How to make shape objects clickable/selectable in transformgroups in java 3

I am building a visualizer program that has Java 3D components inside Swing components. I have a branchgroup inside a canvas3d inside a simpleuniverse, which is added to a JTabbedPane. Inside the branchgroup I have multiple transformgroups each with one shape in them (box, cone, sphere, cylinder). Each transformgroup has the ability to rotate, zoom, and tranlate objects because I have incorperated a MouseZoom, MouseRotate, and MouseTranslate object as from the Java 3D library functions (these are applied to each transformgroup every time one is created and added to the branchgroup). My problem is that I am trying to make these shapes clickable/sectable/dragable/dropable on the screen - currently when I try to translate ONE object all the shapes move on the screen and I cannot get just one shape to move (all shapes move when I only want one to). How do I make only one shape move when it is clicked?
I know the question is kind of out there and specific so if anyone knows how to generically give transformgroups/shapes drag and drop properties that would also help a great deal. Does anyone know how to to this? Thanks a ton.

shape uses the contains and intersects methods, is that what you need? Without code it is hard to guess what is required.

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How to make shape objects clickable/selectable in transformgroups in java 3

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