diff options
Diffstat (limited to 'extern/bullet2/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp')
| -rw-r--r-- | extern/bullet2/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp | 424 |
1 files changed, 325 insertions, 99 deletions
diff --git a/extern/bullet2/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp b/extern/bullet2/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp index 745694e2f70..ea2e0ad2a2b 100644 --- a/extern/bullet2/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp +++ b/extern/bullet2/src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp @@ -29,6 +29,11 @@ subject to the following restrictions: #include "BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.h" #include "BulletDynamics/ConstraintSolver/btContactSolverInfo.h" #include "BulletDynamics/ConstraintSolver/btTypedConstraint.h" +#include "BulletDynamics/ConstraintSolver/btPoint2PointConstraint.h" +#include "BulletDynamics/ConstraintSolver/btHingeConstraint.h" +#include "BulletDynamics/ConstraintSolver/btConeTwistConstraint.h" +#include "BulletDynamics/ConstraintSolver/btGeneric6DofConstraint.h" +#include "BulletDynamics/ConstraintSolver/btSliderConstraint.h" //for debug rendering #include "BulletCollision/CollisionShapes/btBoxShape.h" @@ -46,12 +51,7 @@ subject to the following restrictions: #include "LinearMath/btIDebugDraw.h" - -//vehicle -#include "BulletDynamics/Vehicle/btRaycastVehicle.h" -#include "BulletDynamics/Vehicle/btVehicleRaycaster.h" -#include "BulletDynamics/Vehicle/btWheelInfo.h" -#include "LinearMath/btIDebugDraw.h" +#include "BulletDynamics/Dynamics/btActionInterface.h" #include "LinearMath/btQuickprof.h" #include "LinearMath/btMotionState.h" @@ -110,7 +110,6 @@ void btDiscreteDynamicsWorld::saveKinematicState(btScalar timeStep) btRigidBody* body = btRigidBody::upcast(colObj); if (body) { - btTransform predictedTrans; if (body->getActivationState() != ISLAND_SLEEPING) { if (body->isKinematicObject()) @@ -125,6 +124,7 @@ void btDiscreteDynamicsWorld::saveKinematicState(btScalar timeStep) void btDiscreteDynamicsWorld::debugDrawWorld() { + BT_PROFILE("debugDrawWorld"); if (getDebugDrawer() && getDebugDrawer()->getDebugMode() & btIDebugDraw::DBG_DrawContactPoints) { @@ -144,13 +144,30 @@ void btDiscreteDynamicsWorld::debugDrawWorld() } } } + bool drawConstraints = false; + if (getDebugDrawer()) + { + int mode = getDebugDrawer()->getDebugMode(); + if(mode & (btIDebugDraw::DBG_DrawConstraints | btIDebugDraw::DBG_DrawConstraintLimits)) + { + drawConstraints = true; + } + } + if(drawConstraints) + { + for(int i = getNumConstraints()-1; i>=0 ;i--) + { + btTypedConstraint* constraint = getConstraint(i); + debugDrawConstraint(constraint); + } + } + if (getDebugDrawer() && getDebugDrawer()->getDebugMode() & (btIDebugDraw::DBG_DrawWireframe | btIDebugDraw::DBG_DrawAabb)) { int i; - //todo: iterate over awake simulation islands! for ( i=0;i<m_collisionObjects.size();i++) { btCollisionObject* colObj = m_collisionObjects[i]; @@ -179,7 +196,7 @@ void btDiscreteDynamicsWorld::debugDrawWorld() } if (m_debugDrawer && (m_debugDrawer->getDebugMode() & btIDebugDraw::DBG_DrawAabb)) { - btPoint3 minAabb,maxAabb; + btVector3 minAabb,maxAabb; btVector3 colorvec(1,0,0); colObj->getCollisionShape()->getAabb(colObj->getWorldTransform(), minAabb,maxAabb); m_debugDrawer->drawAabb(minAabb,maxAabb,colorvec); @@ -187,32 +204,11 @@ void btDiscreteDynamicsWorld::debugDrawWorld() } - for ( i=0;i<this->m_vehicles.size();i++) + if (getDebugDrawer() && getDebugDrawer()->getDebugMode()) { - for (int v=0;v<m_vehicles[i]->getNumWheels();v++) + for (i=0;i<m_actions.size();i++) { - btVector3 wheelColor(0,255,255); - if (m_vehicles[i]->getWheelInfo(v).m_raycastInfo.m_isInContact) - { - wheelColor.setValue(0,0,255); - } else - { - wheelColor.setValue(255,0,255); - } - - btVector3 wheelPosWS = m_vehicles[i]->getWheelInfo(v).m_worldTransform.getOrigin(); - - btVector3 axle = btVector3( - m_vehicles[i]->getWheelInfo(v).m_worldTransform.getBasis()[0][m_vehicles[i]->getRightAxis()], - m_vehicles[i]->getWheelInfo(v).m_worldTransform.getBasis()[1][m_vehicles[i]->getRightAxis()], - m_vehicles[i]->getWheelInfo(v).m_worldTransform.getBasis()[2][m_vehicles[i]->getRightAxis()]); - - - //m_vehicles[i]->getWheelInfo(v).m_raycastInfo.m_wheelAxleWS - //debug wheels (cylinders) - m_debugDrawer->drawLine(wheelPosWS,wheelPosWS+axle,wheelColor); - m_debugDrawer->drawLine(wheelPosWS,m_vehicles[i]->getWheelInfo(v).m_raycastInfo.m_contactPointWS,wheelColor); - + m_actions[i]->debugDraw(m_debugDrawer); } } } @@ -220,7 +216,7 @@ void btDiscreteDynamicsWorld::debugDrawWorld() void btDiscreteDynamicsWorld::clearForces() { - //todo: iterate over awake simulation islands! + ///@todo: iterate over awake simulation islands! for ( int i=0;i<m_collisionObjects.size();i++) { btCollisionObject* colObj = m_collisionObjects[i]; @@ -236,7 +232,7 @@ void btDiscreteDynamicsWorld::clearForces() ///apply gravity, call this once per timestep void btDiscreteDynamicsWorld::applyGravity() { - //todo: iterate over awake simulation islands! + ///@todo: iterate over awake simulation islands! for ( int i=0;i<m_collisionObjects.size();i++) { btCollisionObject* colObj = m_collisionObjects[i]; @@ -250,9 +246,29 @@ void btDiscreteDynamicsWorld::applyGravity() } +void btDiscreteDynamicsWorld::synchronizeSingleMotionState(btRigidBody* body) +{ + btAssert(body); + + if (body->getMotionState() && !body->isStaticOrKinematicObject()) + { + //we need to call the update at least once, even for sleeping objects + //otherwise the 'graphics' transform never updates properly + ///@todo: add 'dirty' flag + //if (body->getActivationState() != ISLAND_SLEEPING) + { + btTransform interpolatedTransform; + btTransformUtil::integrateTransform(body->getInterpolationWorldTransform(), + body->getInterpolationLinearVelocity(),body->getInterpolationAngularVelocity(),m_localTime*body->getHitFraction(),interpolatedTransform); + body->getMotionState()->setWorldTransform(interpolatedTransform); + } + } +} + void btDiscreteDynamicsWorld::synchronizeMotionStates() { + BT_PROFILE("synchronizeMotionStates"); { //todo: iterate over awake simulation islands! for ( int i=0;i<m_collisionObjects.size();i++) @@ -260,22 +276,11 @@ void btDiscreteDynamicsWorld::synchronizeMotionStates() btCollisionObject* colObj = m_collisionObjects[i]; btRigidBody* body = btRigidBody::upcast(colObj); - if (body && body->getMotionState() && !body->isStaticOrKinematicObject()) - { - //we need to call the update at least once, even for sleeping objects - //otherwise the 'graphics' transform never updates properly - //so todo: add 'dirty' flag - //if (body->getActivationState() != ISLAND_SLEEPING) - { - btTransform