Blender V5.0
Public Types | Public Member Functions | Public Attributes | List of all members
btDeformableLagrangianForce Class Referenceabstract

#include <btDeformableLagrangianForce.h>

Inherited by btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

Public Types

typedef btAlignedObjectArray< btVector3 > TVStack

Public Member Functions

 btDeformableLagrangianForce ()
virtual ~btDeformableLagrangianForce ()
virtual void addScaledForces (btScalar scale, TVStack &force)=0
virtual void addScaledDampingForceDifferential (btScalar scale, const TVStack &dv, TVStack &df)=0
virtual void buildDampingForceDifferentialDiagonal (btScalar scale, TVStack &diagA)=0
virtual void addScaledElasticForceDifferential (btScalar scale, const TVStack &dx, TVStack &df)=0
virtual void addScaledExplicitForce (btScalar scale, TVStack &force)=0
virtual void addScaledDampingForce (btScalar scale, TVStack &force)=0
virtual void addScaledHessian (btScalar scale)
virtual btDeformableLagrangianForceType getForceType ()=0
virtual void reinitialize (bool nodeUpdated)
virtual int getNumNodes ()
virtual void addSoftBody (btSoftBody *psb)
virtual void removeSoftBody (btSoftBody *psb)
virtual void setIndices (const btAlignedObjectArray< btSoftBody::Node * > *nodes)
virtual btMatrix3x3 Ds (int id0, int id1, int id2, int id3, const TVStack &dx)
virtual btMatrix3x3 DsFromVelocity (const btSoftBody::Node *n0, const btSoftBody::Node *n1, const btSoftBody::Node *n2, const btSoftBody::Node *n3)
virtual void testDerivative ()
virtual void testHessian ()
virtual double totalElasticEnergy (btScalar dt)
virtual double totalDampingEnergy (btScalar dt)
virtual double totalEnergy (btScalar dt)

Public Attributes

btAlignedObjectArray< btSoftBody * > m_softBodies
const btAlignedObjectArray< btSoftBody::Node * > * m_nodes

Detailed Description

Definition at line 38 of file btDeformableLagrangianForce.h.

Member Typedef Documentation

◆ TVStack

typedef btAlignedObjectArray<btVector3> btDeformableLagrangianForce::TVStack

Definition at line 41 of file btDeformableLagrangianForce.h.

Constructor & Destructor Documentation

◆ btDeformableLagrangianForce()

btDeformableLagrangianForce::btDeformableLagrangianForce ( )
inline

Definition at line 45 of file btDeformableLagrangianForce.h.

◆ ~btDeformableLagrangianForce()

virtual btDeformableLagrangianForce::~btDeformableLagrangianForce ( )
inlinevirtual

Definition at line 49 of file btDeformableLagrangianForce.h.

Member Function Documentation

◆ addScaledDampingForce()

virtual void btDeformableLagrangianForce::addScaledDampingForce ( btScalar scale,
TVStack & force )
pure virtual

Implemented in btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

◆ addScaledDampingForceDifferential()

virtual void btDeformableLagrangianForce::addScaledDampingForceDifferential ( btScalar scale,
const TVStack & dv,
TVStack & df )
pure virtual

Implemented in btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

◆ addScaledElasticForceDifferential()

virtual void btDeformableLagrangianForce::addScaledElasticForceDifferential ( btScalar scale,
const TVStack & dx,
TVStack & df )
pure virtual

Implemented in btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

Referenced by testHessian().

◆ addScaledExplicitForce()

virtual void btDeformableLagrangianForce::addScaledExplicitForce ( btScalar scale,
TVStack & force )
pure virtual

Implemented in btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

◆ addScaledForces()

virtual void btDeformableLagrangianForce::addScaledForces ( btScalar scale,
TVStack & force )
pure virtual

Implemented in btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

Referenced by testDerivative(), and testHessian().

◆ addScaledHessian()

virtual void btDeformableLagrangianForce::addScaledHessian ( btScalar scale)
inlinevirtual

Reimplemented in btDeformableLinearElasticityForce.

