99acec63f1
This updates our local copy to commit 5ec8339b6fc491e3f09a34a4516e82787f053fcc. We need a recent master commit for some new features that we use in Godot (see #25543 and #28909). To avoid warnings generated by Bullet headers included in our own module, we include those headers with -isystem on GCC and Clang. Fixes #29503.
323 lines
20 KiB
C++
323 lines
20 KiB
C++
/*
|
|
Bullet Continuous Collision Detection and Physics Library
|
|
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
|
|
|
|
This software is provided 'as-is', without any express or implied warranty.
|
|
In no event will the authors be held liable for any damages arising from the use of this software.
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it freely,
|
|
subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
#ifndef BT_SEQUENTIAL_IMPULSE_CONSTRAINT_SOLVER_H
|
|
#define BT_SEQUENTIAL_IMPULSE_CONSTRAINT_SOLVER_H
|
|
|
|
class btIDebugDraw;
|
|
class btPersistentManifold;
|
|
class btDispatcher;
|
|
class btCollisionObject;
|
|
#include "BulletDynamics/ConstraintSolver/btTypedConstraint.h"
|
|
#include "BulletDynamics/ConstraintSolver/btContactSolverInfo.h"
|
|
#include "BulletDynamics/ConstraintSolver/btSolverBody.h"
|
|
#include "BulletDynamics/ConstraintSolver/btSolverConstraint.h"
|
|
#include "BulletCollision/NarrowPhaseCollision/btManifoldPoint.h"
|
|
#include "BulletDynamics/ConstraintSolver/btConstraintSolver.h"
|
|
|
|
typedef btScalar (*btSingleConstraintRowSolver)(btSolverBody&, btSolverBody&, const btSolverConstraint&);
|
|
|
|
struct btSISolverSingleIterationData
|
|
{
|
|
btAlignedObjectArray<btSolverBody>& m_tmpSolverBodyPool;
|
|
btConstraintArray& m_tmpSolverContactConstraintPool;
|
|
btConstraintArray& m_tmpSolverNonContactConstraintPool;
|
|
btConstraintArray& m_tmpSolverContactFrictionConstraintPool;
|
|
btConstraintArray& m_tmpSolverContactRollingFrictionConstraintPool;
|
|
|
|
btAlignedObjectArray<int>& m_orderTmpConstraintPool;
|
|
btAlignedObjectArray<int>& m_orderNonContactConstraintPool;
|
|
btAlignedObjectArray<int>& m_orderFrictionConstraintPool;
|
|
btAlignedObjectArray<btTypedConstraint::btConstraintInfo1>& m_tmpConstraintSizesPool;
|
|
unsigned long& m_seed;
|
|
|
|
btSingleConstraintRowSolver& m_resolveSingleConstraintRowGeneric;
|
|
btSingleConstraintRowSolver& m_resolveSingleConstraintRowLowerLimit;
|
|
btSingleConstraintRowSolver& m_resolveSplitPenetrationImpulse;
|
|
btAlignedObjectArray<int>& m_kinematicBodyUniqueIdToSolverBodyTable;
|
|
int& m_fixedBodyId;
|
|
int& m_maxOverrideNumSolverIterations;
|
|
int getOrInitSolverBody(btCollisionObject & body, btScalar timeStep);
|
|
static void initSolverBody(btSolverBody * solverBody, btCollisionObject * collisionObject, btScalar timeStep);
|
|
int getSolverBody(btCollisionObject& body) const;
|
|
|
|
|
|
btSISolverSingleIterationData(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool,
|
|
btConstraintArray& tmpSolverContactConstraintPool,
|
|
btConstraintArray& tmpSolverNonContactConstraintPool,
|
|
btConstraintArray& tmpSolverContactFrictionConstraintPool,
|
|
btConstraintArray& tmpSolverContactRollingFrictionConstraintPool,
