FDynamicMeshToMeshDescription

Convert [FDynamicMesh3](API\Plugins\DynamicMesh\FDynamicMesh3) to [FMeshDescription](API\Runtime\MeshDescription\FMeshDescription)

Windows
MacOS
Linux

References

Module

MeshConversion

Header

/Engine/Plugins/Experimental/GeometryProcessing/Source/MeshConversion/Public/DynamicMeshToMeshDescription.h

Include

#include "DynamicMeshToMeshDescription.h"

Syntax

class FDynamicMeshToMeshDescription

Remarks

Variables

Name Description

Public variable

bool

 

bPrintDebugMessages

If true, will print some possibly-helpful debugging spew to output log

Public variable

FConversionToMe...

 

ConversionOptions

General settings for conversions to mesh description

Constructors

Functions

Name Description

Public function

void

 

Convert

(
    const FDynamicMesh3* MeshIn,
    FMeshDescription& MeshOut
)

Default conversion of DynamicMesh to MeshDescription. Calls functions below depending on mesh state

Public function

void

 

Convert_NoAttributes

(
    const FDynamicMesh3* MeshIn,
    FMeshDescription& MeshOut
)

Internal functions that you can also call directly Ignore any Attributes on input Mesh, calculate per-vertex normals and have MeshDescription compute tangents.

Public function

void

 

Convert_NoSharedInstances

(
    const FDynamicMesh3* MeshIn,
    FMeshDescription& MeshOut
)

Convert with no shared VertexInstances.

Public function

void

 

Convert_SharedInstances

(
    const FDynamicMesh3* MeshIn,
    FMeshDescription& MeshOut
)

Convert while minimizing VertexInstance count, IE new VertexInstances are only created if a unique UV or Normal is required.

Public function

bool

 

HaveMatchingElementCounts

(
    const FDynamicMesh3* DynamicMe...,
    const FMeshDescription* MeshDe...
)

Checks if element counts match.

Public function Static

bool

 

HaveMatchingElementCounts

(
    const FDynamicMesh3* DynamicMe...,
    const FMeshDescription* MeshDe...,
    bool bVerticesOnly,
    bool bAttributesOnly
)

Checks if element counts match. If false then Update can't be called you must call Convert

Public function

void

 

Update

(
    const FDynamicMesh3* MeshIn,
    FMeshDescription& MeshOut,
    bool bUpdateNormals,
    bool bUpdateUVs
)

Update existing MeshDescription based on DynamicMesh.

Public function

void

 

UpdateAttributes

(
    const FDynamicMesh3* MeshIn,
    FMeshDescription& MeshOut,
    bool bUpdateNormals,
    bool bUpdateUVs
)

Update only attributes, assuming the mesh topology has not changed.
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