@three3d/effect/doc/api/effect.pathgeometry.startlength.md

@three3d/effect 提供了 ThreeJS 的特效

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[Home](./index.md) &gt; [@three3d/effect](./effect.md) &gt; [PathGeometry](./effect.pathgeometry.md) &gt; [startLength](./effect.pathgeometry.startlength.md)

## PathGeometry.startLength property

路径起始位置处的长度

**Signature:**

```typescript
get startLength(): number;

set startLength(value: number);
```