使用Unity中的Sprite。Unity支持把一个Sprite切割成多个。

需要手动做的工作是将图集的TextureType设置为Sprite，然后把SpriteMode设为Multiple，打开SpriteEditor，对图片进行切割。Slice就基本可以完成这个工作，如果需要再手动微调一下。

一张图按照字符的位置分割成了10个Sprite。然后选中每一个Sprite把Name设置成字符对应的ASCII码。同样写一个Editor脚本把这些信息写入到CustomFont里面，并不用手动去创建。

// ========================================================

// 描 述：制作自定义字体

// 作 者：SW

// 创建时间：2019/02/21 10:36:15

// 版 本：v 1.0

// ========================================================

using UnityEngine;

using UnityEditor;

using System.IO;

public class CreateFont : EditorWindow

{

[MenuItem("Tools/创建字体(sprite)")]

public static void Open()

{

GetWindow("创建字体");

}

private Texture2D tex;

private string fontName;

private string fontPath;

private void OnGUI()

{

GUILayout.BeginVertical();

GUILayout.BeginHorizontal();

GUILayout.Label("字体图片：");

tex = (Texture2D)EditorGUILayout.ObjectField(tex, typeof(Texture2D), true);

GUILayout.EndHorizontal();

GUILayout.BeginHorizontal();

GUILayout.Label("字体名称：");

fontName = EditorGUILayout.TextField(fontName);

GUILayout.EndHorizontal();

GUILayout.BeginHorizontal();

if (GUILayout.Button(string.IsNullOrEmpty(fontPath) ? "选择路径" : fontPath))

{

fontPath = EditorUtility.OpenFolderPanel("字体路径", Application.dataPath, "");

if (string.IsNullOrEmpty(fontPath))

{

Debug.Log("取消选择路径");

}

else

{

fontPath = fontPath.Replace(Application.dataPath, "") + "/";

}

}

GUILayout.EndHorizontal();

GUILayout.BeginHorizontal();

if (GUILayout.Button("创建"))

{

Create();

}

GUILayout.EndHorizontal();

GUILayout.EndVertical();

}

private void Create()

{

if (tex == null)

{

Debug.LogWarning("创建失败，图片为空！");

return;

}

if (string.IsNullOrEmpty(fontPath))

{

Debug.LogWarning("字体路径为空！");

return;

}

if (fontName == null)

{

Debug.LogWarning("创建失败，字体名称为空！");

return;

}

else

{

if (File.Exists(Application.dataPath + fontPath + fontName + ".fontsettings"))

{

Debug.LogError("创建失败，已存在同名字体文件");

return;

}

if (File.Exists(Application.dataPath + fontPath + fontName + ".mat"))

{

Debug.LogError("创建失败，已存在同名字体材质文件");

return;

}

}

string selectionPath = AssetDatabase.GetAssetPath(tex);

if (selectionPath.Contains("/Resources/"))

{

string selectionExt = Path.GetExtension(selectionPath);

if (selectionExt.Length == 0)

{

Debug.LogError("创建失败！");

return;

}

string fontPathName = fontPath + fontName + ".fontsettings";

string matPathName = fontPath + fontName + ".mat";

float lineSpace = 0.1f;

//string loadPath = selectionPath.Remove(selectionPath.Length - selectionExt.Length).Replace("Assets/Resources/", "");

string loadPath = selectionPath.Replace(selectionExt, "").Substring(selectionPath.IndexOf("/Resources/") + "/Resources/".Length);

Sprite[] sprites = Resources.LoadAll(loadPath);

if (sprites.Length > 0)

{

Material mat = new Material(Shader.Find("GUI/Text Shader"));

mat.SetTexture("_MainTex", tex);

Font m_myFont = new Font();

m_myFont.material = mat;

CharacterInfo[] characterInfo = new CharacterInfo[sprites.Length];

for (int i = 0; i < sprites.Length; i++)

{

if (sprites[i].rect.height > lineSpace)

{

lineSpace = sprites[i].rect.height;

}

}

for (int i = 0; i < sprites.Length; i++)

{

Sprite spr = sprites[i];

CharacterInfo info = new CharacterInfo();

try

{

info.index = System.Convert.ToInt32(spr.name);

}

catch

{

Debug.LogError("创建失败，Sprite名称错误！");

return;

}

Rect rect = spr.rect;

float pivot = spr.pivot.y / rect.height - 0.5f;

if (pivot > 0)

{

pivot = -lineSpace / 2 - spr.pivot.y;

}

else if (pivot < 0)

{

pivot = -lineSpace / 2 + rect.height - spr.pivot.y;

}

else

{

pivot = -lineSpace / 2;

}

int offsetY = (int)(pivot + (lineSpace - rect.height) / 2);

info.uvBottomLeft = new Vector2((float)rect.x / tex.width, (float)(rect.y) / tex.height);

info.uvBottomRight = new Vector2((float)(rect.x + rect.width) / tex.width, (float)(rect.y) / tex.height);

info.uvTopLeft = new Vector2((float)rect.x / tex.width, (float)(rect.y + rect.height) / tex.height);

info.uvTopRight = new Vector2((float)(rect.x + rect.width) / tex.width, (float)(rect.y + rect.height) / tex.height);

info.minX = 0;

info.minY = -(int)rect.height - offsetY;

info.maxX = (int)rect.width;

info.maxY = -offsetY;

info.advance = (int)rect.width;

characterInfo[i] = info;

}

AssetDatabase.CreateAsset(mat, "Assets" + matPathName);

AssetDatabase.CreateAsset(m_myFont, "Assets" + fontPathName);

m_myFont.characterInfo = characterInfo;

EditorUtility.SetDirty(m_myFont);

AssetDatabase.SaveAssets();

AssetDatabase.Refresh();//刷新资源

Debug.Log("创建字体成功");

}

else

{

Debug.LogError("图集错误！");

}

}

else

{

Debug.LogError("创建失败,选择的图片不在Resources文件夹内！");

}

}

}

下面是常用的ASCII码ASCII码对照表|ASCII编码_911查询​ascii.911cha.com