interpolatedTransform; - btTransformUtil::integrateTransform(body->getInterpolationWorldTransform(), - body->getInterpolationLinearVelocity(),body->getInterpolationAngularVelocity(),m_localTime*body->getHitFraction(),interpolatedTransform); - body->getMotionState()->setWorldTransform(interpolatedTransform); - } - } + if (body) + synchronizeSingleMotionState(body); } } - +/* if (getDebugDrawer() && getDebugDrawer()->getDebugMode() & btIDebugDraw::DBG_DrawWireframe) { for ( int i=0;i<this->m_vehicles.size();i++) @@ -287,6 +292,8 @@ void btDiscreteDynamicsWorld::synchronizeMotionStates() } } } + */ + } @@ -327,7 +334,8 @@ int btDiscreteDynamicsWorld::stepSimulation( btScalar timeStep,int maxSubSteps, //process some debugging flags if (getDebugDrawer()) { - gDisableDeactivation = (getDebugDrawer()->getDebugMode() & btIDebugDraw::DBG_NoDeactivation) != 0; + btIDebugDraw* debugDrawer = getDebugDrawer (); + gDisableDeactivation = (debugDrawer->getDebugMode() & btIDebugDraw::DBG_NoDeactivation) != 0; } if (numSimulationSubSteps) { @@ -391,9 +399,8 @@ void btDiscreteDynamicsWorld::internalSingleStepSimulation(btScalar timeStep) integrateTransforms(timeStep); ///update vehicle simulation - updateVehicles(timeStep); - - + updateActions(timeStep); + updateActivationState( timeStep ); if(0 != m_internalTickCallback) { @@ -423,13 +430,6 @@ btVector3 btDiscreteDynamicsWorld::getGravity () const void btDiscreteDynamicsWorld::removeRigidBody(btRigidBody* body) { - //remove all constraints too - while (body->getNumConstraintRefs()) - { - btTypedConstraint* constraint = body->getConstraintRef(0); - removeConstraint(constraint); - } - removeCollisionObject(body); } @@ -464,17 +464,17 @@ void btDiscreteDynamicsWorld::addRigidBody(btRigidBody* body, short group, short } -void btDiscreteDynamicsWorld::updateVehicles(btScalar timeStep) +void btDiscreteDynamicsWorld::updateActions(btScalar timeStep) { - BT_PROFILE("updateVehicles"); + BT_PROFILE("updateActions"); - for ( int i=0;i<m_vehicles.size();i++) + for ( int i=0;i<m_actions.size();i++) { - btRaycastVehicle* vehicle = m_vehicles[i]; - vehicle->updateVehicle( timeStep); + m_actions[i]->updateAction( this, timeStep); } } - + + void btDiscreteDynamicsWorld::updateActivationState(btScalar timeStep) { BT_PROFILE("updateActivationState"); @@ -529,16 +529,38 @@ void btDiscreteDynamicsWorld::removeConstraint(btTypedConstraint* constraint) constraint->getRigidBodyB().removeConstraintRef(constraint); } -void btDiscreteDynamicsWorld::addVehicle(btRaycastVehicle* vehicle) +void btDiscreteDynamicsWorld::addAction(btActionInterface* action) +{ + m_actions.push_back(action); +} + +void btDiscreteDynamicsWorld::removeAction(btActionInterface* action) +{ + m_actions.remove(action); +} + + +void btDiscreteDynamicsWorld::addVehicle(btActionInterface* vehicle) +{ + addAction(vehicle); +} + +void btDiscreteDynamicsWorld::removeVehicle(btActionInterface* vehicle) +{ + removeAction(vehicle); +} + +void btDiscreteDynamicsWorld::addCharacter(btActionInterface* character) { - m_vehicles.push_back(vehicle); + addAction(character); } -void btDiscreteDynamicsWorld::removeVehicle(btRaycastVehicle* vehicle) +void btDiscreteDynamicsWorld::removeCharacter(btActionInterface* character) { - m_vehicles.remove(vehicle); + removeAction(character); } + SIMD_FORCE_INLINE int btGetConstraintIslandId(const btTypedConstraint* lhs) { int islandId; @@ -611,8 +633,11 @@ void btDiscreteDynamicsWorld::solveConstraints(btContactSolverInfo& solverInfo) { if (islandId<0) { - ///we don't split islands, so all constraints/contact