@three3d/effect/doc/api/effect.createbandgeometrydataoptions.prelength.md

@three3d/effect 提供了 ThreeJS 的特效

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[Home](./index.md) &gt; [@three3d/effect](./effect.md) &gt; [CreateBandGeometryDataOptions](./effect.createbandgeometrydataoptions.md) &gt; [preLength](./effect.createbandgeometrydataoptions.prelength.md)

## CreateBandGeometryDataOptions.preLength property

上一个点的长度

**Signature:**

```typescript
preLength?: number;
```