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

@three3d/tools 提供了 ThreeJS 常用的工具库

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## computeCurveFrenetFramesByFixUp() function

通过固定up方向的方式计算曲线的 FrenetFrames

**Signature:**

```typescript
export declare function computeCurveFrenetFramesByFixUp(curve: Curve<Vector3>, division: number, up: Vector3, useU?: boolean): UT_Point_FrenetFrames;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  curve | Curve&lt;Vector3&gt; |  |
|  division | number |  |
|  up | Vector3 |  |
|  useU | boolean | _(Optional)_ 是否使用分分u的方式； |

**Returns:**

[UT\_Point\_FrenetFrames](./tools.ut_point_frenetframes.md)