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  3. UGeometryScriptLibrary_MeshNormalsFunctions

UGeometryScriptLibrary_MeshNormalsFunctions

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

Inheritance Hierarchy

References

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

Syntax

UCLASS&40;Meta&61;&40;ScriptName&61;"GeometryScript_Normals"&41;&41;  
class UGeometryScriptLibrary_MeshNormalsFunctions : public UBlueprintFunctionLibrary

Functions

  Type Name Description
Public function Static UDynamicMesh * Attempt to repair inconsistent normals in TargetMesh.
Public function Static UDynamicMesh * Recompute hard edges / split-normals for TargetMesh based on the provided SplitOptions, and then recompute the new shared triangle-vertex normals using the given CalculateOptions.
Public function Static UDynamicMesh * Recompute Tangents for the TargetMesh, using the method and settings specified by FGeometryScriptTangentsOptions
Public function Static UDynamicMesh * Remove any existing Tangents Attribute Layer from the TargetMesh
Public function Static UDynamicMesh * Flip/Invert the normal vectors of TargetMesh by multiplying them by -1, as well as reversing the mesh triangle orientations, ie triangle (a,b,c) becomes (b,a,c)
Public function Static UDynamicMesh *

GetMeshHasTangents ( UDynamicMesh* TargetMesh,
bool& bHasTangents,
UGeometryScriptDebug* Debug
)

 Check if the TargetMesh has a Tangents Attribute Layer enabled
Public function Static UDynamicMesh *

GetMeshPerVertexNormals ( UDynamicMesh* TargetMesh,
FGeometryScriptVectorList& NormalList,
bool& bIsValidNormalSet,
bool& bHasVertexIDGaps,
bool bAverageSplitVertexValues
)

 Get a list of single normal vectors for each mesh vertex in the TargetMesh, derived from the Normals Overlay.
Public function Static UDynamicMesh *

GetMeshPerVertexTangents ( UDynamicMesh* TargetMesh,
FGeometryScriptVectorList& TangentXList,
FGeometryScriptVectorList& TangentYList,
bool& bIsValidTangentSet,
bool& bHasVertexIDGaps,
bool bAverageSplitVertexValues
)

 Get a list of single tangent vectors for each mesh vertex in the TargetMesh, derived from the Tangents Overlays.
Public function Static UDynamicMesh *

RecomputeNormals ( UDynamicMesh* TargetMesh,
FGeometryScriptCalculateNormalsOptions CalculateOptions,
bool bDeferChangeNotifications,
UGeometryScriptDebug* Debug
)

 Recompute the normals of TargetMesh using the given CalculateOptions.
Public function Static UDynamicMesh *

RecomputeNormalsForMeshSelection ( UDynamicMesh* TargetMesh,
FGeometryScriptMeshSelection Selection,
FGeometryScriptCalculateNormalsOptions CalculateOptions,
bool bDeferChangeNotifications,
UGeometryScriptDebug* Debug
)

 Recompute the normals of TargetMesh on all the triangles/vertices of the given Selection using the given CalculateOptions.
Public function Static UDynamicMesh * Set all normals in the TargetMesh Normals Overlay to the specified per-vertex normals
Public function Static UDynamicMesh * Set all tangents in the TargetMesh Tangents Overlays to the specified per-vertex tangents
Public function Static UDynamicMesh *

SetMeshTriangleNormals ( UDynamicMesh* TargetMesh,
int TriangleID,
FGeometryScriptTriangle Normals,
bool& bIsValidTriangle,
bool bDeferChangeNotifications
)

 Set the triangle-vertex normals for the given TriangleID on the TargetMesh.
Public function Static UDynamicMesh * Recompute the normals of TargetMesh by setting the normals of each triangle vertex to the triangle/face normal.
Public function Static UDynamicMesh * Recompute the normals of TargetMesh by averaging the triangle/face normals around each vertex, using combined area and angle weighting.
Public function Static UDynamicMesh *

UpdateVertexNormal ( UDynamicMesh* TargetMesh,
int VertexID,
bool bUpdateNormal,
FVector NewNormal,
bool bUpdateTangents,
FVector NewTangentX,
FVector NewTangentY,
bool& bIsValidVertex,
bool bMergeSplitValues,
bool bDeferChangeNotifications
)

 Update the Normals and/or Tangents at VertexID of TargetMesh.

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