@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) > [@three3d/tools](./tools.md) > [computeIntersectionOfRay\_Circle](./tools.computeintersectionofray_circle.md)
## computeIntersectionOfRay\_Circle() function
计算射线和圆的交点
**Signature:**
```typescript
export declare function computeIntersectionOfRay_Circle<Vec extends VectorInstance>(ray: [Vec, Vec], circle: {
center: Vec;
radius: number;
}): Vec[];
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| ray | \[Vec, Vec\] | 射线,第一个点射线的起点,第二个点为射线所经过的任意一点(注意,不是射线的方向) |
| circle | { center: Vec; radius: number; } | |
**Returns:**
Vec\[\]