//{//    txt_Context.text += c[i];//    i++;//    yield return new WaitForSeconds(logSpeed);//}//if (isLog) txt_Context.text = txtList[index];Scene scene = UnityEngine.SceneManagement.SceneManager.GetActiveScene();if (scene.name == "Company0"){if (index == 0)yield return new WaitForSeconds(1f);//1else if (index == 1)yield return new WaitForSeconds(3f);//4else if (index == 2)yield return new WaitForSeconds(2.5f);//6.5else if (index == 3)yield return new WaitForSeconds(2.5f);//9else if (index == 4)yield return new WaitForSeconds(4f);//13else if (index == 5)yield return new WaitForSeconds(1f);//12.20}else if (scene.name == "StudyAndBedRoom0"){if (index == 0)yield return new WaitForSeconds(2f);else if (index == 1)yield return new WaitForSeconds(2.5f);else if (index == 2)yield return new WaitForSeconds(3.5f);}else if (scene.name == "MengJingDaTing0"){if (index == 0)yield return new WaitForSeconds(2f);//2else if (index == 1)yield return new WaitForSeconds(2.5f);//4.5else if (index == 2)yield return new WaitForSeconds(1.5f);//6else if (index == 3)yield return new WaitForSeconds(3f);//9else if (index == 4)yield return new WaitForSeconds(5f);//14else if (index == 5)yield return new WaitForSeconds(1.5f);//15.5else if (index == 6)yield return new WaitForSeconds(5.5f);//21}else if (scene.name == "Company1"){if (index == 0)yield return new WaitForSeconds(1f);else if (index == 1)yield return new WaitForSeconds(2f);else if (index == 2)yield return new WaitForSeconds(1.5f);}isLog = false;isLoging = false;index++;OverallSituation.instance.mainCanvas.num_Dialog++;PlayDialogue();}public int num;}
}

直接挂载上去即可。
本文仅做个人记录使用，如有问题，请及时联系！

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