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  3. UUVLayoutPreview

UUVLayoutPreview

[UUVLayoutPreview](API\Plugins\ModelingComponents\Drawing\UUVLayoutPreview) is a utility object that creates and manages a 3D plane on which a UV layout for a 3D mesh is rendered.

API > API/Plugins > API/Plugins/ModelingComponents > API/Plugins/ModelingComponents/Drawing

Inheritance Hierarchy

References

   
Module ModelingComponents
Header /Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Drawing/UVLayoutPreview.h
Include #include "Drawing/UVLayoutPreview.h"

Syntax

UCLASS (Transient)  
class UUVLayoutPreview : public UObject

Remarks

UUVLayoutPreview is a utility object that creates and manages a 3D plane on which a UV layout for a 3D mesh is rendered. The UV layout

Variables

  Type Name Description
Public variable UProperty TObjectPtr< UMaterialInterface > BackingRectangleMaterial Configure the backing rectangle material
Protected variable bool bSettingsModified  
Public variable UProperty bool bShowBackingRectangle Configure whether the backing rectangle should be shown
Protected variable FViewCameraState CameraState  
Protected variable UE::Geometry::FFrame3d CurrentWorldFrame  
Public variable UProperty TObjectPtr< UMeshElementsVisualizer > MeshElementsVisualizer MeshElementsVisualizer references the PreviewMesh to handle drawing the wireframes for UVs
Public variable UProperty TObjectPtr< UPreviewMesh > PreviewMesh PreviewMesh is initialized with a copy of an input mesh with UVs mapped to position, ie such that (X,Y,Z) = (U,V,0)
Public variable UProperty TObjectPtr< UUVLayoutPreviewProperties > Settings Visualization settings
Protected variable FComponentMaterialSet SourceMaterials  
Protected variable UE::Geometry::FFrame3d SourceObjectFrame  
Protected variable UE::Geometry::FAxisAlignedBox3d SourceObjectWorldBounds  
Public variable UProperty TObjectPtr< UTriangleSetComponent > TriangleComponent Set of additional triangles to draw, eg for backing rectangle, etc

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Public function void

CreateInWorld ( UWorld* World
)

 Create preview mesh in the World with the given transform
Public function void Remove and destroy preview mesh
Protected function float  
Public function void

OnTick ( float DeltaTime
)

 Tick the UV Layout Preview, allowing it to update various settings
Protected function void  
Public function void Render the UV Layout Preview, allowing it to update various settings
Public function void

SetCurrentCameraState ( const FViewCameraState& CameraState
)

 Update the current camera state, used to auto-position the UV layout preview
Public function void

SetSourceMaterials ( const FComponentMaterialSet& MaterialSet
)

 Configure material set for UV-space preview mesh
Public function void

SetSourceWorldPosition ( FTransform WorldTransform,
FBox WorldBounds
)

 Specify the current world transform/bounds for the target object.
Public function void

SetTransform ( const FTransform& UseTransform
)

 Set the transform on the UV Layout preview mesh
Public function void

SetVisible ( bool bVisible
)

 Set the visibility of the UV Layout preview mesh
Public function void

UpdateUVMesh ( const FDynamicMesh3* SourceMesh,
int32 SourceUVLayer
)

 Notify the UV Layout Preview that the source UVs have been modified

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