UDocumentation UE5.7 10.02.2026 (Source)
API documentation for Unreal Engine 5.7
UE::Geometry::FBoxSphereGenerator Class Reference

#include <BoxSphereGenerator.h>

+ Inheritance diagram for UE::Geometry::FBoxSphereGenerator:

Public Types

enum class  ESphereProjectionMethod { NormalizedVector , CubeMapping }
 

Public Member Functions

FMeshShapeGeneratorGenerate () override
 
- Public Member Functions inherited from UE::Geometry::FMeshShapeGenerator
virtual ~FMeshShapeGenerator ()
 
bool HasAttributes () const
 
void ResetAttributes (bool bResetPolygonIDs=false)
 
void Reset ()
 
void SetBufferSizes (int NumVertices, int NumTriangles, int NumUVs, int NumNormals)
 
void ExtendBufferSizes (int AddVertices, int AddTriangles, int AddUVs, int AddNormals)
 
void SetVertex (int Index, const FVector3d &Position)
 
int AppendVertex (const FVector3d &Position)
 
void SetUV (int Index, const FVector2f &UV, int ParentVertex)
 
int AppendUV (const FVector2f &UV, int ParentVertex)
 
void SetNormal (int Index, const FVector3f &Normal, int ParentVertex)
 
int AppendNormal (const FVector3f &Normal, int ParentVertex)
 
void SetTriangle (int Index, const FIndex3i &Tri)
 
void SetTriangle (int Index, int A, int B, int C)
 
void SetTriangle (int Index, int A, int B, int C, bool bClockwiseOverride)
 
int AppendTriangle (int A, int B, int C)
 
void SetTriangleUVs (int Index, const FIndex3i &Tri)
 
void SetTriangleUVs (int Index, int A, int B, int C)
 
void SetTriangleUVs (int Index, int A, int B, int C, bool bClockwiseOverride)
 
void SetTriangleNormals (int Index, const FIndex3i &Tri)
 
void SetTriangleNormals (int Index, int A, int B, int C)
 
void SetTriangleNormals (int Index, int A, int B, int C, bool bClockwiseOverride)
 
void SetTrianglePolygon (int Index, int PolygonID)
 
void SetTriangleWithMatchedUVNormal (int Index, int A, int B, int C)
 

Public Attributes

float Radius = 1
 
ESphereProjectionMethod SphereProjectionMethod = ESphereProjectionMethod::CubeMapping
 
- Public Attributes inherited from UE::Geometry::FGridBoxMeshGenerator
FOrientedBox3d Box
 
FIndex3i EdgeVertices { 8,8,8 }
 
bool bScaleUVByAspectRatio = true
 
bool bPolygroupPerQuad = false
 
- Public Attributes inherited from UE::Geometry::FMeshShapeGenerator
TArray< FVector3dVertices
 
TArray< FVector2fUVs
 
TArray< int > UVParentVertex
 
TArray< FVector3fNormals
 
TArray< int > NormalParentVertex
 
TArray< FIndex3iTriangles
 
TArray< FIndex3iTriangleUVs
 
TArray< FIndex3iTriangleNormals
 
TArray< int > TrianglePolygonIDs
 
bool bReverseOrientation = false
 

Additional Inherited Members

- Static Public Member Functions inherited from UE::Geometry::FMeshShapeGenerator
static FVector3d BilinearInterp (const FVector3d &v00, const FVector3d &v10, const FVector3d &v11, const FVector3d &v01, double tx, double ty)
 
static FVector2d BilinearInterp (const FVector2d &v00, const FVector2d &v10, const FVector2d &v11, const FVector2d &v01, double tx, double ty)
 
static FVector2f BilinearInterp (const FVector2f &v00, const FVector2f &v10, const FVector2f &v11, const FVector2f &v01, float tx, float ty)
 
static FVector3i LinearInterp (const FVector3i &a, const FVector3i &b, double t)
 

Detailed Description

Generate a sphere by pushing a boxes vertices onto a sphere – often more useful

Member Enumeration Documentation

◆ ESphereProjectionMethod

Options for methods to project cube vertices to the sphere

Enumerator
NormalizedVector 
CubeMapping 

Member Function Documentation

◆ Generate()

FMeshShapeGenerator & UE::Geometry::FBoxSphereGenerator::Generate ( )
inlineoverridevirtual

Generate the mesh

Reimplemented from UE::Geometry::FGridBoxMeshGenerator.

Member Data Documentation

◆ Radius

float UE::Geometry::FBoxSphereGenerator::Radius = 1

Sphere radius

◆ SphereProjectionMethod

ESphereProjectionMethod UE::Geometry::FBoxSphereGenerator::SphereProjectionMethod = ESphereProjectionMethod::CubeMapping

The documentation for this class was generated from the following file: