Which java technique/framework is best to make Animation?

Hello All

I need to make animation in which ...... i have to make an object (Group of Insects) ........ which is moving around in his house (area)....... and at sudden other object(Insect) who is Evil tried to enter in his area.

That group of insects kick out the other insect from the area. ........ Evil Insects number increase while they do copulation and two three four and attack goes on and all insect goes on fight.

The above is general idea of project

I want to know which of Java technology(library, framework) is best to make above?

As i have least knowledge of animation. We have sufficient amount of time to learn and create

Some of my known told me JAVA FX,
and some also told Swings and applets

If reader have any idea of some other tech from JCP.
Please enlighten!!!

Thanks and Regards

The book Filthy Rich Clients describes how to do animations in a Java Swing application and shows some nice looking examples.