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  3. FTriangleMeshImplicitObject

FTriangleMeshImplicitObject

Unreal Engine C++ API Reference > Runtime > Chaos > Chaos

Inheritance Hierarchy

References

   
Module Chaos
Header /Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/TriangleMeshImplicitObject.h
Include #include "Chaos/TriangleMeshImplicitObject.h"

Syntax

class FTriangleMeshImplicitObject : public Chaos::FImplicitObject

Constructors

  Type Name Description
Public function    
Public function    
Public function  

FTriangleMeshImplicitObject ( ParticlesType&& Particles,
TArray< TVec3< IdxType >>&& Elements,
TArray< uint16 >&& InMaterialIndices,
TUniquePtr< TArray< int32 >>&& InExternalFaceIndexMap,
TUniquePtr< TArray< int32 >>&& InExternalVertexIndexMap,
const bool bInCullsBackFaceRaycast
)

  

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Public function Const TUniquePtr< FTriangleMeshImplicitObject >  
Public function Const const FTrimeshIndexBuffer &  
Public function Const void

FindOverlappingTriangles ( const FAABB3& QueryBounds,
TArray< int32 >& OutTriangleIndices
)

 Get a list of triangle indices that overlap the query bounds.
Public function Const bool Does Trimesh cull backfaces in raycast.
Public function Const int32

GetExternalFaceIndexFromInternal ( int32 InternalFaceIndex
)

 Returns -1 if InternalFaceIndex is not in map, or map is invalid.
Public function Const FVec3

GetFaceNormal ( const int32 FaceIdx
)

  
Public function Const FReal  
Public function Const void

GetTransformedTriangle ( const int32 TriangleIndex,
const FRigidTransform3& Transform,
FTriangle& OutTriangle,
int32& OutVertexIndex0,
int32& OutVertexIndex1,
int32& OutVertexIndex2
)

 Generate the triangle at the specified index with the specified transform (including scale)
Public function Const bool

GJKContactPoint ( const TImplicitObjectScaled< TSphere< FReal, 3 > >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex,
FVec3 TriMeshScale
)

  
Public function Const bool

GJKContactPoint ( const FConvex& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex
)

  
Public function Const bool

GJKContactPoint ( const FCapsule& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex
)

  
Public function Const bool

GJKContactPoint ( const TSphere< FReal, 3 >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex
)

  
Public function Const bool

GJKContactPoint ( const TImplicitObjectScaled< FConvex >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex,
FVec3 TriMeshScale
)

  
Public function Const bool

GJKContactPoint ( const TImplicitObjectScaled< TBox< FReal, 3 > >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex,
FVec3 TriMeshScale
)

  
Public function Const bool

GJKContactPoint ( const TImplicitObjectScaled< FCapsule >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex,
FVec3 TriMeshScale
)

  
Public function Const bool

GJKContactPoint ( const TBox< FReal, 3 >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FVec3& Location,
FVec3& Normal,
FReal& Penetration,
int32& FaceIndex
)

  
Public function Const bool

OverlapGeom ( const TImplicitObjectScaled< FCapsule >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

OverlapGeom ( const TImplicitObjectScaled< FConvex >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

OverlapGeom ( const TImplicitObjectScaled< TBox< FReal, 3 >>& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

OverlapGeom ( const TImplicitObjectScaled< TSphere< FReal, 3 >>& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

OverlapGeom ( const FCapsule& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD
)

  
Public function Const bool

OverlapGeom ( const TBox< FReal, 3 >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD
)

  
Public function Const bool

OverlapGeom ( const TSphere< FReal, 3 >& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD
)

  
Public function Const bool

OverlapGeom ( const FConvex& QueryGeom,
const FRigidTransform3& QueryTM,
const FReal Thickness,
FMTDInfo* OutMTD
)

  
Public function Const const ParticlesType &  
Public function Const bool

RaycastImp ( const TArray< TVector< IdxType, 3 >>& Elements,
const FVec3& StartPoint,
const FVec3& Dir,
const FReal Length,
const FReal Thickness,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex
)

