What if if do so in Translation/Rotation engines?: if (!b->isDynamic()) b->state->pos+=dt*velocity;
Anton 2010/11/19 Václav Šmilauer <[email protected]> > OK, after some thinking and skyping w/ Chiara: > > I will remove displacements and rotations in ForceContainer, and replace > them by one-time velocity and angularVelocity: they will be added to > state->vel and state->angVel in NewtonIntegrator, but reset by > ForceResetter; and they can accumulate, just like forces do. > > Further, Body::isDynamic will change its meaning to be simply > state->blockedDOFs=State::DOF_ALL. Remembering that blockedDOFs block forces > (not displacements per se), therefore, "non-dynamic" bodies _will_ be moved > by NewtonIntegator if they will have non-zero velocity! That might break > existing simulations, but now is the right period to do that (and see also > shamefully long-lasting https://bugs.launchpad.net/yade/+bug/398089). I > will also modify TranslationEngine accordingly, and will add regression > tests to make sure two TranslationEngines can be combined and so on. That > will ensure that the behavior will be consistent in the future. > > Comments (besides that it should not change because it will break old > simulations, please; run those with frozen version of yade)? (->yade-dev) > > > Cheers, v. > > > > _______________________________________________ > Mailing list: > https://launchpad.net/~yade-users<https://launchpad.net/%7Eyade-users> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~yade-users<https://launchpad.net/%7Eyade-users> > More help : https://help.launchpad.net/ListHelp >
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