How do I force bullet to update the collision pairs?

[Adversus]

I've defined and set a btOverlapFilterCallback and defined a new needBroadphaseCollision().

The only problem is I then cast to my own class using:

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(ICollisionNode*) ((btCollisionObject*)proxy0->m_clientObject)->getUserPointer()

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where I use flags to determine if these objects collide. The only problem with this is that these cached pairs aren't updated when I change these flags and I don't know how to force this to happen.

I tried:

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broadphasePairCache->getOverlappingPairCache()->removeOverlappingPairsContainingProxy( bulletObject->getBroadphaseHandle(), collisionDispatcher );
broadphasePairCache->calculateOverlappingPairs(collisionDispatcher);

but that didn't work, does anyone know a solution for this?

Cheers,
Adversus.

[Adversus]

Ok from the code it looks like I can't do this directly at least through the interfaces. I think I might be able to do it by calling the sortMinDown etc functions directly however that was messy so I didn't pursue it.

What I did was just remove and add it again, is there a better/faster way, and should I be concerned about doing it this way?

Cheers,
Adversus.