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  3. FKConvexElem

FKConvexElem

One convex hull, used for simplified collision.

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

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Classes/PhysicsEngine/ConvexElem.h
Include #include "PhysicsEngine/ConvexElem.h"

Syntax

struct FKConvexElem : public FKShapeElem

Remarks

One convex hull, used for simplified collision.

Variables

  Type Name Description
Public variable FBox ElemBox Bounding box of this convex hull.
Public variable TArray< int32 > IndexData  
Public variable TArray< FVector > VertexData Array of indices that make up the convex hull.

Constructors

  Type Name Description
Public function    
Public function  

FKConvexElem ( const FKConvexElem& Other
)

  

Destructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function Const void

AddCachedSolidConvexGeom ( TArray< FDynamicMeshVertex >& VertexBuffer,
TArray< uint32 >& IndexBuffer,
const FColor VertexColor
)

  
Public function void Apply current element transform to verts, and reset transform to identity
Public function Const FBox

CalcAABB ( const FTransform& BoneTM,
const FVector& Scale3D
)

 Calculate a bounding box for this convex element with the specified transform and scale
Public function void

ComputeChaosConvexIndices ( bool bForceCompute
)

  
Public function void

ConvexFromBoxElem ( const FKBoxElem& InBox
)

 Utility for setting this convex element to match a supplied box element. Also copies transform.
Public function Const void

DrawElemSolid ( FPrimitiveDrawInterface* PDI,
const FTransform& ElemTM,
const float Scale,
const FMaterialRenderProxy* MaterialRenderProxy
)

  
Public function Const TArray< int32 >  
Public function Const const auto &  
Public function Const float

GetClosestPointAndNormal ( const FVector& WorldPosition,
const FTransform& BodyToWorldTM,
FVector& ClosestWorldPosition,
FVector& Normal
)

 Finds the closest point on the shape given a world position.
Public function Const void

GetPlanes ( TArray< FPlane >& Planes
)

 Get set of planes that define this convex hull
Public function Const FVector::FReal

GetScaledVolume ( const FVector& Scale3D
)

 Returns the volume of this element
Public function Const float

GetShortestDistanceToPoint ( const FVector& WorldPosition,
const FTransform& BodyToWorldTM
)

 Finds the shortest distance between the element and a world position.
Public function Const FTransform Get current transform applied to convex mesh vertices
Public function bool

HullFromPlanes ( const TArray< FPlane >& InPlanes,
const TArray< FVector >& SnapVerts,
float InSnapDistance
)

 Utility for creating a convex hull from a set of planes. Will reset current state of this elem.
Public function void

Reset ()

 Reset the hull to empty all arrays
Public function void  
Public function void

ScaleElem ( FVector DeltaSize,
float MinSize
)

  
Public function void

SetChaosConvexMesh ( TSharedPtr< Chaos::FConvex, ESPMode::ThreadSafe >&& InChaosConvex,
EConvexDataUpdateMethod ConvexDataUpdateMethod
)

 Set the chaos convex mesh Note : This will by default invalidate the convex data and recompute them by calling ComputeChaosConvexIndices Only set ConvexDataUpdateMethod to UpdateConvexDataOnlyIfMissing if you know the data is up to date with the chaos convex object or if you plan to call ComputeChaosConvexIndices later
Public function void

SetTransform ( const FTransform& InTransform
)

 Modify the transform to apply to convex mesh vertices NOTE: When doing this, BodySetup convex meshes need to be recooked - usually by calling InvalidatePhysicsData() and CreatePhysicsMeshes()
Public function void Updates internal ElemBox based on current value of VertexData

Overridden from FKShapeElem

  Type Name Description
Public function Virtual Const void

DrawElemWire ( FPrimitiveDrawInterface* PDI,
const FTransform& ElemTM,
const float Scale,
const FColor Color
)

  

Operators

  Type Name Description
Public function const FKConvexElem &

operator= ( const FKConvexElem& Other
)

  

Enums

  Type Name Description
Public enum EConvexDataUpdateMethod    

Constants

Name Description
StaticShapeType  

Deprecated Functions

  Type Name Description
Public function Const FVector::FReal

GetVolume ( const FVector& Scale
)

 Changed to GetScaledVolume. Note that Volume calculation now includes non-uniform scale so values may have changed

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