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FGaussSeidelWeakConstraints

API > API/Runtime > API/Runtime/Chaos

   
Name FGaussSeidelWeakConstraints
Type struct
Header File /Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Deformable/GaussSeidelWeakConstraints.h
Include Path #include "Chaos/Deformable/GaussSeidelWeakConstraints.h"

Syntax

template<typename T, typename ParticleType>  
struct FGaussSeidelWeakConstraints

Derived Classes

Constructors

Name Remarks Include Path Unreal Specifiers

FGaussSeidelWeakConstraints ( const TArray< TArray< int32 > >& InIndices,
const TArray< TArray< T > >& InWeights,
const TArray< T >& InStiffness,
const TArray< TArray< int32 > >& InSecondIndices,
const TArray< TArray< T > >& InSecondWeights,
const FDeformableXPBDWeakConstraintParams& InParams
)

 TODO(Yizhou): Add unittest for Gauss Seidel Weak Constraints. Chaos/Deformable/GaussSeidelWeakConstraints.h  

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~FGaussSeidelWeakConstraints()

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

Structs

Name Remarks
FGaussSeidelConstraintHandle  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
ConstraintsData TGaussSeidelWeakConstraintData< T >   Chaos/Deformable/GaussSeidelWeakConstraints.h  
DebugDrawParams FDeformableXPBDWeakConstraintParams   Chaos/Deformable/GaussSeidelWeakConstraints.h  
InitialWCSize int32   Chaos/Deformable/GaussSeidelWeakConstraints.h  
NoCollisionConstraints TArray< TArray< int32 > >   Chaos/Deformable/GaussSeidelWeakConstraints.h  
NoCollisionNodalWeights TArray< TArray< T > >   Chaos/Deformable/GaussSeidelWeakConstraints.h  
NoCollisionWCIncidentElements TArray< TArray< int32 > >   Chaos/Deformable/GaussSeidelWeakConstraints.h  
NoCollisionWCIncidentElementsLocal TArray< TArray< int32 > >   Chaos/Deformable/GaussSeidelWeakConstraints.h  
NodalWeights TArray< TArray< T > >   Chaos/Deformable/GaussSeidelWeakConstraints.h  
WCIncidentElements TArray< TArray< int32 > >   Chaos/Deformable/GaussSeidelWeakConstraints.h  
WCIncidentElementsLocal TArray< TArray< int32 > >   Chaos/Deformable/GaussSeidelWeakConstraints.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void AddExtraConstraints ( const TArray< TArray< int32 > >& InIndices,
const TArray< TArray< T > >& InWeights,
const TArray< T >& InStiffness,
const TArray< TArray< int32 > >& InSecondIndices,
const TArray< TArray< T > >& InSecondWeights,
const TArray< bool >& InIsAnisotrpic,
const TArray< bool >& InIsZeroRestLength
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void AddWCHessian ( const int32 p,
const T Dt,
Chaos::PMatrix< T, 3, 3 >& ParticleHessian
) const

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void AddWCResidual ( const ParticleType& InParticles,
const int32 ConstraintIndex,
const int32 LocalIndex,
const T Dt,
TVec3< T >& ParticleResidual,
Chaos::PMatrix< T, 3, 3 >& ParticleHessian
) const

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void AddZeroRestLengthWCResidualAndHessian ( const ParticleType& InParticles,
const int32 ConstraintIndex,
const int32 LocalIndex,
const T Dt,
TVec3< T >& ParticleResidual,
Chaos::PMatrix< T, 3, 3 >& ParticleHessian
) const

 Deprecated, now replaced with AddWCResidual for more general cases. Chaos/Deformable/GaussSeidelWeakConstraints.h  

void CollisionDetectionBVH ( const FSolverParticles& Particles,
const TArray< TVec3< int32 > >& SurfaceElements,
const TArray< int32 >& ComponentIndex,
float DetectRadius,
float PositionTargetStiffness,
bool UseAnisotropicSpring
)

 CollisionDetectionSpatialHash should be faster than CollisionDetectionBVH. Chaos/Deformable/GaussSeidelWeakConstraints.h  

void CollisionDetectionSpatialHash ( const FSolverParticles& Particles,
const TArray< int32 >& SurfaceVertices,
const FTriangleMesh& TriangleMesh,
const TArray< int32 >& ComponentIndex,
const SpatialAccelerator& Spatial,
float DetectRadius,
float PositionTargetStiffness,
bool UseAnisotropicSpring
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void CollisionDetectionSpatialHashInComponent ( const FSolverParticles& Particles,
const TArray< int32 >& SurfaceVertices,
const FTriangleMesh& TriangleMesh,
const TMap< int32, TSet< int32 > >& ExcludeMap,
const SpatialAccelerator& Spatial,
float DetectRadius,
float PositionTargetStiffness,
bool UseAnisotropicSpring
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void ComputeCollisionWCDataSimplified ( TArray< TArray< int32 > >& ExtraConstraints,
TArray< TArray< int32 > >& ExtraWCIncidentElements,
TArray< TArray< int32 > >& ExtraWCIncidentElementsLocal
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void ComputeInitialWCData ( const ParticleType& InParticles
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

TVec3< T > ComputeSpringEdge ( const ParticleType& InParticles,
const TArray< int32 >& LocalIndices,
const TArray< int32 >& LocalSecondIndices,
const TArray< T >& Weight,
const TArray< T >& SecondWeight,
bool bUseParticleX
) const

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

TArray< TArray< int32 > > GetDynamicConstraintArrays ( TArray< TArray< int32 > >& IncidentElements,
TArray< TArray< int32 > >& IncidentElementsLocal
) const

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

const TArray< TArray< int32 > > & GetStaticConstraintArrays ( TArray< TArray< int32 > >& IncidentElements,
TArray< TArray< int32 > >& IncidentElementsLocal
) const

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void Init ( const FSolverParticles& InParticles,
const T Dt
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void Resize ( int32 Size
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void UpdatePointTriangleCollisionWCData ( const FSolverParticles& Particles
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void UpdateTriangleNormalAndNodalWeight ( const FSolverParticles& InParticles,
bool bUseParticleX
)

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

void VisualizeAllBindings ( const FSolverParticles& InParticles,
const T Dt
) const

   Chaos/Deformable/GaussSeidelWeakConstraints.h  

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