# 编写自定义打字机（C#）

通过使用“Text Animator for Unity”你可以创建你自己的 **自定义打字机**，在字母之间设置不同类型的延迟以及更多功能。\
（如果你想了解默认的打字机，请 [在此阅读](/text-animator-unity/2.x-zh/typewriter/dong-tai-xian-shi-he-yin-cang-zi-mu.md)).

***

## 添加自定义打字机 <a href="#adding-custom-typewriters" id="adding-custom-typewriters"></a>

为了为你的游戏创建自定义打字机，你需要创建一个继承自的自定义类 `Febucci.UI.Core.TypewriterCore` \[[脚本 API](https://www.api.febucci.com/tools/text-animator-unity/api/Febucci.UI.Core.TypewriterCore.html)].

### 基本方法 <a href="#fundamental-methods" id="fundamental-methods"></a>

你必须重写/实现以下方法：

#### float GetWaitAppearanceTimeOf(int charIndex) <a href="#float-getwaitappearancetimeofint-charindex" id="float-getwaitappearancetimeofint-charindex"></a>

它告诉打字机每个字符需要等待的时间。通过这种方式，你可以实现自己的特殊字符，这些字符需要独特的等待时间等。

你可以通过以下方式根据索引访问字符：

```csharp
char character = TextAnimator.Characters[charIndex].info.character
```

例如，为了在输入标点符号时具有不同的等待时间：

```csharp

[SerializeField] float normalTime = .1f;
[SerializeField] float punctuationTime = .3f;
protected override float GetWaitAppearanceTimeOf(int charIndex)
{
    char character = TextAnimator.Characters[charIndex].info.character;
    return char.IsPunctuation(character) ? punctuationTime : normalTime;
}
```

***

### 可选方法 <a href="#optional-methods" id="optional-methods"></a>

你还可以重写以下方法以获得额外功能。

#### float GetWaitDisappearanceTimeOf(int charIndex) <a href="#float-getwaitdisappearancetimeofint-charindex" id="float-getwaitdisappearancetimeofint-charindex"></a>

如果你希望不同的消失等待时间/速度，请重写此方法。否则，你的自定义 textAnimatorPlayer 将使用与其打字机相同的延迟（GetWaitAppearanceTimeOf）；

***

✅ 就这些！真的！

👍🏻 别忘了将你的打字机组件添加到与 TextAnimator 组件相同的 gameObject 上。

玩得开心，自己实现你喜欢的打字机 <3


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