[ODE] adding force to an auto-disabled body
rodkay at mullum.com.au
Fri Mar 3 19:06:42 MST 2006
On Fri, 2006-03-03 at 11:54 +0530, Auro wrote:
> I guess the ode devs decided to leave re-enabling of dBodys
> in the
> ode users hands. Maybe to point out the situation to those new
> to ODE, a
> line or two could be added to the ode docs, mentioning that a
> applied to an auto-disabled dBody, will not have effect.
> > i was wondering why auto-disabled dBody's are not
> > whenever a new force is applied to the body ? is there a
> > performance penalty ?
> the ODE docs already mention and explain this:
> 6.3. Mass and force
> void dBodySetForce (dBodyID b, dReal x, dReal y, dReal z);
> void dBodySetTorque (dBodyID b, dReal x, dReal y, dReal z);
> Set the body force and torque accumulation vectors. This is mostly
> useful to zero the force and torque for deactivated bodies before they
> are reactivated, in the case where the force-adding functions were
> called on them while they were deactivated.
> Hope this helps.
thanks Auro, i guess i should re-read ODE docs ... cheers Rod.
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