Chaos::Softs::FPBDBendingConstraints Class Reference

#include <PBDBendingConstraints.h>

Inheritance diagram for Chaos::Softs::FPBDBendingConstraints:

Public Member Functions
	FPBDBendingConstraints (const FSolverParticlesRange &InParticles, TArray< TVec4< int32 > > &&InConstraints, const TMap< FString, TConstArrayView< FRealSingle > > &WeightMaps, const FCollectionPropertyConstFacade &PropertyCollection, bool bTrimKinematicConstraints=false)
	FPBDBendingConstraints (const FSolverParticles &InParticles, int32 InParticleOffset, int32 InParticleCount, TArray< TVec4< int32 > > &&InConstraints, const TMap< FString, TConstArrayView< FRealSingle > > &WeightMaps, const FCollectionPropertyConstFacade &PropertyCollection, bool bTrimKinematicConstraints=false)
	FPBDBendingConstraints (const FSolverParticles &InParticles, int32 ParticleOffset, int32 ParticleCount, TArray< TVec4< int32 > > &&InConstraints, const TConstArrayView< FRealSingle > &StiffnessMultipliers, const TConstArrayView< FRealSingle > &BucklingRatioMultipliers, const TConstArrayView< FRealSingle > &BucklingStiffnessMultipliers, const TConstArrayView< FRealSingle > &RestAngleMap, const FSolverVec2 &InStiffness, const FSolverVec2 &InBucklingRatio, const FSolverVec2 &InBucklingStiffness, const FSolverVec2 &RestAngleValue, ERestAngleConstructionType RestAngleConstructionType, bool bTrimKinematicConstraints=false)
	FPBDBendingConstraints (const FSolverParticles &InParticles, int32 ParticleOffset, int32 ParticleCount, TArray< TVec4< int32 > > &&InConstraints, const TConstArrayView< FRealSingle > &StiffnessMultipliers, const TConstArrayView< FRealSingle > &BucklingStiffnessMultipliers, const FSolverVec2 &InStiffness, const FSolverReal InBucklingRatio, const FSolverVec2 &InBucklingStiffness, bool bTrimKinematicConstraints=false)
virtual	~FPBDBendingConstraints () override
CHAOS_API void	SetProperties (const FCollectionPropertyConstFacade &PropertyCollection, const TMap< FString, TConstArrayView< FRealSingle > > &WeightMaps)
template<typename SolverParticlesOrRange >
CHAOS_API void	Apply (SolverParticlesOrRange &InParticles, const FSolverReal Dt) const
const TArray< int32 > &	GetConstraintsPerColorStartIndex () const
void	ResetRestLengths (const TConstArrayView< FSolverVec3 > &Positions, const FCollectionPropertyConstFacade &PropertyCollection, const TMap< FString, TConstArrayView< FRealSingle > > &WeightMaps)
	UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME (BendingElementStiffness, float)
	UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME (BucklingRatio, float)
	UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME (BucklingStiffness, float)
	UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME (FlatnessRatio, float)
	UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME (RestAngle, float)
	UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME (RestAngleType, int32)
template<typename SolverParticlesOrRange >
void	InitColor (const SolverParticlesOrRange &InParticles)
template<typename SolverParticlesOrRange >
void	Apply (SolverParticlesOrRange &Particles, const FSolverReal Dt) const
void	SetProperties (const FSolverVec2 &InStiffness, const FSolverVec2 &InBucklingRatio, const FSolverVec2 &InBucklingStiffness)
void	SetProperties (const FSolverVec2 &InStiffness, const FSolverReal InBucklingRatio, const FSolverVec2 &InBucklingStiffness)
Public Member Functions inherited from Chaos::Softs::FPBDBendingConstraintsBase
	FPBDBendingConstraintsBase (const FSolverParticlesRange &InParticles, TArray< TVec4< int32 > > &&InConstraints, const TConstArrayView< FRealSingle > &StiffnessMultipliers, const TConstArrayView< FRealSingle > &BucklingRatioMultipliers, const TConstArrayView< FRealSingle > &BucklingStiffnessMultipliers, const TConstArrayView< FRealSingle > &RestAngleMap, const FSolverVec2 &InStiffness, const FSolverVec2 &InBucklingRatio, const FSolverVec2 &InBucklingStiffness, const FSolverVec2 &RestAngleValue, ERestAngleConstructionType RestAngleConstructionType, bool bTrimKinematicConstraints=false, FSolverReal MaxStiffness=FPBDStiffness::DefaultPBDMaxStiffness)
	FPBDBendingConstraintsBase (const FSolverParticles &InParticles, int32 InParticleOffset, int32 InParticleCount, TArray< TVec4< int32 > > &&InConstraints, const TConstArrayView< FRealSingle > &StiffnessMultipliers, const TConstArrayView< FRealSingle > &BucklingRatioMultipliers, const TConstArrayView< FRealSingle > &BucklingStiffnessMultipliers, const TConstArrayView< FRealSingle > &RestAngleMap, const FSolverVec2 &InStiffness, const FSolverVec2 &InBucklingRatio, const FSolverVec2 &InBucklingStiffness, const FSolverVec2 &RestAngleValue, ERestAngleConstructionType RestAngleConstructionType, bool bTrimKinematicConstraints=false, FSolverReal MaxStiffness=FPBDStiffness::DefaultPBDMaxStiffness)
	FPBDBendingConstraintsBase (const FSolverParticles &InParticles, int32 InParticleOffset, int32 InParticleCount, TArray< TVec4< int32 > > &&InConstraints, const TConstArrayView< FRealSingle > &StiffnessMultipliers, const TConstArrayView< FRealSingle > &BucklingStiffnessMultipliers, const FSolverVec2 &InStiffness, const FSolverReal InBucklingRatio, const FSolverVec2 &InBucklingStiffness, bool bTrimKinematicConstraints=false, FSolverReal MaxStiffness=FPBDStiffness::DefaultPBDMaxStiffness)
virtual	~FPBDBendingConstraintsBase ()
void	SetProperties (const FSolverVec2 &InStiffness, const FSolverVec2 &InBucklingRatio, const FSolverVec2 &InBucklingStiffness)
void	SetProperties (const FSolverVec2 &InStiffness, const FSolverReal InBucklingRatio, const FSolverVec2 &InBucklingStiffness)
void	ApplyProperties (const FSolverReal Dt, const int32 NumIterations)
template<typename SolverParticlesOrRange >
TStaticArray< FSolverVec3, 4 >	GetGradients (const SolverParticlesOrRange &InParticles, const int32 i) const
template<typename SolverParticlesOrRange >
FSolverReal	GetScalingFactor (const SolverParticlesOrRange &InParticles, const int32 i, const TStaticArray< FSolverVec3, 4 > &Grads, const FSolverReal ExpStiffnessValue, const FSolverReal ExpBucklingValue) const
bool	AngleIsBuckled (const FSolverReal Angle, const FSolverReal RestAngle) const
bool	AngleIsBuckled (const FSolverReal Angle, const int32 ConstraintIndex) const
template<typename SolverParticlesOrRange >
CHAOS_API void	Init (const SolverParticlesOrRange &InParticles)
const TArray< FSolverReal > &	GetRestAngles () const
const TArray< TVec4< int32 > > &	GetConstraints () const
const TArray< bool > &	GetIsBuckled () const
template<typename SolverParticlesOrRange >
void	Init (const SolverParticlesOrRange &InParticles)

