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allow to enable/disable implicit cylinder conversion through an API

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p.loadURDF("r2d2.urdf", flags=p.URDF_USE_IMPLICIT_CYLINDER)
allow to enable/disable deterministicOverlappingPairs through an API
p.setPhysicsEngineParameter(deterministicOverlappingPairs = False)
This commit is contained in:
erwincoumans
2018-01-09 10:10:36 -08:00
parent bf6d805228
commit e138e85bca
11 changed files with 85 additions and 47 deletions
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4
src/BulletCollision/BroadphaseCollision/btDispatcher.h
View File

@@ -46,7 +46,8 @@ struct btDispatcherInfo
m_useEpa(true),
m_allowedCcdPenetration(btScalar(0.04)),
m_useConvexConservativeDistanceUtil(false),
m_convexConservativeDistanceThreshold(0.0f)
m_convexConservativeDistanceThreshold(0.0f),
m_deterministicOverlappingPairs(true)
{
}
@@ -62,6 +63,7 @@ struct btDispatcherInfo
btScalar m_allowedCcdPenetration;
bool m_useConvexConservativeDistanceUtil;
btScalar m_convexConservativeDistanceThreshold;
bool m_deterministicOverlappingPairs;
};
enum ebtDispatcherQueryType

18
src/BulletCollision/CollisionDispatch/btSimulationIslandManager.cpp
View File

@@ -334,8 +334,11 @@ void btSimulationIslandManager::buildIslands(btDispatcher* dispatcher,btCollisio
for (i=0;i<maxNumManifolds ;i++)
{
btPersistentManifold* manifold = dispatcher->getManifoldByIndexInternal(i);
if (manifold->getNumContacts() == 0)
continue;
if (collisionWorld->getDispatchInfo().m_deterministicOverlappingPairs)
{
if (manifold->getNumContacts() == 0)
continue;
}
const btCollisionObject* colObj0 = static_cast<const btCollisionObject*>(manifold->getBody0());
const btCollisionObject* colObj1 = static_cast<const btCollisionObject*>(manifold->getBody1());
@@ -397,12 +400,15 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher,
//tried a radix sort, but quicksort/heapsort seems still faster
//@todo rewrite island management
//m_islandmanifold.quickSort(btPersistentManifoldSortPredicate());
//btPersistentManifoldSortPredicateDeterministic sorts contact manifolds based on islandid,
//but also based on object0 unique id and object1 unique id
m_islandmanifold.quickSort(btPersistentManifoldSortPredicateDeterministic());
if (collisionWorld->getDispatchInfo().m_deterministicOverlappingPairs)
{
m_islandmanifold.quickSort(btPersistentManifoldSortPredicateDeterministic());
} else
{
m_islandmanifold.quickSort(btPersistentManifoldSortPredicate());
}
//m_islandmanifold.heapSort(btPersistentManifoldSortPredicate());