So, here goes one more Motion sample in JavaFX :). I have added Slider to control the value of "g" in Pendulum motion(just a thought, anything can be controlled like mass, length of pendulum). Pendulum do a complex calculation(Square root, Cosine, Sine) and I guess render is great in FX. Sorry again, as I am not able to post the applet.
But here how it looks :
The progress bar has been stolen from Chris Blog.
Here is the source code :