@three3d/effect/doc/api/effect.lengthdrawrangemodifier.md

@three3d/effect 提供了 ThreeJS 的特效

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## lengthDrawRangeModifier() function

用于一切带有 lineDistance attribute 的几何体的材质的长度范围渲染的材质修改器

**Signature:**

```typescript
export declare function lengthDrawRangeModifier<M extends Material>(material: M): ModifiedMaterial<M, {
    invert: boolean;
    enableStart: boolean;
    enableEnd: boolean;
    startLength: number;
    endLength: number;
}>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  material | M |  |

**Returns:**

[ModifiedMaterial](./effect.modifiedmaterial.md)<!-- -->&lt;M, { invert: boolean; enableStart: boolean; enableEnd: boolean; startLength: number; endLength: number; }&gt;


## Remarks

材质被修改后可具备设置渲染指定长度范围内的线的功能