Any 3D geometry algorithms library in Java? [closed]

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Closed 9 years ago.

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I need a library, that could perform some geometry operations with objects in 3D, like:

• Find min distance between 2 triangles
• Intersect two polygons
• Intersect two wireframe objects and exctract their difference (hardest one).

Is there any such open-source library?

P.S. JTS is not an option, because it doesn't work with 3D :(

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Have a look at Java3D.