diff options
Diffstat (limited to 'extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyConstraintSolver.h')
| -rw-r--r-- | extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyConstraintSolver.h | 108 |
1 files changed, 61 insertions, 47 deletions
diff --git a/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyConstraintSolver.h b/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyConstraintSolver.h index 321ee4231a3..f584360e2b6 100644 --- a/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyConstraintSolver.h +++ b/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyConstraintSolver.h @@ -25,63 +25,77 @@ class btMultiBody; #include "btMultiBodyConstraint.h" - - -ATTRIBUTE_ALIGNED16(class) btMultiBodyConstraintSolver : public btSequentialImpulseConstraintSolver +ATTRIBUTE_ALIGNED16(class) +btMultiBodyConstraintSolver : public btSequentialImpulseConstraintSolver { - protected: + btMultiBodyConstraintArray m_multiBodyNonContactConstraints; - btMultiBodyConstraintArray m_multiBodyNonContactConstraints; + btMultiBodyConstraintArray m_multiBodyNormalContactConstraints; + btMultiBodyConstraintArray m_multiBodyFrictionContactConstraints; + btMultiBodyConstraintArray m_multiBodyTorsionalFrictionContactConstraints; + btMultiBodyConstraintArray m_multiBodySpinningFrictionContactConstraints; - btMultiBodyConstraintArray m_multiBodyNormalContactConstraints; - btMultiBodyConstraintArray m_multiBodyFrictionContactConstraints; + btMultiBodyJacobianData m_data; - btMultiBodyJacobianData m_data; - //temp storage for multi body constraints for a specific island/group called by 'solveGroup' - btMultiBodyConstraint** m_tmpMultiBodyConstraints; - int m_tmpNumMultiBodyConstraints; - - void resolveSingleConstraintRowGeneric(const btMultiBodySolverConstraint& c); - - - void convertContacts(btPersistentManifold** manifoldPtr,int numManifolds, const btContactSolverInfo& infoGlobal); - btMultiBodySolverConstraint& addMultiBodyFrictionConstraint(const btVector3& normalAxis,btPersistentManifold* manifold,int frictionIndex,btManifoldPoint& cp,btCollisionObject* colObj0,btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity=0, btScalar cfmSlip=0); - - - void setupMultiBodyJointLimitConstraint(btMultiBodySolverConstraint& constraintRow, - btScalar* jacA,btScalar* jacB, - btScalar penetration,btScalar combinedFrictionCoeff, btScalar combinedRestitutionCoeff, - const btContactSolverInfo& infoGlobal); + btMultiBodyConstraint** m_tmpMultiBodyConstraints; + int m_tmpNumMultiBodyConstraints; + + btScalar resolveSingleConstraintRowGeneric(const btMultiBodySolverConstraint& c); + + //solve 2 friction directions and clamp against the implicit friction cone + btScalar resolveConeFrictionConstraintRows(const btMultiBodySolverConstraint& cA1, const btMultiBodySolverConstraint& cB); + + void convertContacts(btPersistentManifold * *manifoldPtr, int numManifolds, const btContactSolverInfo& infoGlobal); + + btMultiBodySolverConstraint& addMultiBodyFrictionConstraint(const btVector3& normalAxis, const btScalar& appliedImpulse, btPersistentManifold* manifold, int frictionIndex, btManifoldPoint& cp, btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity = 0, btScalar cfmSlip = 0); + + btMultiBodySolverConstraint& addMultiBodyTorsionalFrictionConstraint(const btVector3& normalAxis, btPersistentManifold* manifold, int frictionIndex, btManifoldPoint& cp, + btScalar combinedTorsionalFriction, + btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity = 0, btScalar cfmSlip = 0); + + btMultiBodySolverConstraint& addMultiBodySpinningFrictionConstraint(const btVector3& normalAxis, btPersistentManifold* manifold, int frictionIndex, btManifoldPoint& cp, + btScalar combinedTorsionalFriction, + btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity = 0, btScalar cfmSlip = 0); + + void setupMultiBodyJointLimitConstraint(btMultiBodySolverConstraint & constraintRow, + btScalar * jacA, btScalar * jacB, + btScalar penetration, btScalar combinedFrictionCoeff, btScalar combinedRestitutionCoeff, + const