  
Public function void  
Public function void

SetCullsBackFaceRaycast ( const bool bInCullsBackFace
)

  
Public function Static constexpr EImplicitObjectType  
Public function Const bool

SweepGeom ( const TImplicitObjectScaled< FCapsule >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeom ( const TImplicitObjectScaled< FConvex >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeom ( const TImplicitObjectScaled< TBox< FReal, 3 >>& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeom ( const TSphere< FReal, 3 >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeom ( const TBox< FReal, 3 >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeom ( const FCapsule& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeom ( const FConvex& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeom ( const TImplicitObjectScaled< TSphere< FReal, 3 >>& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FReal Thickness,
const bool bComputeMTD,
FVec3 TriMeshScale
)

  
Public function Const bool

SweepGeomCCD ( const TImplicitObjectScaled< TBox< FReal, 3 >>& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

  
Public function Const bool

SweepGeomCCD ( const TImplicitObjectScaled< TSphere< FReal, 3 >>& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

  
Public function Const bool

SweepGeomCCD ( const FConvex& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

  
Public function Const bool

SweepGeomCCD ( const FCapsule& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

  
Public function Const bool

SweepGeomCCD ( const TImplicitObjectScaled< FConvex >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

  
Public function Const bool

SweepGeomCCD ( const TSphere< FReal, 3 >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

 Sweep used for CCD. Ignores triangles we penetrate by less than IgnorePenetration, and calculate the TOI for a depth of TargetPenetration. If both are zero, this is equivalent to SweepGeom.
Public function Const bool

SweepGeomCCD ( const TImplicitObjectScaled< FCapsule >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

  
Public function Const bool

SweepGeomCCD ( const TBox< FReal, 3 >& QueryGeom,
const FRigidTransform3& StartTM,
const FVec3& Dir,
const FReal Length,
const FReal IgnorePenetration,
const FReal TargetPenetration,
FReal& OutTOI,
FReal& OutPhi,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex,
FVec3& OutFaceNormal,
const FVec3& TriMeshScale
)

  
Public function void

UpdateVertices ( const TArray< FVector >& Positions
)

  
Public function Const void

VisitTriangles ( const FAABB3& QueryBounds,
const FRigidTransform3& QueryTransform,
const TriangleVisitor& Visitor
)

  

Overridden from FImplicitObject

  Type Name Description
Public function Virtual Const const FAABB3  
Public function Virtual Const FVec3

FindGeometryOpposingNormal ( const FVec3& DenormDir,
int32 FaceIndex,
const FVec3& OriginalNormal
)

 Given a normal and a face index, compute the most opposing normal associated with the underlying geometry features.
Public function Virtual Const int32

FindMostOpposingFace ( const FVec3& Position,
const FVec3& UnitDir,
int32 HintFaceIndex,
FReal SearchDist
)

 Returns the most opposing face.
Public function Virtual Const int32

FindMostOpposingFaceScaled ( const FVec3& Position,
const FVec3& UnitDir,
int32 HintFaceIndex,
FReal SearchDist,
const FVec3& Scale
)

  
Public function Virtual Const uint16

GetMaterialIndex ( uint32 HintIndex
)

  
Public function Virtual Const uint32  
Public function Virtual Const bool

Overlap ( const FVec3& Point,
const FReal Thickness
)

 This gives derived types a way to do an overlap check without calling PhiWithNormal todo: this api is confusing.
Public function Virtual Const FReal

PhiWithNormal ( const FVec3& x,
FVec3& Normal
)

 Find the closest point on the surface, and return the separating distance and axis.
Public function Virtual Const bool

Raycast ( const FVec3& StartPoint,
const FVec3& Dir,
const FReal Length,
const FReal Thickness,
FReal& OutTime,
FVec3& OutPosition,
FVec3& OutNormal,
int32& OutFaceIndex
)

 This gives derived types a way to avoid calling PhiWithNormal todo: this api is confusing.
Public function Virtual void  
Public function Virtual Const FString  

Typedefs

Name Description
BVHType  
ParticlesType  
ParticleVecType  

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