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M3testInter
Intersection test between sub-trees A and B.Parameters
If A (resp B) is a sub-tree of B (resp A), the test is performed between sub-tree A (resp B) and sub-tree B (resp A) less sub-tree A (resp B).
Returns nil if there is no intersection, otherwise returns the two objects which intersect each other.
[H3d H3d] M3testInter ( S3d _session_ H3d _A_ H3d _B_ )
Return value
_session_ 3D Session _A_ A Object _B_ B Object
Intersection of two objects, otherwise nil