Static Public Member Functions
static bool	IsEnabled (const FCollectionPropertyConstFacade &PropertyCollection)
Static Public Member Functions inherited from Chaos::Softs::FPBDBendingConstraintsBase
static FSolverReal	CalcAngle (const FSolverVec3 &P1, const FSolverVec3 &P2, const FSolverVec3 &P3, const FSolverVec3 &P4)

Additional Inherited Members
Public Types inherited from Chaos::Softs::FPBDBendingConstraintsBase
enum class	ERestAngleConstructionType : uint8 { Use3DRestAngles , FlatnessRatio , ExplicitRestAngles }
Protected Member Functions inherited from Chaos::Softs::FPBDBendingConstraintsBase
CHAOS_API void	CalculateRestAngles (const TConstArrayView< FSolverVec3 > &InPositions, int32 InParticleOffset, int32 InParticleCount, const TConstArrayView< FRealSingle > &RestAngleMap, const FSolverVec2 &RestAngleValue, ERestAngleConstructionType RestAngleConstructionType)
Static Protected Member Functions inherited from Chaos::Softs::FPBDBendingConstraintsBase
template<class TNum >
static TNum	SafeDivide (const TNum &Numerator, const FSolverReal &Denominator)
static TStaticArray< FSolverVec3, 4 >	CalcGradients (const FSolverVec3 &P1, const FSolverVec3 &P2, const FSolverVec3 &P3, const FSolverVec3 &P4, FSolverReal *OutAngle=nullptr)
Protected Attributes inherited from Chaos::Softs::FPBDBendingConstraintsBase
TArray< TVec4< int32 > >	Constraints
TArray< TVec2< int32 > >	ConstraintSharedEdges
const int32	ParticleOffset
const int32	ParticleCount
FPBDStiffness	Stiffness
FPBDWeightMap	BucklingRatioWeighted
FPBDStiffness	BucklingStiffness
TArray< FSolverReal >	RestAngles
TArray< bool >	IsBuckled
FSolverReal	BucklingRatio

Constructor & Destructor Documentation

FPBDBendingConstraints() [1/4]

Chaos::Softs::FPBDBendingConstraints::FPBDBendingConstraints ( const FSolverParticlesRange &  InParticles, TArray< TVec4< int32 > > &&  InConstraints, const TMap< FString, TConstArrayView< FRealSingle > > &  WeightMaps, const FCollectionPropertyConstFacade &  PropertyCollection, bool  bTrimKinematicConstraints = false  )

inline

FPBDBendingConstraints() [2/4]

