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[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

>>    3.!!! Set aspherical=False for a facets. Need more consideration.
>
> Is it necessary leapfrogAsphericalRotate for a facets? Facets have
> zero mass and inertia (it means infinity),
> but AsphericalRotate can't handle that case easy. As me seems, for a
> facets will prefered the SphericalRotate scheme.

Hi Sergei,

You'll find something close to what you suggest in r2615.
It should enable 0-density bodies again (I found the same problem with
0-density boxes).
There is no longer velocity time-integration if bodies are not dynamic,
so mass is not used.

Cheers.

Bruno