# altitudeAngle

> Gets the angle of the stylus relative to the surface, in radians

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.6/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public float altitudeAngle { get; protected set; }
```

### Remarks

A value of 0 indicates that the stylus is parallel to the surface. A value of pi/2 indicates that it is perpendicular to the surface.