# Sandbox.Gizmo.GetMouseDistanceDelta

```csharp
static float GetMouseDistanceDelta(Vector3 position, Vector3 planeNormal)
```

Get the distance moved from (or towards) a position on a plane

### Parameters

- `position` (`Vector3`)
- `planeNormal` (`Vector3`)

### Returns

`float`

Declared in [Sandbox.Gizmo](/api/Sandbox.Gizmo).
Assembly: `Sandbox.Engine`.