Well, the clump idea is not a bad one.

Even if it is used for "simplified" simulations, like we did in
"buldozer.py" for demonstration purposes, where accuracy is not so
important.

______________________________

Anton Gladkyy


2009/11/20 Sergei D. <[email protected]>

> Hi, all.
> Is anybody uses clumps for now?
> Seems that clumps incorrectly implemented now.
> For example, in NewtonDampedLaw.cpp line 28:
> 00028         const Vector3r& m=ncb->bex.getTorque(memberId); const
> Vector3r& f=ncb->bex.getForce(memberId);
>
> so m and f in global coord. But line 31:
>
> 00031         Vector3r
>
> diffClumpAngularAccel=diagDiv(m,clumpRBP->inertia)+diagDiv((rb->se3.position-clumpRBP->se3.position).Cross(f),clumpRBP->inertia);
>
> clumpRBP in local clumps coord.
>
>
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