# Sandbox.VR.VROverlay.Curvature

```csharp
float Curvature { get; set; }
```

Use to draw overlay as a curved surface. Curvature is a percentage from (0..1] where 1 is a fully closed cylinder.
For a specific radius, curvature can be computed as: overlay.width / (2 PI r).

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