@three3d/tools/doc/api/tools.getlengthsofpositionattribute.md

@three3d/tools 提供了 ThreeJS 常用的工具库

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## getLengthsOfPositionAttribute() function

获取每个点对应的长度

**Signature:**

```typescript
export declare function getLengthsOfPositionAttribute(positionAttribute: BufferAttribute | InterleavedBufferAttribute): {
    lengths: number[];
    length: number;
};
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  positionAttribute | BufferAttribute \| InterleavedBufferAttribute |  |

**Returns:**

{ lengths: number\[\]; length: number; }