Class Layers

节点层管理器，层数据是以掩码数据方式存储在 Node.layer 中，用于射线检测、物理碰撞和用户自定义脚本逻辑。每个节点可属于一个或多个层，可通过 “包含式” 或 “排除式” 两种检测器进行层检测。

Hierarchy

Layers

Index

Properties

BitMask
Enum

Methods

Properties

Static BitMask

BitMask: EnumAlias<typeof BitMask> = BitMask({ ...layerList })

包含所有层的 BitMask

Static Enum

Enum: EnumAlias<typeof Enum> = Enum(layerList)

以 Enum 形式存在的所有层列表

Methods

Static addLayer

addLayer(name: string, bitNum: number): void

- Defined in cocos/core/scene-graph/layers.ts:103
添加一个新层，用户可编辑 0 - 19 位为用户自定义层

Parameters
- name: string
  
  Layer's name
- bitNum: number
  
  Layer's bit position
Returns void

Static deleteLayer

deleteLayer(bitNum: number): void

- Defined in cocos/core/scene-graph/layers.ts:123
移除一个层，用户可编辑 0 - 19 位为用户自定义层

Parameters
- bitNum: number
  
  Layer's bit position
Returns void

Static makeMaskExclude

makeMaskExclude(excludes: number[]): number

- Defined in cocos/core/scene-graph/layers.ts:93
创建一个排除式层检测器，只拒绝列表中的层

Parameters
- excludes: number[]
  
  All excluded layers
Returns number

A filter which can detect for excluded layers

Static makeMaskInclude

makeMaskInclude(includes: number[]): number

- Defined in cocos/core/scene-graph/layers.ts:77
创建一个包含式层检测器，只接受列表中的层

Parameters
- includes: number[]
  
  All accepted layers
Returns number

A filter which can detect all accepted layers

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