These general collision tests are difficult to implement without being able to perform 
regularized set operations on solids. As far as I can tell, there is currently no 
support for them in Java 3D.

We have implemented these operations on a boundary-representation solid modeller 
written in Java and are in the process of integrating the solid modeller with Java3D. 
We have not yet finished though. 

--- Stephen Chan, Hong Kong Polytechnic University

>>> VisWanathan Vinod K <[EMAIL PROTECTED]> 01/09 1:44 PM >>>
the collision bounds that are set to detect collision seem to work a bit
too approximately. Though 2 bodies seem far apart to the eye, collision is
detected. 
Is there anyway to create a collision bound with a hole in it? 
For example, say there's a cube with a hole in it and a cylinder has to be
inserted into the hole. Lets say the hole is just a black cylinder. The
problem is that the cylinder must not be allowed to penetrate the cube
body, but when properly aligned with the hole, it should be able to go in.
Can anybody give me any ideas?
Thanks

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