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

@three3d/tools 提供了 ThreeJS 常用的工具库

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## discriminateRelationshipOfLine\_Line() function

判别线和线的位置关系

**Signature:**

```typescript
export declare function discriminateRelationshipOfLine_Line<Vec extends VectorInstance>(line1: [Vec, Vec], line2: [Vec, Vec]): InfinityGeometricRelationship;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  line1 | \[Vec, Vec\] |  |
|  line2 | \[Vec, Vec\] |  |

**Returns:**

[InfinityGeometricRelationship](./tools.infinitygeometricrelationship.md)


## Remarks

有以下几种情况： - Tangency：相切；两线重合； - Dissociation：相离； - Intersect；相交