> For the complete documentation index, see [llms.txt](https://docs.decentraland.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.decentraland.org/creator/content-creator-zh/chang-jing-bian-ji-qi/jiao-hu-xing/trigger-area.md).

# 触发区域

响应玩家位置

要在玩家走入或走出某个区域时触发一个动作，请使用触发区域 [智能物品](/creator/content-creator-zh/chang-jing-bian-ji-qi/jiao-hu-xing/smart-items.md).

![
](https://2460066822-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoPnXBby9S6MrsW83Y9qZ%2Fuploads%2Fgit-blob-649dfd99d06849f543399b5b89a6a31a015cb439%2Ftrigger.png?alt=media)

你在编辑场景时看到的橙色立方体仅在场景编辑器中可见，在运行场景预览时会变为不可见。你可以轻松调整并缩放这个橙色立方体，使其正好覆盖你需要的区域。

如果玩家头像的任何部分与这个橙色立方体重叠，就会调用分配的事件。触发区域只对本地机器上的玩家起作用，不会对其他玩家的头像起作用——每个玩家都会在自己对应的场景实例中触发该触发器。

使用 **玩家进入区域** 和 **玩家离开区域** 物品上的触发类型 **触发器** 组件中。这些触发事件上的动作会在玩家每次进入或离开该区域时被激活。

![
](https://2460066822-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoPnXBby9S6MrsW83Y9qZ%2Fuploads%2Fgit-blob-f8389cd077c495e0b8ada33ca0da01800eee7dcd%2Fon_player_enters.png?alt=media)

你可以在同一个触发事件上添加任意多个不同的动作，这样它们就会同时被激活。

{% hint style="info" %}
**💡 提示**：如果你场景中的触发区域开始妨碍你编辑其他内容，记住你始终可以从 [实体树](/creator/content-creator-zh/chang-jing-bian-ji-qi/kai-shi-shi-yong/scene-editor-essentials.md#the-entity-tree).

<img src="https://2460066822-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoPnXBby9S6MrsW83Y9qZ%2Fuploads%2Fgit-blob-22638c584105c16e473cdbcab644d55b04540fc4%2Fhide-trigger.png?alt=media" alt="
" data-size="original">
{% endhint %}

你也可以添加 **触发条件**，这样只有在场景中满足某些条件时才会执行这些动作。例如，你可以设置一个触发区域，在玩家走进时打开一扇滑动门；你可以在这里使用一个条件来检查作为电源开关的拉杆状态，并且只有在电源开启时才打开门。参见 [状态和条件](/creator/content-creator-zh/chang-jing-bian-ji-qi/jiao-hu-xing/states-and-conditions.md) 了解更多详情。

![
](https://2460066822-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoPnXBby9S6MrsW83Y9qZ%2Fuploads%2Fgit-blob-7b4672a813859334f5951ee8c1e2d31a90509d32%2Ftrigger-conditions-trigger-area.png?alt=media)

多个触发区域可以重叠，且互不影响。

{% hint style="info" %}
**📔 注意**：你也可以使用 **当玩家进入区域时** 和 **当玩家离开区域时** 在任何其他智能物品上设置触发事件，但请注意，要判断触发器覆盖的区域可能会有些困难。

可触发区域的大小与物品的可见形状或其碰撞体无关，它始终是一个每边 1 米的立方体，并会受物品缩放的影响。
{% endhint %}

{% hint style="info" %}
**💡 提示**：场景编辑器中的触发区域只会对本地玩家触发。如果你还需要对其他玩家的头像进入该区域作出反应，请使用 Script 组件添加代码，并使用 [SDK7 TriggerArea 组件](/creator/content-creator-zh/chang-jing-sdk7/3d-nei-rong-ji-chu/trigger-areas.md) 配合 `CL_PLAYER` 碰撞层，它可以检测所有头像。
{% endhint %}


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