|
|
btAlignedObjectArray<int>& orderTmpConstraintPool,
|
|
btAlignedObjectArray<int>& orderNonContactConstraintPool,
|
|
btAlignedObjectArray<int>& orderFrictionConstraintPool,
|
|
btAlignedObjectArray<btTypedConstraint::btConstraintInfo1>& tmpConstraintSizesPool,
|
|
btSingleConstraintRowSolver& resolveSingleConstraintRowGeneric,
|
|
btSingleConstraintRowSolver& resolveSingleConstraintRowLowerLimit,
|
|
btSingleConstraintRowSolver& resolveSplitPenetrationImpulse,
|
|
btAlignedObjectArray<int>& kinematicBodyUniqueIdToSolverBodyTable,
|
|
unsigned long& seed,
|
|
int& fixedBodyId,
|
|
int& maxOverrideNumSolverIterations
|
|
)
|
|
:m_tmpSolverBodyPool(tmpSolverBodyPool),
|
|
m_tmpSolverContactConstraintPool(tmpSolverContactConstraintPool),
|
|
m_tmpSolverNonContactConstraintPool(tmpSolverNonContactConstraintPool),
|
|
m_tmpSolverContactFrictionConstraintPool(tmpSolverContactFrictionConstraintPool),
|
|
m_tmpSolverContactRollingFrictionConstraintPool(tmpSolverContactRollingFrictionConstraintPool),
|
|
m_orderTmpConstraintPool(orderTmpConstraintPool),
|
|
m_orderNonContactConstraintPool(orderNonContactConstraintPool),
|
|
m_orderFrictionConstraintPool(orderFrictionConstraintPool),
|
|
m_tmpConstraintSizesPool(tmpConstraintSizesPool),
|
|
m_seed(seed),
|
|
m_resolveSingleConstraintRowGeneric(resolveSingleConstraintRowGeneric),
|
|
m_resolveSingleConstraintRowLowerLimit(resolveSingleConstraintRowLowerLimit),
|
|
m_resolveSplitPenetrationImpulse(resolveSplitPenetrationImpulse),
|
|
m_kinematicBodyUniqueIdToSolverBodyTable(kinematicBodyUniqueIdToSolverBodyTable),
|
|
m_fixedBodyId(fixedBodyId),
|
|
m_maxOverrideNumSolverIterations(maxOverrideNumSolverIterations)
|
|
{
|
|
}
|
|
};
|
|
|
|
struct btSolverAnalyticsData
|
|
{
|
|
btSolverAnalyticsData()
|
|
{
|
|
m_numSolverCalls = 0;
|
|
m_numIterationsUsed = -1;
|
|
m_remainingLeastSquaresResidual = -1;
|
|
m_islandId = -2;
|
|
}
|
|
int m_islandId;
|
|
int m_numBodies;
|
|
int m_numContactManifolds;
|
|
int m_numSolverCalls;
|
|
int m_numIterationsUsed;
|
|
double m_remainingLeastSquaresResidual;
|
|
};
|
|
|
|
///The btSequentialImpulseConstraintSolver is a fast SIMD implementation of the Projected Gauss Seidel (iterative LCP) method.
|
|
ATTRIBUTE_ALIGNED16(class)
|
|
btSequentialImpulseConstraintSolver : public btConstraintSolver
|
|
{
|
|
|
|
|
|
protected:
|
|
btAlignedObjectArray<btSolverBody> m_tmpSolverBodyPool;
|
|
btConstraintArray m_tmpSolverContactConstraintPool;
|
|
btConstraintArray m_tmpSolverNonContactConstraintPool;
|
|
btConstraintArray m_tmpSolverContactFrictionConstraintPool;
|
|
btConstraintArray m_tmpSolverContactRollingFrictionConstraintPool;
|
|
|
|
btAlignedObjectArray<int> m_orderTmpConstraintPool;
|
|
btAlignedObjectArray<int> m_orderNonContactConstraintPool;
|
|
btAlignedObjectArray<int> m_orderFrictionConstraintPool;
|
|
btAlignedObjectArray<btTypedConstraint::btConstraintInfo1> m_tmpConstraintSizesPool;
|
|
int m_maxOverrideNumSolverIterations;
|
|
int m_fixedBodyId;
|
|
// When running solvers on multiple threads, a race condition exists for Kinematic objects that
|
|
// participate in more than one solver.
