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

@three3d/tools 提供了 ThreeJS 常用的工具库

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## getProjectionLines() function

获取点的投影线

**Signature:**

```typescript
export declare function getProjectionLines(point: Vector3, lines: Line3[]): {
    lines: Line3[];
    indexs: number[];
};
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  point | Vector3 |  |
|  lines | Line3\[\] |  |

**Returns:**

{ lines: Line3\[\]; indexs: number\[\]; }


## Remarks

投影线是点在线段上的垂足落在线段内的线