JmeUpdateLoop (jme-jfx 1.2.1 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface JmeUpdateLoop
```
Gives a javafx control an update loop just like an AppState.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void update(float tpf)

- Method Detail
  - update
```
void update(float tpf)
```