|
|
// The getOrInitSolverBody() function writes the companionId of each body (storing the index of the solver body
|
|
// for the current solver). For normal dynamic bodies it isn't an issue because they can only be in one island
|
|
// (and therefore one thread) at a time. But kinematic bodies can be in multiple islands at once.
|
|
// To avoid this race condition, this solver does not write the companionId, instead it stores the solver body
|
|
// index in this solver-local table, indexed by the uniqueId of the body.
|
|
btAlignedObjectArray<int> m_kinematicBodyUniqueIdToSolverBodyTable; // only used for multithreading
|
|
|
|
btSingleConstraintRowSolver m_resolveSingleConstraintRowGeneric;
|
|
btSingleConstraintRowSolver m_resolveSingleConstraintRowLowerLimit;
|
|
btSingleConstraintRowSolver m_resolveSplitPenetrationImpulse;
|
|
int m_cachedSolverMode; // used to check if SOLVER_SIMD flag has been changed
|
|
void setupSolverFunctions(bool useSimd);
|
|
|
|
btScalar m_leastSquaresResidual;
|
|
|
|
void setupFrictionConstraint(btSolverConstraint & solverConstraint, const btVector3& normalAxis, int solverBodyIdA, int solverBodyIdB,
|
|
btManifoldPoint& cp, const btVector3& rel_pos1, const btVector3& rel_pos2,
|
|
btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation,
|
|
const btContactSolverInfo& infoGlobal,
|
|
btScalar desiredVelocity = 0., btScalar cfmSlip = 0.);
|
|
|
|
void setupTorsionalFrictionConstraint(btSolverConstraint & solverConstraint, const btVector3& normalAxis, int solverBodyIdA, int solverBodyIdB,
|
|
btManifoldPoint& cp, btScalar combinedTorsionalFriction, const btVector3& rel_pos1, const btVector3& rel_pos2,
|
|
btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation,
|
|
btScalar desiredVelocity = 0., btScalar cfmSlip = 0.);
|
|
|
|
btSolverConstraint& addFrictionConstraint(const btVector3& normalAxis, int solverBodyIdA, int solverBodyIdB, int frictionIndex, btManifoldPoint& cp, const btVector3& rel_pos1, const btVector3& rel_pos2, btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity = 0., btScalar cfmSlip = 0.);
|
|
btSolverConstraint& addTorsionalFrictionConstraint(const btVector3& normalAxis, int solverBodyIdA, int solverBodyIdB, int frictionIndex, btManifoldPoint& cp, btScalar torsionalFriction, const btVector3& rel_pos1, const btVector3& rel_pos2, btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, btScalar desiredVelocity = 0, btScalar cfmSlip = 0.f);
|
|
|
|
void setupContactConstraint(btSolverConstraint & solverConstraint, int solverBodyIdA, int solverBodyIdB, btManifoldPoint& cp,
|
|
const btContactSolverInfo& infoGlobal, btScalar& relaxation, const btVector3& rel_pos1, const btVector3& rel_pos2);
|
|
|
|
static void applyAnisotropicFriction(btCollisionObject * colObj, btVector3 & frictionDirection, int frictionMode);
|
|
|
|
void setFrictionConstraintImpulse(btSolverConstraint & solverConstraint, int solverBodyIdA, int solverBodyIdB,
|
|
btManifoldPoint& cp, const btContactSolverInfo& infoGlobal);
|
|
|
|
///m_btSeed2 is used for re-arranging the constraint rows. improves convergence/quality of friction
|
|
unsigned long m_btSeed2;
|
|
|
|
btScalar restitutionCurve(btScalar rel_vel, btScalar restitution, btScalar velocityThreshold);
|
|
|
|
