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FXPBDAnisotropicEdgeSpringConstraints

Edge and axial springs.

API > API/Runtime > API/Runtime/Chaos

Edge and axial springs. Spatially varying stiffnesses and restlengths controlled by Warp/Weft/Bias. Both types of springs controlled by the same input parameters.

   
Name FXPBDAnisotropicEdgeSpringConstraints
Type class
Header File /Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/XPBDAnisotropicSpringConstraints.h
Include Path #include "Chaos/XPBDAnisotropicSpringConstraints.h"

Syntax

class FXPBDAnisotropicEdgeSpringConstraints : public Chaos::Softs::FPBDSpringConstraintsBase

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

FXPBDAnisotropicEdgeSpringConstraints ( const FSolverParticlesRange& Particles,
const FTriangleMesh& TriangleMesh,
const TArray< TVec3< FVec2f > >& FaceVertexPatternPositions,
bool bUse3dRestLengths,
const TConstArrayView< FRealSingle >& StiffnessWarpMultipliers,
const TConstArrayView< FRealSingle >& StiffnessWeftMultipliers,
const TConstArrayView< FRealSingle >& StiffnessBiasMultipliers,
const TConstArrayView< FRealSingle >& DampingMultipliers,
const TConstArrayView< FRealSingle >& WarpScaleMultipliers,
const TConstArrayView< FRealSingle >& WeftScaleMultipliers,
const FSolverVec2& InStiffnessWarp,
const FSolverVec2& InStiffnessWeft,
const FSolverVec2& InStiffnessBias,
const FSolverVec2& InDampingRatio,
const FSolverVec2& InWarpScale,
const FSolverVec2& InWeftScale
)

   Chaos/XPBDAnisotropicSpringConstraints.h  

FXPBDAnisotropicEdgeSpringConstraints ( const FSolverParticles& InParticles,
int32 InParticleOffset,
int32 InParticleCount,
const FTriangleMesh& TriangleMesh,
const TArray< TVec3< FVec2f > >& FaceVertexPatternPositions,
bool bUse3dRestLengths,
const TConstArrayView< FRealSingle >& StiffnessWarpMultipliers,
const TConstArrayView< FRealSingle >& StiffnessWeftMultipliers,
const TConstArrayView< FRealSingle >& StiffnessBiasMultipliers,
const TConstArrayView< FRealSingle >& DampingMultipliers,
const TConstArrayView< FRealSingle >& WarpScaleMultipliers,
const TConstArrayView< FRealSingle >& WeftScaleMultipliers,
const FSolverVec2& InStiffnessWarp,
const FSolverVec2& InStiffnessWeft,
const FSolverVec2& InStiffnessBias,
const FSolverVec2& InDampingRatio,
const FSolverVec2& InWarpScale,
const FSolverVec2& InWeftScale
)

   Chaos/XPBDAnisotropicSpringConstraints.h  

FXPBDAnisotropicEdgeSpringConstraints ( const FSolverParticlesRange& Particles,
const FTriangleMesh& TriangleMesh,
const TArray< TVec3< FVec2f > >& FaceVertexPatternPositions,
bool bUse3dRestLengths,
bool bSavePreResizedSimPosition3D,
const TArray< FVector3f >& PreResizedSimPosition3D,
FSolverReal MeshScale,
const TConstArrayView< FRealSingle >& StiffnessWarpMultipliers,
const TConstArrayView< FRealSingle >& StiffnessWeftMultipliers,
const TConstArrayView< FRealSingle >& StiffnessBiasMultipliers,
const TConstArrayView< FRealSingle >& DampingMultipliers,
const TConstArrayView< FRealSingle >& WarpScaleMultipliers,
const TConstArrayView< FRealSingle >& WeftScaleMultipliers,
const FSolverVec2& InStiffnessWarp,
const FSolverVec2& InStiffnessWeft,
const FSolverVec2& InStiffnessBias,
const FSolverVec2& InDampingRatio,
const FSolverVec2& InWarpScale,
const FSolverVec2& InWeftScale
)

