# DistanceToCircle

> Returns the distance in pixels from the mouse pointer to a camera facing circle.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

## DistanceToCircle(Vector3, float)

Returns the distance in pixels from the mouse pointer to a camera facing circle.

```csharp
public static float DistanceToCircle(Vector3 position, float radius)
```

### Parameters

**** (\[Vector3]\(/engine/6000.3/script-reference/unityengine/vector3)): **** (\[float]\(https\://learn.microsoft.com/dotnet/api/system.single)): 

### Returns

| Type                                                          | Description |
| ------------------------------------------------------------- | ----------- |
| [float](https://learn.microsoft.com/dotnet/api/system.single) |             |

### Remarks

Calculates the screen space distance from the mouse pointer to the circle at given world space `position` with the given `radius`. The circle is assumed to be facing the camera.

Uses the current camera to determine the distance.

Additional Resources: [HandleUtility.DistanceToDisc](/engine/6000.3/script-reference/unityeditor/handleutility/distancetodisc.md).

## DistanceToCircle(CameraProjectionCache, Vector3, float)

Returns the distance in pixels from the mouse pointer to a camera facing circle.

```csharp
public static float DistanceToCircle(CameraProjectionCache projection, Vector3 position, float radius)
```

### Parameters

**** (\[CameraProjectionCache]\(/engine/6000.3/script-reference/unityeditor/cameraprojectioncache)): **** (\[Vector3]\(/engine/6000.3/script-reference/unityengine/vector3)): **** (\[float]\(https\://learn.microsoft.com/dotnet/api/system.single)): 

### Returns

| Type                                                          | Description |
| ------------------------------------------------------------- | ----------- |
| [float](https://learn.microsoft.com/dotnet/api/system.single) |             |

### Remarks

Calculates the screen space distance from the mouse pointer to the circle at given world space `position` with the given `radius`. The circle is assumed to be facing the camera.

Uses the current camera to determine the distance.

Additional Resources: [HandleUtility.DistanceToDisc](/engine/6000.3/script-reference/unityeditor/handleutility/distancetodisc.md).