virtual void convertContacts(btPersistentManifold * *manifoldPtr, int numManifolds, const btContactSolverInfo& infoGlobal);
|
|
|
|
void convertContact(btPersistentManifold * manifold, const btContactSolverInfo& infoGlobal);
|
|
|
|
virtual void convertJoints(btTypedConstraint * *constraints, int numConstraints, const btContactSolverInfo& infoGlobal);
|
|
void convertJoint(btSolverConstraint * currentConstraintRow, btTypedConstraint * constraint, const btTypedConstraint::btConstraintInfo1& info1, int solverBodyIdA, int solverBodyIdB, const btContactSolverInfo& infoGlobal);
|
|
|
|
|
|
virtual void convertBodies(btCollisionObject * *bodies, int numBodies, const btContactSolverInfo& infoGlobal);
|
|
|
|
btScalar resolveSplitPenetrationSIMD(btSolverBody & bodyA, btSolverBody & bodyB, const btSolverConstraint& contactConstraint)
|
|
{
|
|
return m_resolveSplitPenetrationImpulse(bodyA, bodyB, contactConstraint);
|
|
}
|
|
|
|
btScalar resolveSplitPenetrationImpulseCacheFriendly(btSolverBody & bodyA, btSolverBody & bodyB, const btSolverConstraint& contactConstraint)
|
|
{
|
|
return m_resolveSplitPenetrationImpulse(bodyA, bodyB, contactConstraint);
|
|
}
|
|
|
|
//internal method
|
|
int getOrInitSolverBody(btCollisionObject & body, btScalar timeStep);
|
|
void initSolverBody(btSolverBody * solverBody, btCollisionObject * collisionObject, btScalar timeStep);
|
|
|
|
btScalar resolveSingleConstraintRowGeneric(btSolverBody & bodyA, btSolverBody & bodyB, const btSolverConstraint& contactConstraint);
|
|
btScalar resolveSingleConstraintRowGenericSIMD(btSolverBody & bodyA, btSolverBody & bodyB, const btSolverConstraint& contactConstraint);
|
|
btScalar resolveSingleConstraintRowLowerLimit(btSolverBody & bodyA, btSolverBody & bodyB, const btSolverConstraint& contactConstraint);
|
|
btScalar resolveSingleConstraintRowLowerLimitSIMD(btSolverBody & bodyA, btSolverBody & bodyB, const btSolverConstraint& contactConstraint);
|
|
btScalar resolveSplitPenetrationImpulse(btSolverBody & bodyA, btSolverBody & bodyB, const btSolverConstraint& contactConstraint)
|
|
{
|
|
return m_resolveSplitPenetrationImpulse(bodyA, bodyB, contactConstraint);
|
|
}
|
|
|
|
public:
|
|
|
|
void writeBackContacts(int iBegin, int iEnd, const btContactSolverInfo& infoGlobal);
|
|
void writeBackJoints(int iBegin, int iEnd, const btContactSolverInfo& infoGlobal);
|
|
void writeBackBodies(int iBegin, int iEnd, const btContactSolverInfo& infoGlobal);
|
|
virtual void solveGroupCacheFriendlySplitImpulseIterations(btCollisionObject * *bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal, btIDebugDraw* debugDrawer);
|
|
virtual btScalar solveGroupCacheFriendlyFinish(btCollisionObject * *bodies, int numBodies, const btContactSolverInfo& infoGlobal);
|
|
virtual btScalar solveSingleIteration(int iteration, btCollisionObject** bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal, btIDebugDraw* debugDrawer);
|
|
|
|
|
|
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);
|
|
|
|
public:
|
|
BT_DECLARE_ALIGNED_ALLOCATOR();
|
|
|
|
btSequentialImpulseConstraintSolver();
|
|
virtual ~btSequentialImpulseConstraintSolver();
|
|
|
|
virtual btScalar solveGroup(btCollisionObject * *bodies, int numBodies, btPersistentManifold** manifold, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& info, btIDebugDraw* debugDrawer, btDispatcher* dispatcher);
