> > 1. I copied your algorithm from > InteractingFacet2InteractingSphere4SpheresContactGeometry without > understanding some parts of that. Could you please review the code > briefly that it does what it should? In the test script, for example, > when the sphere passes over the boundary of the facet, it seems that > the contact exists longer than it visually should (but I didn't > compare that with IF2IS4SCG; it's either bug in my re-"implementation" > or in the original algo; I didn't want to write from scratch, sicne > your approach seems to nicely avoid computing distances and uses only > vector products, which should be much faster; or, if you have some > description of the algo, can you pass me a reference?). Kremmer, M. & Favier, J. F. A method for representing boundaries in discrete element modelling~--- part I: Geometry and contact detection Int. J. Numerical Methods in Eng., 2001, 51, 1407-1421
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