@three3d/tools
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@three3d/tools 提供了 ThreeJS 常用的工具库
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[Home](./index.md) > [/tools](./tools.md) > [computeIntersectionOfLine\_Line](./tools.computeintersectionofline_line.md)
## computeIntersectionOfLine\_Line() function
计算线和线的交点
**Signature:**
```typescript
export declare function computeIntersectionOfLine_Line<Vec extends VectorInstance>(line1: [Vec, Vec], line2: [Vec, Vec]): import("three").Vector3 | import("three").Vector2 | import("three").Vector4 | null;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| line1 | \[Vec, Vec\] | |
| line2 | \[Vec, Vec\] | |
**Returns:**
import("three").Vector3 \| import("three").Vector2 \| import("three").Vector4 \| null