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

@three3d/tools 提供了 ThreeJS 常用的工具库

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## isCollinear() function

判断两个向量是否共线

**Signature:**

```typescript
export declare function isCollinear<Vec extends VectorInstance>(vec1: Vec, vec2: Vec): boolean;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  vec1 | Vec |  |
|  vec2 | Vec |  |

**Returns:**

boolean