manifolds/bodies are passed into the solver regardless the island id - m_solver->solveGroup( bodies,numBodies,manifolds, numManifolds,&m_sortedConstraints[0],m_numConstraints,m_solverInfo,m_debugDrawer,m_stackAlloc,m_dispatcher); + if (numManifolds + m_numConstraints) + { + ///we don't split islands, so all constraints/contact manifolds/bodies are passed into the solver regardless the island id + m_solver->solveGroup( bodies,numBodies,manifolds, numManifolds,&m_sortedConstraints[0],m_numConstraints,m_solverInfo,m_debugDrawer,m_stackAlloc,m_dispatcher); + } } else { //also add all non-contact constraints/joints for this island @@ -658,7 +683,7 @@ void btDiscreteDynamicsWorld::solveConstraints(btContactSolverInfo& solverInfo) sortedConstraints[i] = m_constraints[i]; } -// assert(0); +// btAssert(0); @@ -671,7 +696,7 @@ void btDiscreteDynamicsWorld::solveConstraints(btContactSolverInfo& solverInfo) m_constraintSolver->prepareSolve(getCollisionWorld()->getNumCollisionObjects(), getCollisionWorld()->getDispatcher()->getNumManifolds()); /// solve all the constraints for this island - m_islandManager->buildAndProcessIslands(getCollisionWorld()->getDispatcher(),getCollisionWorld()->getCollisionObjectArray(),&solverCallback); + m_islandManager->buildAndProcessIslands(getCollisionWorld()->getDispatcher(),getCollisionWorld(),&solverCallback); m_constraintSolver->allSolved(solverInfo, m_debugDrawer, m_stackAlloc); } @@ -722,21 +747,27 @@ class btClosestNotMeConvexResultCallback : public btCollisionWorld::ClosestConve btCollisionObject* m_me; btScalar m_allowedPenetration; btOverlappingPairCache* m_pairCache; + btDispatcher* m_dispatcher; public: - btClosestNotMeConvexResultCallback (btCollisionObject* me,const btVector3& fromA,const btVector3& toA,btOverlappingPairCache* pairCache) : + btClosestNotMeConvexResultCallback (btCollisionObject* me,const btVector3& fromA,const btVector3& toA,btOverlappingPairCache* pairCache,btDispatcher* dispatcher) : btCollisionWorld::ClosestConvexResultCallback(fromA,toA), m_allowedPenetration(0.0f), m_me(me), - m_pairCache(pairCache) + m_pairCache(pairCache), + m_dispatcher(dispatcher) { } virtual btScalar addSingleResult(btCollisionWorld::LocalConvexResult& convexResult,bool normalInWorldSpace) { if (convexResult.m_hitCollisionObject == m_me) - return 1.0; + return 1.0f; + + //ignore result if there is no contact response + if(!convexResult.m_hitCollisionObject->hasContactResponse()) + return 1.0f; btVector3 linVelA,linVelB; linVelA = m_convexToWorld-m_convexFromWorld; @@ -757,23 +788,29 @@ public: return false; ///don't do CCD when the collision filters are not matching - if (!btCollisionWorld::ClosestConvexResultCallback::needsCollision(proxy0)) + if (!ClosestConvexResultCallback::needsCollision(proxy0)) return false; - ///don't do CCD when there are already contact points (touching contact/penetration) - btAlignedObjectArray<btPersistentManifold*> manifoldArray; - btBroadphasePair* collisionPair = m_pairCache->findPair(m_me->getBroadphaseHandle(),proxy0); - if (collisionPair) + btCollisionObject* otherObj = (btCollisionObject*) proxy0->m_clientObject; + + //call needsResponse, see http://code.google.com/p/bullet/issues/detail?id=179 + if (m_dispatcher->needsResponse(m_me,otherObj)) { - if (collisionPair->m_algorithm) + ///don't do CCD when there are already contact points (touching contact/penetration) + btAlignedObjectArray<btPersistentManifold*> manifoldArray; + btBroadphasePair* collisionPair = m_pairCache->findPair(m_me->getBroadphaseHandle(),proxy0); + if (collisionPair) { - manifoldArray.resize(0); - collisionPair->m_algorithm->getAllContactManifolds(manifoldArray); - for (int j=0;j<manifoldArray.size();j++) + if (collisionPair->m_algorithm) { - btPersistentManifold* manifold = manifoldArray[j]; - if (manifold->getNumContacts()>0) - return false; + manifoldArray.resize(0); + collisionPair->m_algorithm->getAllContactManifolds(manifoldArray); + for (int j=0;j<manifoldArray.size();j++) + { + btPersistentManifold* manifold = manifoldArray[j]; + if (manifold->getNumContacts()>0) + return false; + } } } } @@ -811,9 +848,13 @@ void btDiscreteDynamicsWorld::integrateTransforms(btScalar timeStep) { gNumClampedCcdMotions++; - btClosestNotMeConvexResultCallback sweepResults(body,body->getWorldTransform().getOrigin(),predictedTrans.getOrigin(),getBroadphase()->getOverlappingPairCache()); + btClosestNotMeConvexResultCallback sweepResults(body,body->getWorldTransform().getOrigin(),predictedTrans.getOrigin(),getBroadphase()->getOverlappingPairCache(),getDispatcher()); btConvexShape* convexShape = static_cast<btConvexShape*>(body->getCollisionShape()); btSphereShape tmpSphere(body->getCcdSweptSphereRadius());//btConvexShape* convexShape = static_cast<btConvexShape*>(body->getCollisionShape()); + + sweepResults.m_collisionFilterGroup = body->getBroadphaseProxy()->m_collisionFilterGroup; + sweepResults.m_collisionFilterMask = body->getBroadphaseProxy()->m_collisionFilterMask; + convexSweepTest(&tmpSphere,body->getWorldTransform(),predictedTrans,sweepResults); if (sweepResults.hasHit() && (sweepResults.m_closestHitFraction < 1.f)) { @@ -833,6 +874,8 @@ void btDiscreteDynamicsWorld::integrateTransforms(btScalar timeStep) + + void btDiscreteDynamicsWorld::predictUnconstraintMotion(btScalar timeStep) { BT_PROFILE("predictUnconstraintMotion"); @@ -844,14 +887,12 @@ void btDiscreteDynamicsWorld::predictUnconstraintMotion(btScalar timeStep) { if (!body->isStaticOrKinematicObject()) { - if (body->isActive()) - { - body->integrateVelocities( timeStep); - //damping - body->applyDamping(timeStep); + + body->integrateVelocities( timeStep); + //damping + body->applyDamping(timeStep); - body->predictIntegratedTransform(timeStep,body->getInterpolationWorldTransform()); - } + body->predictIntegratedTransform(timeStep,body->getInterpolationWorldTransform()); } } } @@ -1103,7 +1144,7 @@ void btDiscreteDynamicsWorld::debugDrawObject(const btTransform& worldTransform, { btConcaveShape* concaveMesh = (btConcaveShape*) shape; - //todo pass camera, for some culling + ///@todo pass camera, for some culling? no -> we are not a graphics lib btVector3 aabbMax(btScalar(1e30),btScalar(1e30),btScalar(1e30)); btVector3 aabbMin(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30)); @@ -1132,7 +1173,7 @@ void btDiscreteDynamicsWorld::debugDrawObject(const btTransform& worldTransform, int i; for (i=0;i<polyshape->getNumEdges();i++) { - btPoint3 a,b; + btVector3 a,b; polyshape->getEdge(i,a,b); btVector3 wa = worldTransform * a; btVector3 wb = worldTransform * b; @@ -1148,6 +1189,189 @@ void btDiscreteDynamicsWorld::debugDrawObject(const btTransform& worldTransform, } +void btDiscreteDynamicsWorld::debugDrawConstraint(btTypedConstraint* constraint) +{ + bool drawFrames = (getDebugDrawer()->getDebugMode() & btIDebugDraw::DBG_DrawConstraints) != 