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  3. UGeometryScriptLibrary_MeshUVFunctions

UGeometryScriptLibrary_MeshUVFunctions

API > API/Plugins > API/Plugins/GeometryScriptingCore > API/Plugins/GeometryScriptingCore/GeometryScript

Inheritance Hierarchy

References

   
Module GeometryScriptingCore
Header /Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshUVFunctions.h
Include #include "GeometryScript/MeshUVFunctions.h"

Syntax

UCLASS&40;Meta&61;&40;ScriptName&61;"GeometryScript_UVs"&41;&41;  
class UGeometryScriptLibrary_MeshUVFunctions : public UBlueprintFunctionLibrary

Functions

  Type Name Description
Public function Static UDynamicMesh * Computes new UVs for the specified UV Channel using PatchBuilder method in the Options, and optionally packs.
Public function Static UDynamicMesh * Computes new UVs for the specified UV Channel using XAtlas, and optionally packs.
Public function Static UDynamicMesh *

ComputeMeshLocalUVParam ( UDynamicMesh* TargetMesh,
FVector CenterPoint,
int32 CenterPointTriangleID,
TArray< int >& VertexIDs,
TArray< FVector2D >& VertexUVs,
double Radius,
bool bUseInterpolatedNormal,
FVector TangentYDirection,
double UVRotationDeg,
UGeometryScriptDebug* Debug
)

 Compute local UV parameterization on TargetMesh vertices around the given CenterPoint / Triangle.
Public function Static UDynamicMesh *

CopyMeshToMeshUVLayer ( UDynamicMesh* CopyFromUVMesh,
int ToUVSetIndex,
UDynamicMesh* CopyToMesh,
UDynamicMesh*& CopyToMeshOut,
bool& bFoundTopologyErrors,
bool& bIsValidUVSet,
bool bOnlyUVPositions,
UGeometryScriptDebug* Debug
)

 Transfer the 3D vertex positions and triangles of CopyFromUVMesh to the given UV Channel identified by ToUVChannel of CopyToMesh.
Public function Static UDynamicMesh *

CopyMeshUVLayerToMesh ( UDynamicMesh* CopyFromMesh,
int UVSetIndex,
UDynamicMesh* CopyToUVMesh,
UDynamicMesh*& CopyToUVMeshOut,
bool& bInvalidTopology,
bool& bIsValidUVSet,
UGeometryScriptDebug* Debug
)

 Copy the 2D UVs from the given UV Channel in CopyFromMesh to the 3D vertex positions in CopyToUVMesh, with the triangle mesh topology defined by the UV Channel.
Public function Static UDynamicMesh *

CopyUVSet ( UDynamicMesh* TargetMesh,
int FromUVSet,
int ToUVSet,
UGeometryScriptDebug* Debug
)

 Copy the data in one UV Channel to another UV Channel on the same Target Mesh.
Public function Static UDynamicMesh *

GetMeshPerVertexUVs ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FGeometryScriptUVList& UVList,
bool& bIsValidUVSet,
bool& bHasVertexIDGaps,
bool& bHasSplitUVs,
UGeometryScriptDebug* Debug
)

 Get a list of single vertex UVs for each mesh vertex in the TargetMesh, derived from the specified UV Channel.
Public function Static UDynamicMesh *

GetMeshUVSizeInfo ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FGeometryScriptMeshSelection Selection,
double& MeshArea,
double& UVArea,
FBox& MeshBounds,
FBox2D& UVBounds,
bool& bIsValidUVSet,
bool& bFoundUnsetUVs,
bool bOnlyIncludeValidUVTris,
UGeometryScriptDebug* Debug
)

 Compute information about dimensions and areas for a UV Set of a Mesh, with an optional Mesh Selection
Public function Static UDynamicMesh * Recomputes UVs in the UV Channel for a Mesh based on different types of well-defined UV islands, such as existing UV islands, PolyGroups, or a subset of the mesh based on a non-empty Selection.
Public function Static UDynamicMesh *

RepackMeshUVs ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FGeometryScriptRepackUVsOptions RepackOptions,
UGeometryScriptDebug* Debug
)

 Packs the existing UV islands in the specified UV Channel into standard UV space based on the Repack Options.
Public function Static UDynamicMesh *

RotateMeshUVs ( UDynamicMesh* TargetMesh,
int UVSetIndex,
float RotationAngle,
FVector2D RotationOrigin,
FGeometryScriptMeshSelection Selection,
UGeometryScriptDebug* Debug
)

 Update all the selected UV values in the specified UV Channel by a rotation of Rotation Angle (in degrees) relative to the Rotation Origin.
Public function Static UDynamicMesh *

ScaleMeshUVs ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FVector2D Scale,
FVector2D ScaleOrigin,
FGeometryScriptMeshSelection Selection,
UGeometryScriptDebug* Debug
)

 Update all selected UV values in the specified UV Channel by Scale, mathematically the new value is given by (UV - ScaleOrigin) * Scale + ScaleOrigin If the provided Selection is empty, the update is applied to the entire UV Channel.
Public function Static UDynamicMesh *

SetMeshTriangleUVs ( UDynamicMesh* TargetMesh,
int UVSetIndex,
int TriangleID,
FGeometryScriptUVTriangle UVs,
bool& bIsValidTriangle,
bool bDeferChangeNotifications
)

 Sets the UVs of a mesh triangle in the given UV Channel.
Public function Static UDynamicMesh *

SetMeshUVsFromBoxProjection ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FTransform BoxTransform,
FGeometryScriptMeshSelection Selection,
int MinIslandTriCount,
UGeometryScriptDebug* Debug
)

 Using Box Projection, update the UVs in the UV Channel for an entire mesh or a subset defined by a non-empty Selection.
Public function Static UDynamicMesh *

SetMeshUVsFromCylinderProjection ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FTransform CylinderTransform,
FGeometryScriptMeshSelection Selection,
float SplitAngle,
UGeometryScriptDebug* Debug
)

 Using Cylinder Projection, update the UVs in the UV Channel for an entire mesh or a subset defined by a non-empty Selection.
Public function Static UDynamicMesh *

SetMeshUVsFromPlanarProjection ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FTransform PlaneTransform,
FGeometryScriptMeshSelection Selection,
UGeometryScriptDebug* Debug
)

 Scale of PlaneTransform defines world-space dimension that maps to 1 UV dimension
Public function Static UDynamicMesh *

SetNumUVSets ( UDynamicMesh* TargetMesh,
int NumUVSets,
UGeometryScriptDebug* Debug
)

 Set the number of UV Channels on the Target Mesh.
Public function Static UDynamicMesh *

TranslateMeshUVs ( UDynamicMesh* TargetMesh,
int UVSetIndex,
FVector2D Translation,
FGeometryScriptMeshSelection Selection,
UGeometryScriptDebug* Debug
)

 Update all selected UV values in the specified UV Channel by adding the Translation value to each.

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