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  3. FBaseMeshPaintComponentAdapter

FBaseMeshPaintComponentAdapter

Base mesh paint geometry adapter, handles basic sphere intersection using a Octree

API > API/Plugins > API/Plugins/MeshPaintingToolset

Inheritance Hierarchy

References

   
Module MeshPaintingToolset
Header /Engine/Plugins/MeshPainting/Source/MeshPaintingToolset/Public/BaseMeshPaintComponentAdapter.h
Include #include "BaseMeshPaintComponentAdapter.h"

Syntax

class FBaseMeshPaintComponentAdapter :  
    public IMeshPaintComponentAdapter,  
    public FGCObject,  
    public TSharedFromThis< FBaseMeshPaintComponentAdapter >

Remarks

Base mesh paint geometry adapter, handles basic sphere intersection using a Octree

Variables

  Type Name Description
Protected variable TUniquePtr< UE::Geometry::TMeshAABBTree3< const FIndexMeshArrayAdapterd > > AABBTree  
Protected variable FIndexMeshArrayAdapterd Adapter  
Protected variable TArray< uint32 > MeshIndices  
Protected variable TUniquePtr< FMeshPaintTriangleOctree > MeshTriOctree Octree used for reducing the cost of sphere intersecting with triangles / vertices
Protected variable TArray< FVector > MeshVertices Index and Vertex data populated by derived classes in InitializeVertexData

Functions

  Type Name Description
Protected function bool  
Public function bool  

Overridden from IMeshPaintComponentAdapter

  Type Name Description
Public function Virtual Const void

GetInfluencedVertexData ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing,
TArray< TPair< int32, FVector >>& OutData
)

 Retrieves the influenced vertex indices and positions that intersect the given sphere
Public function Virtual Const void

GetInfluencedVertexIndices ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing,
TSet< int32 >& InfluencedVertices
)

 Retrieves the influenced vertex indices which intersect the given sphere
Public function Virtual Const const TArray< uint32 > & Returns the indices for the current LOD index in the Mesh
Public function Virtual Const const TArray< FVector > & Returns the vertices for the current LOD index in the Mesh
Public function Virtual Const void

GetVertexPosition ( int32 VertexIndex,
FVector& OutVertex
)

 Returns the Vertex Position at Vertex Index from the Mesh
Public function Virtual bool Start IMeshPaintGeometryAdapter Overrides
Public function Virtual Const bool

RayIntersectAdapter ( UE::Geometry::FIndex3i& HitTriangle,
FVector& HitPosition,
const FVector Start,
const FVector End
)

 Returns the hit result which intersect with the given ray
Public function Virtual Const TArray< uint32 >

SphereIntersectTriangles ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing
)

 Returns the triangle indices which intersect with the given sphere
Public function Virtual Const TArray< FVector >

SphereIntersectVertices ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing
)

 Returns the vertex positions which intersect the given sphere

Overridden from FGCObject

  Type Name Description
Public function Virtual Const FString End IMeshPaintGeometryAdapter Overrides

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