|
|
|
|
static btScalar solveSingleIterationInternal(btSISolverSingleIterationData& siData, int iteration, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal);
|
|
static void convertBodiesInternal(btSISolverSingleIterationData& siData, btCollisionObject** bodies, int numBodies, const btContactSolverInfo& infoGlobal);
|
|
static void convertJointsInternal(btSISolverSingleIterationData& siData, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal);
|
|
static void convertContactInternal(btSISolverSingleIterationData& siData, btPersistentManifold * manifold, const btContactSolverInfo& infoGlobal);
|
|
static void setupContactConstraintInternal(btSISolverSingleIterationData& siData, btSolverConstraint& solverConstraint, int solverBodyIdA, int solverBodyIdB, btManifoldPoint& cp, const btContactSolverInfo& infoGlobal, btScalar& relaxation,
|
|
const btVector3& rel_pos1, const btVector3& rel_pos2);
|
|
static btScalar restitutionCurveInternal(btScalar rel_vel, btScalar restitution, btScalar velocityThreshold);
|
|
static btSolverConstraint& addTorsionalFrictionConstraintInternal(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool, btConstraintArray& tmpSolverContactRollingFrictionConstraintPool, const btVector3& normalAxis, int solverBodyIdA, int solverBodyIdB, int frictionIndex, btManifoldPoint& cp, btScalar combinedTorsionalFriction, const btVector3& rel_pos1, const btVector3& rel_pos2, btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, btScalar desiredVelocity = 0, btScalar cfmSlip = 0.);
|
|
static void setupTorsionalFrictionConstraintInternal(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool, btSolverConstraint& solverConstraint, const btVector3& normalAxis1, int solverBodyIdA, int solverBodyIdB,
|
|
btManifoldPoint& cp, btScalar combinedTorsionalFriction, const btVector3& rel_pos1, const btVector3& rel_pos2,
|
|
btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation,
|
|
btScalar desiredVelocity, btScalar cfmSlip);
|
|
static void setupFrictionConstraintInternal(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool, btSolverConstraint& solverConstraint, const btVector3& normalAxis, int solverBodyIdA, int solverBodyIdB, btManifoldPoint& cp, const btVector3& rel_pos1, const btVector3& rel_pos2, btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity, btScalar cfmSlip);
|
|
static btSolverConstraint& addFrictionConstraintInternal(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool, btConstraintArray& tmpSolverContactFrictionConstraintPool, const btVector3& normalAxis, int solverBodyIdA, int solverBodyIdB, int frictionIndex, btManifoldPoint& cp, const btVector3& rel_pos1, const btVector3& rel_pos2, btCollisionObject* colObj0, btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity = 0., btScalar cfmSlip = 0.);
|
|
static void setFrictionConstraintImpulseInternal(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool, btConstraintArray& tmpSolverContactFrictionConstraintPool,
|
|
|
|
btSolverConstraint& solverConstraint,
|
|
int solverBodyIdA, int solverBodyIdB,
|
|
btManifoldPoint& cp, const btContactSolverInfo& infoGlobal);
|
|
static void convertJointInternal(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool,
|
|
int& maxOverrideNumSolverIterations,
|
|