Chaos::Softs::FPBDBendingConstraints::FPBDBendingConstraints ( const FSolverParticles &  InParticles, int32  InParticleOffset, int32  InParticleCount, TArray< TVec4< int32 > > &&  InConstraints, const TMap< FString, TConstArrayView< FRealSingle > > &  WeightMaps, const FCollectionPropertyConstFacade &  PropertyCollection, bool  bTrimKinematicConstraints = false  )

inline

FPBDBendingConstraints() [3/4]

Chaos::Softs::FPBDBendingConstraints::FPBDBendingConstraints ( const FSolverParticles &  InParticles, int32  ParticleOffset, int32  ParticleCount, TArray< TVec4< int32 > > &&  InConstraints, const TConstArrayView< FRealSingle > &  StiffnessMultipliers, const TConstArrayView< FRealSingle > &  BucklingRatioMultipliers, const TConstArrayView< FRealSingle > &  BucklingStiffnessMultipliers, const TConstArrayView< FRealSingle > &  RestAngleMap, const FSolverVec2 &  InStiffness, const FSolverVec2 &  InBucklingRatio, const FSolverVec2 &  InBucklingStiffness, const FSolverVec2 &  RestAngleValue, ERestAngleConstructionType  RestAngleConstructionType, bool  bTrimKinematicConstraints = false  )

inline

FPBDBendingConstraints() [4/4]

Chaos::Softs::FPBDBendingConstraints::FPBDBendingConstraints ( const FSolverParticles &  InParticles, int32  ParticleOffset, int32  ParticleCount, TArray< TVec4< int32 > > &&  InConstraints, const TConstArrayView< FRealSingle > &  StiffnessMultipliers, const TConstArrayView< FRealSingle > &  BucklingStiffnessMultipliers, const FSolverVec2 &  InStiffness, const FSolverReal  InBucklingRatio, const FSolverVec2 &  InBucklingStiffness, bool  bTrimKinematicConstraints = false  )

inline

~FPBDBendingConstraints()

virtual Chaos::Softs::FPBDBendingConstraints::~FPBDBendingConstraints ( )

inlineoverridevirtual

Member Function Documentation

Apply() [1/2]

template<typename SolverParticlesOrRange >

CHAOS_API void Chaos::Softs::FPBDBendingConstraints::Apply	(	SolverParticlesOrRange &	InParticles,
		const FSolverReal	Dt
	)		const

Apply() [2/2]

template<typename SolverParticlesOrRange >

void Chaos::Softs::FPBDBendingConstraints::Apply	(	SolverParticlesOrRange &	Particles,
		const FSolverReal	Dt
	)		const

GetConstraintsPerColorStartIndex()

const TArray< int32 > & Chaos::Softs::FPBDBendingConstraints::GetConstraintsPerColorStartIndex ( ) const

inline

InitColor()

template<typename SolverParticlesOrRange >

void Chaos::Softs::FPBDBendingConstraints::InitColor

(

const SolverParticlesOrRange &

InParticles

)

IsEnabled()

static bool Chaos::Softs::FPBDBendingConstraints::IsEnabled ( const FCollectionPropertyConstFacade &  PropertyCollection )

inlinestatic

ResetRestLengths()

void Chaos::Softs::FPBDBendingConstraints::ResetRestLengths ( const TConstArrayView< FSolverVec3 > &  Positions, const FCollectionPropertyConstFacade &  PropertyCollection, const TMap< FString, TConstArrayView< FRealSingle > > &  WeightMaps  )

inline

SetProperties() [1/3]

void Chaos::Softs::FPBDBendingConstraints::SetProperties	(	const FCollectionPropertyConstFacade &	PropertyCollection,
		const TMap< FString, TConstArrayView< FRealSingle > > &	WeightMaps
	)

SetProperties() [2/3]

void Chaos::Softs::FPBDBendingConstraintsBase::SetProperties ( const FSolverVec2 &  InStiffness, const FSolverReal  InBucklingRatio, const FSolverVec2 &  InBucklingStiffness  )

inline

SetProperties() [3/3]

void Chaos::Softs::FPBDBendingConstraintsBase::SetProperties ( const FSolverVec2 &  InStiffness, const FSolverVec2 &  InBucklingRatio, const FSolverVec2 &  InBucklingStiffness  )

inline

UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME() [1/6]

Chaos::Softs::FPBDBendingConstraints::UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME	(	BendingElementStiffness	,
		float
	)

UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME() [2/6]

Chaos::Softs::FPBDBendingConstraints::UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME	(	BucklingRatio	,
		float
	)

UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME() [3/6]

Chaos::Softs::FPBDBendingConstraints::UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME	(	BucklingStiffness	,
		float
	)

UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME() [4/6]

Chaos::Softs::FPBDBendingConstraints::UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME	(	FlatnessRatio	,
		float
	)

UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME() [5/6]

Chaos::Softs::FPBDBendingConstraints::UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME	(	RestAngle	,
		float
	)

UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME() [6/6]

Chaos::Softs::FPBDBendingConstraints::UE_CHAOS_DECLARE_INDEXLESS_PROPERTYCOLLECTION_NAME	(	RestAngleType	,
		int32
	)

---

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

• Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDBendingConstraints.h
• Engine/Source/Runtime/Experimental/Chaos/Private/Chaos/PBDBendingConstraints.cpp