Definition at line 69 of file btDeformableLagrangianForce.h.

◆ addSoftBody()

virtual void btDeformableLagrangianForce::addSoftBody ( btSoftBody * psb)
inlinevirtual

Definition at line 89 of file btDeformableLagrangianForce.h.

References m_softBodies.

Referenced by btDeformableMultiBodyDynamicsWorld::addForce().

◆ buildDampingForceDifferentialDiagonal()

virtual void btDeformableLagrangianForce::buildDampingForceDifferentialDiagonal ( btScalar scale,
TVStack & diagA )
pure virtual

Implemented in btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

◆ Ds()

virtual btMatrix3x3 btDeformableLagrangianForce::Ds ( int id0,
int id1,
int id2,
int id3,
const TVStack & dx )
inlinevirtual

Definition at line 105 of file btDeformableLagrangianForce.h.

References btMatrix3x3, and btVector3.

Referenced by btDeformableLinearElasticityForce::addScaledDampingForceDifferential(), btDeformableNeoHookeanForce::addScaledDampingForceDifferential(), btDeformableLinearElasticityForce::addScaledElasticForceDifferential(), and btDeformableNeoHookeanForce::addScaledElasticForceDifferential().

◆ DsFromVelocity()

virtual btMatrix3x3 btDeformableLagrangianForce::DsFromVelocity ( const btSoftBody::Node * n0,
const btSoftBody::Node * n1,
const btSoftBody::Node * n2,
const btSoftBody::Node * n3 )
inlinevirtual

Definition at line 114 of file btDeformableLagrangianForce.h.

References btMatrix3x3, btVector3, and btSoftBody::Node::m_v.

Referenced by btDeformableLinearElasticityForce::addScaledDampingForce(), and btDeformableNeoHookeanForce::addScaledDampingForce().

◆ getForceType()

virtual btDeformableLagrangianForceType btDeformableLagrangianForce::getForceType ( )
pure virtual

Implemented in btDeformableCorotatedForce, btDeformableGravityForce, btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

Referenced by btDeformableMultiBodyDynamicsWorld::addForce(), and btDeformableMultiBodyDynamicsWorld::removeForce().

◆ getNumNodes()

virtual int btDeformableLagrangianForce::getNumNodes ( )
inlinevirtual

Definition at line 78 of file btDeformableLagrangianForce.h.

References i, and m_softBodies.

Referenced by btDeformableLinearElasticityForce::addScaledDampingForce(), btDeformableMassSpringForce::addScaledDampingForce(), btDeformableNeoHookeanForce::addScaledDampingForce(), btDeformableLinearElasticityForce::addScaledDampingForceDifferential(), btDeformableNeoHookeanForce::addScaledDampingForceDifferential(), btDeformableCorotatedForce::addScaledElasticForce(), btDeformableLinearElasticityForce::addScaledElasticForce(), btDeformableMassSpringForce::addScaledElasticForce(), btDeformableNeoHookeanForce::addScaledElasticForce(), btDeformableLinearElasticityForce::addScaledElasticForceDifferential(), btDeformableNeoHookeanForce::addScaledElasticForceDifferential(), btDeformableGravityForce::addScaledGravityForce(), testDerivative(), and testHessian().

◆ reinitialize()

virtual void btDeformableLagrangianForce::reinitialize ( bool nodeUpdated)
inlinevirtual

Definition at line 73 of file btDeformableLagrangianForce.h.

◆ removeSoftBody()

virtual void btDeformableLagrangianForce::removeSoftBody ( btSoftBody * psb)
inlinevirtual

Definition at line 94 of file btDeformableLagrangianForce.h.

References m_softBodies.

◆ setIndices()

virtual void btDeformableLagrangianForce::setIndices ( const btAlignedObjectArray< btSoftBody::Node * > * nodes)
inlinevirtual

Definition at line 99 of file btDeformableLagrangianForce.h.

References m_nodes.

Referenced by btDeformableMultiBodyDynamicsWorld::addForce().

◆ testDerivative()

virtual void btDeformableLagrangianForce::testDerivative ( )
inlinevirtual

Definition at line 123 of file btDeformableLagrangianForce.h.

References addScaledForces(), btVector3, error(), getNumNodes(), i, btSoftBody::m_nodes, m_softBodies, btAlignedObjectArray< T >::push_back(), randomDouble(), btAlignedObjectArray< T >::resize(), btAlignedObjectArray< T >::size(), totalElasticEnergy(), btSoftBody::updateDeformation(), and x.

◆ testHessian()

virtual void btDeformableLagrangianForce::testHessian ( )
inlinevirtual

Definition at line 233 of file btDeformableLagrangianForce.h.

References addScaledElasticForceDifferential(), addScaledForces(), btSqrt(), btVector3, error(), getNumNodes(), i, btSoftBody::m_nodes, m_softBodies, btAlignedObjectArray< T >::push_back(), randomDouble(), btAlignedObjectArray< T >::resize(), btAlignedObjectArray< T >::size(), btSoftBody::updateDeformation(), and x.

◆ totalDampingEnergy()

virtual double btDeformableLagrangianForce::totalDampingEnergy ( btScalar dt)
inlinevirtual

Reimplemented in btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

Definition at line 361 of file btDeformableLagrangianForce.h.

Referenced by totalEnergy().

◆ totalElasticEnergy()

virtual double btDeformableLagrangianForce::totalElasticEnergy ( btScalar dt)
inlinevirtual

Reimplemented in btDeformableLinearElasticityForce, btDeformableMassSpringForce, btDeformableMousePickingForce, and btDeformableNeoHookeanForce.

Definition at line 355 of file btDeformableLagrangianForce.h.

Referenced by testDerivative(), and totalEnergy().

◆ totalEnergy()

virtual double btDeformableLagrangianForce::totalEnergy ( btScalar dt)
inlinevirtual

Reimplemented in btDeformableGravityForce.

Definition at line 367 of file btDeformableLagrangianForce.h.

References totalDampingEnergy(), and totalElasticEnergy().

Member Data Documentation

◆ m_nodes

const btAlignedObjectArray<btSoftBody::Node*>* btDeformableLagrangianForce::m_nodes

Definition at line 43 of file btDeformableLagrangianForce.h.

Referenced by setIndices().

◆ m_softBodies

btAlignedObjectArray<btSoftBody*> btDeformableLagrangianForce::m_softBodies

Definition at line 42 of file btDeformableLagrangianForce.h.

Referenced by btDeformableLinearElasticityForce::addScaledDampingForce(), btDeformableMassSpringForce::addScaledDampingForce(), btDeformableNeoHookeanForce::addScaledDampingForce(), btDeformableLinearElasticityForce::addScaledDampingForceDifferential(), btDeformableMassSpringForce::addScaledDampingForceDifferential(), btDeformableNeoHookeanForce::addScaledDampingForceDifferential(), btDeformableCorotatedForce::addScaledElasticForce(), btDeformableLinearElasticityForce::addScaledElasticForce(), btDeformableMassSpringForce::addScaledElasticForce(), btDeformableNeoHookeanForce::addScaledElasticForce(), btDeformableLinearElasticityForce::addScaledElasticForceDifferential(), btDeformableMassSpringForce::addScaledElasticForceDifferential(), btDeformableNeoHookeanForce::addScaledElasticForceDifferential(), btDeformableGravityForce::addScaledGravityForce(), btDeformableLinearElasticityForce::addScaledHessian(), addSoftBody(), btDeformableMassSpringForce::buildDampingForceDifferentialDiagonal(), getNumNodes(), removeSoftBody(), testDerivative(), testHessian(), btDeformableLinearElasticityForce::totalDampingEnergy(), btDeformableMassSpringForce::totalDampingEnergy(), btDeformableNeoHookeanForce::totalDampingEnergy(), btDeformableLinearElasticityForce::totalElasticEnergy(), btDeformableMassSpringForce::totalElasticEnergy(), btDeformableNeoHookeanForce::totalElasticEnergy(), and btDeformableGravityForce::totalEnergy().

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