btSolverConstraint* currentConstraintRow,
|
|
btTypedConstraint* constraint,
|
|
const btTypedConstraint::btConstraintInfo1& info1,
|
|
int solverBodyIdA,
|
|
int solverBodyIdB,
|
|
const btContactSolverInfo& infoGlobal);
|
|
|
|
static btScalar solveGroupCacheFriendlyFinishInternal(btSISolverSingleIterationData& siData, btCollisionObject** bodies, int numBodies, const btContactSolverInfo& infoGlobal);
|
|
|
|
static void writeBackContactsInternal(btConstraintArray& tmpSolverContactConstraintPool, btConstraintArray& tmpSolverContactFrictionConstraintPool, int iBegin, int iEnd, const btContactSolverInfo& infoGlobal);
|
|
|
|
static void writeBackJointsInternal(btConstraintArray& tmpSolverNonContactConstraintPool, int iBegin, int iEnd, const btContactSolverInfo& infoGlobal);
|
|
static void writeBackBodiesInternal(btAlignedObjectArray<btSolverBody>& tmpSolverBodyPool, int iBegin, int iEnd, const btContactSolverInfo& infoGlobal);
|
|
static void solveGroupCacheFriendlySplitImpulseIterationsInternal(btSISolverSingleIterationData& siData, btCollisionObject** bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal, btIDebugDraw* debugDrawer);
|
|
|
|
|
|
///clear internal cached data and reset random seed
|
|
virtual void reset();
|
|
|
|
unsigned long btRand2();
|
|
int btRandInt2(int n);
|
|
|
|
static unsigned long btRand2a(unsigned long& seed);
|
|
static int btRandInt2a(int n, unsigned long& seed);
|
|
|
|
void setRandSeed(unsigned long seed)
|
|
{
|
|
m_btSeed2 = seed;
|
|
}
|
|
unsigned long getRandSeed() const
|
|
{
|
|
return m_btSeed2;
|
|
}
|
|
|
|
virtual btConstraintSolverType getSolverType() const
|
|
{
|
|
return BT_SEQUENTIAL_IMPULSE_SOLVER;
|
|
}
|
|
|
|
btSingleConstraintRowSolver getActiveConstraintRowSolverGeneric()
|
|
{
|
|
return m_resolveSingleConstraintRowGeneric;
|
|
}
|
|
void setConstraintRowSolverGeneric(btSingleConstraintRowSolver rowSolver)
|
|
{
|
|
m_resolveSingleConstraintRowGeneric = rowSolver;
|
|
}
|
|
btSingleConstraintRowSolver getActiveConstraintRowSolverLowerLimit()
|
|
{
|
|
return m_resolveSingleConstraintRowLowerLimit;
|
|
}
|
|
void setConstraintRowSolverLowerLimit(btSingleConstraintRowSolver rowSolver)
|
|
{
|
|
m_resolveSingleConstraintRowLowerLimit = rowSolver;
|
|
}
|
|
|
|
|
|
|
|
///Various implementations of solving a single constraint row using a generic equality constraint, using scalar reference, SSE2 or SSE4
|
|
static btSingleConstraintRowSolver getScalarConstraintRowSolverGeneric();
|
|
static btSingleConstraintRowSolver getSSE2ConstraintRowSolverGeneric();
|
|
static btSingleConstraintRowSolver getSSE4_1ConstraintRowSolverGeneric();
|
|
|
|
///Various implementations of solving a single constraint row using an inequality (lower limit) constraint, using scalar reference, SSE2 or SSE4
|
|
static btSingleConstraintRowSolver getScalarConstraintRowSolverLowerLimit();
|
|
static btSingleConstraintRowSolver getSSE2ConstraintRowSolverLowerLimit();
|
|
static btSingleConstraintRowSolver getSSE4_1ConstraintRowSolverLowerLimit();
|
|
|
|
static btSingleConstraintRowSolver getScalarSplitPenetrationImpulseGeneric();
|
|
static btSingleConstraintRowSolver getSSE2SplitPenetrationImpulseGeneric();
|
|
|
|
btSolverAnalyticsData m_analyticsData;
|
|
};
|
|
|
|
#endif //BT_SEQUENTIAL_IMPULSE_CONSTRAINT_SOLVER_H
|