# Sandbox.VR.AnalogInput.Delta

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

How much [Sandbox.VR.AnalogInput.Value](/api/Sandbox.VR.AnalogInput/Value) has changed since the last update, from 0 to 1.

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