# GH_Animator<T>.Interpolate delegate

Namespace: [Grasshopper.GUI](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.gui.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public delegate GH_Animator<T>.Interpolate
```

Delegate for interpolating values.

**Signature:**

```cs
T GH_Animator<T>.Interpolate(T A, T B, double factor)
```

**Parameters:**

- `A` (`T`): Start value.
- `B` (`T`): End value.
- `factor` ([double](https://learn.microsoft.com/dotnet/api/system.double)): Linear factor between A and B.