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Re:Nphysics – 2 and 3-dimensional rigid body physics engine ... by dbaupp on Monday September 02, 2013 @05:49AM (#6314342)
It calls[1] into a module called `euler`[2], and that looks like a very basic euler integrator.

[1]: https://github.com/sebcrozet/nphysics/blob/916199c0a67219482...

[2]: https://github.com/sebcrozet/nphysics/blob/916199c0a67219482...

Re:Nphysics – 2 and 3-dimensional rigid body physics engine ... by kyzyl on Monday September 02, 2013 @02:38PM (#6316456)
Well again the code is nearly completely opaque to me (goes to show you that there is such a thing as too much abstraction) but again based off of the name "semi_implicit_integrate" it would be crazy for this to be anything but a Semi-Implicit Euler integrator. That falls into the class of symplectic integrators, so it should handle SE(3) fine.

There is also a explicit method in there, which probably won't handle it very well.

On the other hand, I hesitate to argue with the author about their own code... or are you just the OP?

Re:Nphysics – 2 and 3-dimensional rigid body physics engine ... by dbaupp on Monday September 02, 2013 @04:58PM (#6317157)
I'm just an interested onlooker, yes.