0; + bool drawLimits = (getDebugDrawer()->getDebugMode() & btIDebugDraw::DBG_DrawConstraintLimits) != 0; + btScalar dbgDrawSize = constraint->getDbgDrawSize(); + if(dbgDrawSize <= btScalar(0.f)) + { + return; + } + + switch(constraint->getConstraintType()) + { + case POINT2POINT_CONSTRAINT_TYPE: + { + btPoint2PointConstraint* p2pC = (btPoint2PointConstraint*)constraint; + btTransform tr; + tr.setIdentity(); + btVector3 pivot = p2pC->getPivotInA(); + pivot = p2pC->getRigidBodyA().getCenterOfMassTransform() * pivot; + tr.setOrigin(pivot); + getDebugDrawer()->drawTransform(tr, dbgDrawSize); + // that ideally should draw the same frame + pivot = p2pC->getPivotInB(); + pivot = p2pC->getRigidBodyB().getCenterOfMassTransform() * pivot; + tr.setOrigin(pivot); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + } + break; + case HINGE_CONSTRAINT_TYPE: + { + btHingeConstraint* pHinge = (btHingeConstraint*)constraint; + btTransform tr = pHinge->getRigidBodyA().getCenterOfMassTransform() * pHinge->getAFrame(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + tr = pHinge->getRigidBodyB().getCenterOfMassTransform() * pHinge->getBFrame(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + btScalar minAng = pHinge->getLowerLimit(); + btScalar maxAng = pHinge->getUpperLimit(); + if(minAng == maxAng) + { + break; + } + bool drawSect = true; + if(minAng > maxAng) + { + minAng = btScalar(0.f); + maxAng = SIMD_2_PI; + drawSect = false; + } + if(drawLimits) + { + btVector3& center = tr.getOrigin(); + btVector3 normal = tr.getBasis().getColumn(2); + btVector3 axis = tr.getBasis().getColumn(0); + getDebugDrawer()->drawArc(center, normal, axis, dbgDrawSize, dbgDrawSize, minAng, maxAng, btVector3(0,0,0), drawSect); + } + } + break; + case CONETWIST_CONSTRAINT_TYPE: + { + btConeTwistConstraint* pCT = (btConeTwistConstraint*)constraint; + btTransform tr = pCT->getRigidBodyA().getCenterOfMassTransform() * pCT->getAFrame(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + tr = pCT->getRigidBodyB().getCenterOfMassTransform() * pCT->getBFrame(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + if(drawLimits) + { + //const btScalar length = btScalar(5); + const btScalar length = dbgDrawSize; + static int nSegments = 8*4; + btScalar fAngleInRadians = btScalar(2.*3.1415926) * (btScalar)(nSegments-1)/btScalar(nSegments); + btVector3 pPrev = pCT->GetPointForAngle(fAngleInRadians, length); + pPrev = tr * pPrev; + for (int i=0; i<nSegments; i++) + { + fAngleInRadians = btScalar(2.*3.1415926) * (btScalar)i/btScalar(nSegments); + btVector3 pCur = pCT->GetPointForAngle(fAngleInRadians, length); + pCur = tr * pCur; + getDebugDrawer()->drawLine(pPrev, pCur, btVector3(0,0,0)); + + if (i%(nSegments/8) == 0) + getDebugDrawer()->drawLine(tr.getOrigin(), pCur, btVector3(0,0,0)); + + pPrev = pCur; + } + btScalar tws = pCT->getTwistSpan(); + btScalar twa = pCT->getTwistAngle(); + bool useFrameB = (pCT->getRigidBodyB().getInvMass() > btScalar(0.f)); + if(useFrameB) + { + tr = pCT->getRigidBodyB().getCenterOfMassTransform() * pCT->getBFrame(); + } + else + { + tr = pCT->getRigidBodyA().getCenterOfMassTransform() * pCT->getAFrame(); + } + btVector3 pivot = tr.getOrigin(); + btVector3 normal = tr.getBasis().getColumn(0); + btVector3 axis1 = tr.getBasis().getColumn(1); + getDebugDrawer()->drawArc(pivot, normal, axis1, dbgDrawSize, dbgDrawSize, -twa-tws, -twa+tws, btVector3(0,0,0), true); + + } + } + break; + case