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refresh contact points, even when they are already persistent. needs a bit more work (a 'replacedContactCallback' where optionally the user can carry over the persistent contact data)

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This commit is contained in:
ejcoumans 2006-10-30 04:51:17 +00:00
parent 745828ab9c
commit dd8297c86e
1 changed files with 18 additions and 23 deletions
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41
src/BulletCollision/CollisionDispatch/btManifoldResult.cpp
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@ -74,33 +74,28 @@ void btManifoldResult::addContactPoint(const btVector3& normalOnBInWorld,const b
int insertIndex = m_manifoldPtr->getCacheEntry(newPt);
newPt.m_combinedFriction = calculateCombinedFriction(m_body0,m_body1);
newPt.m_combinedRestitution = calculateCombinedRestitution(m_body0,m_body1);
//User can override friction and/or restitution
if (gContactAddedCallback &&
//and if either of the two bodies requires custom material
((m_body0->m_collisionFlags & btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK) ||
(m_body1->m_collisionFlags & btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK)))
{
//experimental feature info, for per-triangle material etc.
btCollisionObject* obj0 = isSwapped? m_body1 : m_body0;
btCollisionObject* obj1 = isSwapped? m_body0 : m_body1;
(*gContactAddedCallback)(newPt,obj0,m_partId0,m_index0,obj1,m_partId1,m_index1);
}
if (insertIndex >= 0)
{
// This is not needed, just use the old info!
// const btManifoldPoint& oldPoint = m_manifoldPtr->getContactPoint(insertIndex);
// newPt.CopyPersistentInformation(oldPoint);
// m_manifoldPtr->replaceContactPoint(newPt,insertIndex);
//const btManifoldPoint& oldPoint = m_manifoldPtr->getContactPoint(insertIndex);
m_manifoldPtr->replaceContactPoint(newPt,insertIndex);
} else
{
newPt.m_combinedFriction = calculateCombinedFriction(m_body0,m_body1);
newPt.m_combinedRestitution = calculateCombinedRestitution(m_body0,m_body1);
//User can override friction and/or restitution
if (gContactAddedCallback &&
//and if either of the two bodies requires custom material
((m_body0->m_collisionFlags & btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK) ||
(m_body1->m_collisionFlags & btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK)))
{
//experimental feature info, for per-triangle material etc.
btCollisionObject* obj0 = isSwapped? m_body1 : m_body0;
btCollisionObject* obj1 = isSwapped? m_body0 : m_body1;
(*gContactAddedCallback)(newPt,obj0,m_partId0,m_index0,obj1,m_partId1,m_index1);
}
m_manifoldPtr->AddManifoldPoint(newPt);
}
}