btDeformableMassSpringForce Class Reference

#include <btDeformableMassSpringForce.h>

Inherits btDeformableLagrangianForce.

Public Types
typedef btAlignedObjectArray< btVector3 >	TVStack
Public Types inherited from btDeformableLagrangianForce
typedef btAlignedObjectArray< btVector3 >	TVStack

Public Member Functions
	btDeformableMassSpringForce ()
	btDeformableMassSpringForce (btScalar k, btScalar d, bool conserve_angular=true, double bending_k=-1)
virtual void	addScaledForces (btScalar scale, TVStack &force)
virtual void	addScaledExplicitForce (btScalar scale, TVStack &force)
virtual void	addScaledDampingForce (btScalar scale, TVStack &force)
virtual void	addScaledElasticForce (btScalar scale, TVStack &force)
virtual void	addScaledDampingForceDifferential (btScalar scale, const TVStack &dv, TVStack &df)
virtual void	buildDampingForceDifferentialDiagonal (btScalar scale, TVStack &diagA)
virtual double	totalElasticEnergy (btScalar dt)
virtual double	totalDampingEnergy (btScalar dt)
virtual void	addScaledElasticForceDifferential (btScalar scale, const TVStack &dx, TVStack &df)
virtual btDeformableLagrangianForceType	getForceType ()
Public Member Functions inherited from btDeformableLagrangianForce
	btDeformableLagrangianForce ()
virtual	~btDeformableLagrangianForce ()
virtual void	addScaledHessian (btScalar scale)
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	totalEnergy (btScalar dt)

Additional Inherited Members
Public Attributes inherited from btDeformableLagrangianForce
btAlignedObjectArray< btSoftBody * >	m_softBodies
const btAlignedObjectArray< btSoftBody::Node * > *	m_nodes

Detailed Description

Definition at line 21 of file btDeformableMassSpringForce.h.

Member Typedef Documentation

TVStack

typedef btAlignedObjectArray<btVector3> btDeformableMassSpringForce::TVStack

Definition at line 29 of file btDeformableMassSpringForce.h.

Constructor & Destructor Documentation

btDeformableMassSpringForce() [1/2]

btDeformableMassSpringForce::btDeformableMassSpringForce ( )

inline

Definition at line 30 of file btDeformableMassSpringForce.h.

btDeformableMassSpringForce() [2/2]

btDeformableMassSpringForce::btDeformableMassSpringForce ( btScalar k, btScalar d, bool conserve_angular = true, double bending_k = -1 )

inline

Definition at line 33 of file btDeformableMassSpringForce.h.

Member Function Documentation

addScaledDampingForce()

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

inlinevirtual

Implements btDeformableLagrangianForce.

Definition at line 52 of file btDeformableMassSpringForce.h.

References btAssert, btDeformableLagrangianForce::getNumNodes(), btSoftBody::Node::index, btSoftBody::m_links, btSoftBody::Node::m_n, btDeformableLagrangianForce::m_softBodies, btSoftBody::Node::m_v, btSoftBody::Node::m_x, normalized(), SIMD_EPSILON, and btAlignedObjectArray< T >::size().

Referenced by addScaledForces(), and totalDampingEnergy().

addScaledDampingForceDifferential()

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

inlinevirtual

Implements btDeformableLagrangianForce.

Definition at line 119 of file btDeformableMassSpringForce.h.

References dot(), btSoftBody::Node::index, btSoftBody::m_links, btSoftBody::Node::m_n, btDeformableLagrangianForce::m_softBodies, btSoftBody::Node::m_x, normalized(), SIMD_EPSILON, and btAlignedObjectArray< T >::size().

addScaledElasticForce()

virtual void btDeformableMassSpringForce::addScaledElasticForce ( btScalar scale, TVStack & force )

inlinevirtual

Definition at line 88 of file btDeformableMassSpringForce.h.

References btAssert, btVector3, btDeformableLagrangianForce::getNumNodes(), btSoftBody::Node::index, btSoftBody::m_links, btSoftBody::Node::m_n, btSoftBody::Node::m_q, btDeformableLagrangianForce::m_softBodies, SIMD_EPSILON, and btAlignedObjectArray< T >::size().

Referenced by addScaledExplicitForce(), and addScaledForces().

addScaledElasticForceDifferential()

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

inlinevirtual

Implements btDeformableLagrangianForce.

Definition at line 257 of file btDeformableMassSpringForce.h.

References btVector3, btSoftBody::Node::index, btSoftBody::m_links, btSoftBody::Node::m_n, btSoftBody::Node::m_q, btDeformableLagrangianForce::m_softBodies, SIMD_EPSILON, and btAlignedObjectArray< T >::size().

addScaledExplicitForce()

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

inlinevirtual

Implements btDeformableLagrangianForce.

Definition at line 47 of file btDeformableMassSpringForce.h.

References addScaledElasticForce().

addScaledForces()

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

inlinevirtual

Implements btDeformableLagrangianForce.

Definition at line 41 of file btDeformableMassSpringForce.h.

References addScaledDampingForce(), and addScaledElasticForce().

buildDampingForceDifferentialDiagonal()

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

inlinevirtual

Implements btDeformableLagrangianForce.

Definition at line 153 of file btDeformableMassSpringForce.h.

References btSoftBody::Node::index, btSoftBody::Node::m_im, btSoftBody::m_links, btSoftBody::Node::m_n, btDeformableLagrangianForce::m_softBodies, btSoftBody::Node::m_x, normalized(), SIMD_EPSILON, and btAlignedObjectArray< T >::size().

getForceType()

virtual btDeformableLagrangianForceType btDeformableMassSpringForce::getForceType ( )

inlinevirtual

Implements btDeformableLagrangianForce.

Definition at line 295 of file btDeformableMassSpringForce.h.

References BT_MASSSPRING_FORCE.

totalDampingEnergy()

virtual double btDeformableMassSpringForce::totalDampingEnergy ( btScalar dt )

inlinevirtual

Reimplemented from btDeformableLagrangianForce.

Definition at line 224 of file btDeformableMassSpringForce.h.

References addScaledDampingForce(), btMax(), btSoftBody::m_nodes, btDeformableLagrangianForce::m_softBodies, btAlignedObjectArray< T >::resize(), setZero(), and btAlignedObjectArray< T >::size().

totalElasticEnergy()

virtual double btDeformableMassSpringForce::totalElasticEnergy ( btScalar dt )

inlinevirtual

Reimplemented from btDeformableLagrangianForce.

Definition at line 199 of file btDeformableMassSpringForce.h.

References btSoftBody::m_links, btSoftBody::Node::m_n, btSoftBody::Node::m_q, btDeformableLagrangianForce::m_softBodies, and btAlignedObjectArray< T >::size().

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The documentation for this class was generated from the following file:

• btDeformableMassSpringForce.h