FDynamicMeshUVPacker

[FDynamicMeshUVPacker](API\Plugins\DynamicMesh\Parameterization\FDynamicMeshUVPacker) implements various strategies for packing UV islands in a UV Overlay.

Windows
MacOS
Linux

References

Module

DynamicMesh

Header

/Engine/Plugins/Experimental/GeometryProcessing/Source/DynamicMesh/Public/Parameterization/MeshUVPacking.h

Include

#include "Parameterization/MeshUVPacking.h"

Syntax

class FDynamicMeshUVPacker

Remarks

FDynamicMeshUVPacker implements various strategies for packing UV islands in a UV Overlay. The island topology and UV unwraps must already be created, this class simply scales/rotates/translates the islands to fit.

Variables

Name Description

Public variable

bool

 

bAllowFlips

If true, islands can be flipped in addition to rotate/translate/scale

Public variable

float

 

GutterSize

Thickness of gutter/border in pixel dimensions. Not supported by all packing methods

Public variable

int32

 

TextureResolution

Resolution of the target texture. This is used to convert pixel gutter/border thickness to UV space

Public variable

FDynamicMeshUVO...

 

UVOverlay

The UV Overlay we will be repacking

Constructors

Name Description

Public function

FDynamicMeshUVPacker

(
    FDynamicMeshUVOverlay* UVOverl...
)

Functions

Name Description

Public function

bool

 

StackPack()

Uniformly scale all UV islands so that the largest fits in positive-unit-square, and translate each islands separately so that it's bbox-min is at the origin.

Public function

bool

 

StandardPack()

Standard UnrealEngine UV layout, similar to that used for Lightmap UVs.
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