btContactSolverInfo& infoGlobal); + + void setupMultiBodyContactConstraint(btMultiBodySolverConstraint & solverConstraint, + const btVector3& contactNormal, + const btScalar& appliedImpulse, + btManifoldPoint& cp, + const btContactSolverInfo& infoGlobal, + btScalar& relaxation, + bool isFriction, btScalar desiredVelocity = 0, btScalar cfmSlip = 0); + + //either rolling or spinning friction + void setupMultiBodyTorsionalFrictionConstraint(btMultiBodySolverConstraint & solverConstraint, + const btVector3& contactNormal, + btManifoldPoint& cp, + btScalar combinedTorsionalFriction, + const btContactSolverInfo& infoGlobal, + btScalar& relaxation, + bool isFriction, btScalar desiredVelocity = 0, btScalar cfmSlip = 0); + + void convertMultiBodyContact(btPersistentManifold * manifold, const btContactSolverInfo& infoGlobal); + virtual btScalar solveGroupCacheFriendlySetup(btCollisionObject * *bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal, btIDebugDraw* debugDrawer); + // virtual btScalar solveGroupCacheFriendlyIterations(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); + virtual btScalar solveSingleIteration(int iteration, btCollisionObject** bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal, btIDebugDraw* debugDrawer); + void applyDeltaVee(btScalar * deltaV, btScalar impulse, int velocityIndex, int ndof); + void writeBackSolverBodyToMultiBody(btMultiBodySolverConstraint & constraint, btScalar deltaTime); - void setupMultiBodyContactConstraint(btMultiBodySolverConstraint& solverConstraint, - const btVector3& contactNormal, - btManifoldPoint& cp, const btContactSolverInfo& infoGlobal, - btScalar& relaxation, - bool isFriction, btScalar desiredVelocity=0, btScalar cfmSlip=0); - - void convertMultiBodyContact(btPersistentManifold* manifold,const btContactSolverInfo& infoGlobal); - virtual btScalar solveGroupCacheFriendlySetup(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); -// virtual btScalar solveGroupCacheFriendlyIterations(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); - - virtual btScalar solveSingleIteration(int iteration, btCollisionObject** bodies ,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); - void applyDeltaVee(btScalar* deltaV, btScalar impulse, int velocityIndex, int ndof); - void writeBackSolverBodyToMultiBody(btMultiBodySolverConstraint& constraint, btScalar deltaTime); public: - BT_DECLARE_ALIGNED_ALLOCATOR(); ///this method should not be called, it was just used during porting/integration of Featherstone btMultiBody, providing backwards compatibility but no support for btMultiBodyConstraint (only contact constraints) - virtual btScalar solveGroup(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifold,int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& info, btIDebugDraw* debugDrawer,btDispatcher* dispatcher); - virtual btScalar solveGroupCacheFriendlyFinish(btCollisionObject** bodies,int numBodies,const btContactSolverInfo& infoGlobal); - - virtual void solveMultiBodyGroup(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifold,int numManifolds,btTypedConstraint** constraints,int numConstraints,btMultiBodyConstraint** multiBodyConstraints, int numMultiBodyConstraints, const btContactSolverInfo& info, btIDebugDraw* debugDrawer,btDispatcher* dispatcher); -}; + virtual btScalar solveGroup(btCollisionObject * *bodies, int numBodies, btPersistentManifold** manifold, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& info, btIDebugDraw* debugDrawer, btDispatcher* dispatcher); + virtual btScalar solveGroupCacheFriendlyFinish(btCollisionObject * *bodies, int numBodies, const btContactSolverInfo& infoGlobal); - - - - -#endif //BT_MULTIBODY_CONSTRAINT_SOLVER_H + virtual void solveMultiBodyGroup(btCollisionObject * *bodies, int numBodies, btPersistentManifold** manifold, int numManifolds, btTypedConstraint** constraints, int numConstraints, btMultiBodyConstraint** multiBodyConstraints, int numMultiBodyConstraints, const btContactSolverInfo& info, btIDebugDraw* debugDrawer, btDispatcher* dispatcher); +}; +#endif //BT_MULTIBODY_CONSTRAINT_SOLVER_H |