D6_CONSTRAINT_TYPE: + { + btGeneric6DofConstraint* p6DOF = (btGeneric6DofConstraint*)constraint; + btTransform tr = p6DOF->getCalculatedTransformA(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + tr = p6DOF->getCalculatedTransformB(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + if(drawLimits) + { + tr = p6DOF->getCalculatedTransformA(); + const btVector3& center = p6DOF->getCalculatedTransformB().getOrigin(); + btVector3 up = tr.getBasis().getColumn(2); + btVector3 axis = tr.getBasis().getColumn(0); + btScalar minTh = p6DOF->getRotationalLimitMotor(1)->m_loLimit; + btScalar maxTh = p6DOF->getRotationalLimitMotor(1)->m_hiLimit; + btScalar minPs = p6DOF->getRotationalLimitMotor(2)->m_loLimit; + btScalar maxPs = p6DOF->getRotationalLimitMotor(2)->m_hiLimit; + getDebugDrawer()->drawSpherePatch(center, up, axis, dbgDrawSize * btScalar(.9f), minTh, maxTh, minPs, maxPs, btVector3(0,0,0)); + axis = tr.getBasis().getColumn(1); + btScalar ay = p6DOF->getAngle(1); + btScalar az = p6DOF->getAngle(2); + btScalar cy = btCos(ay); + btScalar sy = btSin(ay); + btScalar cz = btCos(az); + btScalar sz = btSin(az); + btVector3 ref; + ref[0] = cy*cz*axis[0] + cy*sz*axis[1] - sy*axis[2]; + ref[1] = -sz*axis[0] + cz*axis[1]; + ref[2] = cz*sy*axis[0] + sz*sy*axis[1] + cy*axis[2]; + tr = p6DOF->getCalculatedTransformB(); + btVector3 normal = -tr.getBasis().getColumn(0); + btScalar minFi = p6DOF->getRotationalLimitMotor(0)->m_loLimit; + btScalar maxFi = p6DOF->getRotationalLimitMotor(0)->m_hiLimit; + if(minFi > maxFi) + { + getDebugDrawer()->drawArc(center, normal, ref, dbgDrawSize, dbgDrawSize, -SIMD_PI, SIMD_PI, btVector3(0,0,0), false); + } + else if(minFi < maxFi) + { + getDebugDrawer()->drawArc(center, normal, ref, dbgDrawSize, dbgDrawSize, minFi, maxFi, btVector3(0,0,0), true); + } + tr = p6DOF->getCalculatedTransformA(); + btVector3 bbMin = p6DOF->getTranslationalLimitMotor()->m_lowerLimit; + btVector3 bbMax = p6DOF->getTranslationalLimitMotor()->m_upperLimit; + getDebugDrawer()->drawBox(bbMin, bbMax, tr, btVector3(0,0,0)); + } + } + break; + case SLIDER_CONSTRAINT_TYPE: + { + btSliderConstraint* pSlider = (btSliderConstraint*)constraint; + btTransform tr = pSlider->getCalculatedTransformA(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + tr = pSlider->getCalculatedTransformB(); + if(drawFrames) getDebugDrawer()->drawTransform(tr, dbgDrawSize); + if(drawLimits) + { + btTransform tr = pSlider->getCalculatedTransformA(); + btVector3 li_min = tr * btVector3(pSlider->getLowerLinLimit(), 0.f, 0.f); + btVector3 li_max = tr * btVector3(pSlider->getUpperLinLimit(), 0.f, 0.f); + getDebugDrawer()->drawLine(li_min, li_max, btVector3(0, 0, 0)); + btVector3 normal = tr.getBasis().getColumn(0); + btVector3 axis = tr.getBasis().getColumn(1); + btScalar a_min = pSlider->getLowerAngLimit(); + btScalar a_max = pSlider->getUpperAngLimit(); + const btVector3& center = pSlider->getCalculatedTransformB().getOrigin(); + getDebugDrawer()->drawArc(center, normal, axis, dbgDrawSize, dbgDrawSize, a_min, a_max, btVector3(0,0,0), true); + } + } + break; + default : + break; + } + return; +} // btDiscreteDynamicsWorld::debugDrawConstraint() + + + + + void btDiscreteDynamicsWorld::setConstraintSolver(btConstraintSolver* solver) { if (m_ownsConstraintSolver) @@ -1176,3 +1400,5 @@ const btTypedConstraint* btDiscreteDynamicsWorld::getConstraint(int index) const { return m_constraints[index]; } + + |