   Chaos/XPBDAnisotropicSpringConstraints.h  

FXPBDAnisotropicEdgeSpringConstraints ( const FSolverParticles& InParticles,
int32 InParticleOffset,
int32 InParticleCount,
const FTriangleMesh& TriangleMesh,
const TArray< TVec3< FVec2f > >& FaceVertexPatternPositions,
bool bUse3dRestLengths,
bool bSavePreResizedSimPosition3D,
const TArray< FVector3f >& PreResizedSimPosition3D,
FSolverReal MeshScale,
const TConstArrayView< FRealSingle >& StiffnessWarpMultipliers,
const TConstArrayView< FRealSingle >& StiffnessWeftMultipliers,
const TConstArrayView< FRealSingle >& StiffnessBiasMultipliers,
const TConstArrayView< FRealSingle >& DampingMultipliers,
const TConstArrayView< FRealSingle >& WarpScaleMultipliers,
const TConstArrayView< FRealSingle >& WeftScaleMultipliers,
const FSolverVec2& InStiffnessWarp,
const FSolverVec2& InStiffnessWeft,
const FSolverVec2& InStiffnessBias,
const FSolverVec2& InDampingRatio,
const FSolverVec2& InWarpScale,
const FSolverVec2& InWeftScale
)

   Chaos/XPBDAnisotropicSpringConstraints.h  

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~FXPBDAnisotropicEdgeSpringConstraints()

   Chaos/XPBDAnisotropicSpringConstraints.h  

Typedefs

Name Type Remarks Include Path
Base FPBDSpringConstraintsBase   Chaos/XPBDAnisotropicSpringConstraints.h

Constants

Name Type Remarks Include Path
MaxDampingRatio FSolverReal   Chaos/XPBDAnisotropicSpringConstraints.h
MaxStiffness FSolverReal   Chaos/XPBDAnisotropicSpringConstraints.h
MaxWarpWeftScale FSolverReal   Chaos/XPBDAnisotropicSpringConstraints.h
MinDampingRatio FSolverReal   Chaos/XPBDAnisotropicSpringConstraints.h
MinStiffness FSolverReal Stiffness is in kg /s^2. Chaos/XPBDAnisotropicSpringConstraints.h
MinWarpWeftScale FSolverReal   Chaos/XPBDAnisotropicSpringConstraints.h

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
BaseDists TArray< FSolverReal >   Chaos/XPBDAnisotropicSpringConstraints.h  
Constraints TArray< TVec2< int32 > >   Chaos/XPBDAnisotropicSpringConstraints.h  
ConstraintsPerColorStartIndex TArray< int32 >   Chaos/XPBDAnisotropicSpringConstraints.h  
DampingRatio FPBDFlatWeightMap   Chaos/XPBDAnisotropicSpringConstraints.h  
Dists TArray< FSolverReal >   Chaos/XPBDAnisotropicSpringConstraints.h  
Lambdas TArray< FSolverReal >   Chaos/XPBDAnisotropicSpringConstraints.h  
LambdasDamping TArray< FSolverReal >   Chaos/XPBDAnisotropicSpringConstraints.h  
ParticleCount const int32   Chaos/XPBDAnisotropicSpringConstraints.h  
ParticleOffset const int32   Chaos/XPBDAnisotropicSpringConstraints.h  
StiffnessBias FPBDFlatWeightMap   Chaos/XPBDAnisotropicSpringConstraints.h  
StiffnessWarp FPBDFlatWeightMap   Chaos/XPBDAnisotropicSpringConstraints.h  
StiffnessWeft FPBDFlatWeightMap   Chaos/XPBDAnisotropicSpringConstraints.h  
WarpScale FPBDWeightMap   Chaos/XPBDAnisotropicSpringConstraints.h  
WarpWeftBiasBaseMultipliers TArray< FSolverVec3 >   Chaos/XPBDAnisotropicSpringConstraints.h  
WarpWeftScaleBaseMultipliers TArray< FSolverVec2 >   Chaos/XPBDAnisotropicSpringConstraints.h  
WeftScale FPBDWeightMap   Chaos/XPBDAnisotropicSpringConstraints.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void Apply ( SolverParticlesOrRange& Particles,
const FSolverReal Dt
) const

   Chaos/XPBDAnisotropicSpringConstraints.h  

void ApplyProperties ( const FSolverReal,
const int32
)

 Update rest lengths from warp/weft scale. Chaos/XPBDAnisotropicSpringConstraints.h  

const TArray< int32 > & GetConstraintsPerColorStartIndex()

   Chaos/XPBDAnisotropicSpringConstraints.h  

const TArray< FSolverVec3 > & GetWarpWeftBiasBaseMultipliers()

   Chaos/XPBDAnisotropicSpringConstraints.h  

void Init()

   Chaos/XPBDAnisotropicSpringConstraints.h  

void ResetRestLengths ( const TConstArrayView< FSolverVec3 >& Positions
)

   Chaos/XPBDAnisotropicSpringConstraints.h  

void UpdateLinearSystem ( const FSolverParticlesRange& Particles,
const FSolverReal Dt,
FEvolutionLinearSystem& LinearSystem
) const

   Chaos/XPBDAnisotropicSpringConstraints.h  

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