diff options
Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionDispatch/btConvex2dConvex2dAlgorithm.cpp')
-rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionDispatch/btConvex2dConvex2dAlgorithm.cpp | 99 |
1 files changed, 34 insertions, 65 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionDispatch/btConvex2dConvex2dAlgorithm.cpp b/thirdparty/bullet/BulletCollision/CollisionDispatch/btConvex2dConvex2dAlgorithm.cpp index 1cb3d2e7a1..9087f84398 100644 --- a/thirdparty/bullet/BulletCollision/CollisionDispatch/btConvex2dConvex2dAlgorithm.cpp +++ b/thirdparty/bullet/BulletCollision/CollisionDispatch/btConvex2dConvex2dAlgorithm.cpp @@ -22,7 +22,6 @@ subject to the following restrictions: #include "BulletCollision/CollisionShapes/btConvexShape.h" #include "BulletCollision/CollisionShapes/btCapsuleShape.h" - #include "BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h" #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" #include "BulletCollision/CollisionDispatch/btCollisionDispatcher.h" @@ -34,8 +33,6 @@ subject to the following restrictions: #include "BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.h" #include "BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h" - - #include "BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.h" #include "BulletCollision/CollisionShapes/btSphereShape.h" @@ -45,31 +42,28 @@ subject to the following restrictions: #include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h" #include "BulletCollision/CollisionDispatch/btCollisionObjectWrapper.h" -btConvex2dConvex2dAlgorithm::CreateFunc::CreateFunc(btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* pdSolver) +btConvex2dConvex2dAlgorithm::CreateFunc::CreateFunc(btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* pdSolver) { m_simplexSolver = simplexSolver; m_pdSolver = pdSolver; } -btConvex2dConvex2dAlgorithm::CreateFunc::~CreateFunc() -{ +btConvex2dConvex2dAlgorithm::CreateFunc::~CreateFunc() +{ } -btConvex2dConvex2dAlgorithm::btConvex2dConvex2dAlgorithm(btPersistentManifold* mf,const btCollisionAlgorithmConstructionInfo& ci,const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* pdSolver,int /* numPerturbationIterations */, int /* minimumPointsPerturbationThreshold */) -: btActivatingCollisionAlgorithm(ci,body0Wrap,body1Wrap), -m_simplexSolver(simplexSolver), -m_pdSolver(pdSolver), -m_ownManifold (false), -m_manifoldPtr(mf), -m_lowLevelOfDetail(false) +btConvex2dConvex2dAlgorithm::btConvex2dConvex2dAlgorithm(btPersistentManifold* mf, const btCollisionAlgorithmConstructionInfo& ci, const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* pdSolver, int /* numPerturbationIterations */, int /* minimumPointsPerturbationThreshold */) + : btActivatingCollisionAlgorithm(ci, body0Wrap, body1Wrap), + m_simplexSolver(simplexSolver), + m_pdSolver(pdSolver), + m_ownManifold(false), + m_manifoldPtr(mf), + m_lowLevelOfDetail(false) { (void)body0Wrap; (void)body1Wrap; } - - - btConvex2dConvex2dAlgorithm::~btConvex2dConvex2dAlgorithm() { if (m_ownManifold) @@ -79,26 +73,22 @@ btConvex2dConvex2dAlgorithm::~btConvex2dConvex2dAlgorithm() } } -void btConvex2dConvex2dAlgorithm ::setLowLevelOfDetail(bool useLowLevel) +void btConvex2dConvex2dAlgorithm ::setLowLevelOfDetail(bool useLowLevel) { m_lowLevelOfDetail = useLowLevel; } - - extern btScalar gContactBreakingThreshold; - // // Convex-Convex collision algorithm // -void btConvex2dConvex2dAlgorithm ::processCollision (const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) +void btConvex2dConvex2dAlgorithm ::processCollision(const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut) { - if (!m_manifoldPtr) { //swapped? - m_manifoldPtr = m_dispatcher->getNewManifold(body0Wrap->getCollisionObject(),body1Wrap->getCollisionObject()); + m_manifoldPtr = m_dispatcher->getNewManifold(body0Wrap->getCollisionObject(), body1Wrap->getCollisionObject()); m_ownManifold = true; } resultOut->setPersistentManifold(m_manifoldPtr); @@ -106,49 +96,41 @@ void btConvex2dConvex2dAlgorithm ::processCollision (const btCollisionObjectWrap //comment-out next line to test multi-contact generation //resultOut->getPersistentManifold()->clearManifold(); - const btConvexShape* min0 = static_cast<const btConvexShape*>(body0Wrap->getCollisionShape()); const btConvexShape* min1 = static_cast<const btConvexShape*>(body1Wrap->getCollisionShape()); - btVector3 normalOnB; - btVector3 pointOnBWorld; + btVector3 normalOnB; + btVector3 pointOnBWorld; { - - btGjkPairDetector::ClosestPointInput input; - btGjkPairDetector gjkPairDetector(min0,min1,m_simplexSolver,m_pdSolver); + btGjkPairDetector gjkPairDetector(min0, min1, m_simplexSolver, m_pdSolver); //TODO: if (dispatchInfo.m_useContinuous) gjkPairDetector.setMinkowskiA(min0); gjkPairDetector.setMinkowskiB(min1); { input.m_maximumDistanceSquared = min0->getMargin() + min1->getMargin() + m_manifoldPtr->getContactBreakingThreshold(); - input.m_maximumDistanceSquared*= input.m_maximumDistanceSquared; + input.m_maximumDistanceSquared *= input.m_maximumDistanceSquared; } input.m_transformA = body0Wrap->getWorldTransform(); input.m_transformB = body1Wrap->getWorldTransform(); - gjkPairDetector.getClosestPoints(input,*resultOut,dispatchInfo.m_debugDraw); + gjkPairDetector.getClosestPoints(input, *resultOut, dispatchInfo.m_debugDraw); - btVector3 v0,v1; + btVector3 v0, v1; btVector3 sepNormalWorldSpace; - } if (m_ownManifold) { resultOut->refreshContactPoints(); } - } - - - -btScalar btConvex2dConvex2dAlgorithm::calculateTimeOfImpact(btCollisionObject* col0,btCollisionObject* col1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) +btScalar btConvex2dConvex2dAlgorithm::calculateTimeOfImpact(btCollisionObject* col0, btCollisionObject* col1, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut) { (void)resultOut; (void)dispatchInfo; @@ -158,7 +140,6 @@ btScalar btConvex2dConvex2dAlgorithm::calculateTimeOfImpact(btCollisionObject* c ///col0->m_worldTransform, btScalar resultFraction = btScalar(1.); - btScalar squareMot0 = (col0->getInterpolationWorldTransform().getOrigin() - col0->getWorldTransform().getOrigin()).length2(); btScalar squareMot1 = (col1->getInterpolationWorldTransform().getOrigin() - col1->getWorldTransform().getOrigin()).length2(); @@ -166,77 +147,65 @@ btScalar btConvex2dConvex2dAlgorithm::calculateTimeOfImpact(btCollisionObject* c squareMot1 < col1->getCcdSquareMotionThreshold()) return resultFraction; - //An adhoc way of testing the Continuous Collision Detection algorithms //One object is approximated as a sphere, to simplify things //Starting in penetration should report no time of impact //For proper CCD, better accuracy and handling of 'allowed' penetration should be added //also the mainloop of the physics should have a kind of toi queue (something like Brian Mirtich's application of Timewarp for Rigidbodies) - /// Convex0 against sphere for Convex1 { btConvexShape* convex0 = static_cast<btConvexShape*>(col0->getCollisionShape()); - btSphereShape sphere1(col1->getCcdSweptSphereRadius()); //todo: allow non-zero sphere sizes, for better approximation + btSphereShape sphere1(col1->getCcdSweptSphereRadius()); //todo: allow non-zero sphere sizes, for better approximation btConvexCast::CastResult result; btVoronoiSimplexSolver voronoiSimplex; //SubsimplexConvexCast ccd0(&sphere,min0,&voronoiSimplex); ///Simplification, one object is simplified as a sphere - btGjkConvexCast ccd1( convex0 ,&sphere1,&voronoiSimplex); + btGjkConvexCast ccd1(convex0, &sphere1, &voronoiSimplex); //ContinuousConvexCollision ccd(min0,min1,&voronoiSimplex,0); - if (ccd1.calcTimeOfImpact(col0->getWorldTransform(),col0->getInterpolationWorldTransform(), - col1->getWorldTransform(),col1->getInterpolationWorldTransform(),result)) + if (ccd1.calcTimeOfImpact(col0->getWorldTransform(), col0->getInterpolationWorldTransform(), + col1->getWorldTransform(), col1->getInterpolationWorldTransform(), result)) { - //store result.m_fraction in both bodies - if (col0->getHitFraction()> result.m_fraction) - col0->setHitFraction( result.m_fraction ); + if (col0->getHitFraction() > result.m_fraction) + col0->setHitFraction(result.m_fraction); if (col1->getHitFraction() > result.m_fraction) - col1->setHitFraction( result.m_fraction); + col1->setHitFraction(result.m_fraction); if (resultFraction > result.m_fraction) resultFraction = result.m_fraction; - } - - - - } /// Sphere (for convex0) against Convex1 { btConvexShape* convex1 = static_cast<btConvexShape*>(col1->getCollisionShape()); - btSphereShape sphere0(col0->getCcdSweptSphereRadius()); //todo: allow non-zero sphere sizes, for better approximation + btSphereShape sphere0(col0->getCcdSweptSphereRadius()); //todo: allow non-zero sphere sizes, for better approximation btConvexCast::CastResult result; btVoronoiSimplexSolver voronoiSimplex; //SubsimplexConvexCast ccd0(&sphere,min0,&voronoiSimplex); ///Simplification, one object is simplified as a sphere - btGjkConvexCast ccd1(&sphere0,convex1,&voronoiSimplex); + btGjkConvexCast ccd1(&sphere0, convex1, &voronoiSimplex); //ContinuousConvexCollision ccd(min0,min1,&voronoiSimplex,0); - if (ccd1.calcTimeOfImpact(col0->getWorldTransform(),col0->getInterpolationWorldTransform(), - col1->getWorldTransform(),col1->getInterpolationWorldTransform(),result)) + if (ccd1.calcTimeOfImpact(col0->getWorldTransform(), col0->getInterpolationWorldTransform(), + col1->getWorldTransform(), col1->getInterpolationWorldTransform(), result)) { - //store result.m_fraction in both bodies - if (col0->getHitFraction() > result.m_fraction) - col0->setHitFraction( result.m_fraction); + if (col0->getHitFraction() > result.m_fraction) + col0->setHitFraction(result.m_fraction); if (col1->getHitFraction() > result.m_fraction) - col1->setHitFraction( result.m_fraction); + col1->setHitFraction(result.m_fraction); if (resultFraction > result.m_fraction) resultFraction = result.m_fraction; - } } return resultFraction; - } - |