Tags and Layers 设置(主菜单:__Edit__ > Project Settings__,然后选择 Tags and Layers__ 类别)可用于设置标签 (Tags)、排序图层 (Sorting Layers) 和图层 (Layers)。
标签 (Tags) 是标记值,可用于标识项目中的对象(有关更多详细信息,请参阅标签文档)。要添加新标签,请单击列表右下角的加号按钮 (+),然后命名新标签。
请注意,一旦命名了标签,就无法重命名。要删除标签,请单击标签,然后单击列表右下角的减号 (-) 按钮。
排序图层与 2D 系统中的精灵图形结合使用。排序 (Sorting) 是指不同精灵的覆盖顺序。
要添加和删除排序图层 (Sorting Layers),请使用列表右下角的加号和减号 (+/-) 按钮。要更改其顺序,请拖动每个图层项左侧的控制柄。
在整个 Unity Editor 中使用图层 (Layers) 可以创建具有共同特定特征的对象组(有关更多详细信息,请参阅图层文档)。用户图层主要用于限制射线投射或渲染等操作,以便它们仅应用于相关的对象组。在 Tags and Layers Manager 中,前八个__内置图层 (Builtin Layers)__ 是 Unity 使用的默认图层,因此无法编辑它们。但是,可以在 8 到 31 中自定义__用户图层 (User Layers)__。
要自定义 8 到 31 的__用户图层__,请在要使用的每个图层的文本字段中输入自定义名称。请注意,无法增加图层数量,但与标签不同,可以重命名图层。
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