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  3. FUniformFractureDataflowNode

FUniformFractureDataflowNode

Editor Fracture Mode / Fracture / Uniform tool Fracture using a Voronoi diagram with a uniform random pattern, creating fracture pieces of similar volume across the shape.

API > API/Plugins > API/Plugins/GeometryCollectionNodes

Editor Fracture Mode / Fracture / Uniform tool Fracture using a Voronoi diagram with a uniform random pattern, creating fracture pieces of similar volume across the shape.

   
Name FUniformFractureDataflowNode
Type struct
Header File /Engine/Plugins/Experimental/GeometryCollectionPlugin/Source/GeometryCollectionNodes/Public/Dataflow/GeometryCollectionFracturingNodes.h
Include Path #include "Dataflow/GeometryCollectionFracturingNodes.h"

Syntax

USTRUCT (Meta=(DataflowGeometryCollection))  
struct FUniformFractureDataflowNode : public FDataflowNode

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

FUniformFractureDataflowNode ( const UE::Dataflow::FNodeParameters& InParam,
FGuid InGuid
)

   Dataflow/GeometryCollectionFracturingNodes.h  

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
AddSamplesForCollision bool If enabled, add extra vertices (without triangles) to the geometry in regions where vertices are spaced too far apart (e.g. across large triangles) These extra vertices will be used as collision samples in particle-implicit collisions, and can help the physics system detect collisions more accurately Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Collision"
Amplitude float Size of the Perlin noise displacement (in cm). If 0, no noise will be applied Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Noise"
  • Meta=(DataflowInput, UIMin=0.f)
ChanceToFracture float Chance to fracture each selected bone. If 0, no bones will fracture; if 1, all bones will fracture. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Common Fracture"
  • Meta=(DataflowInput, UIMin="0.0", UIMax="1.0", ClampMin="0.0", ClampMax="1.0")
Collection FManagedArrayCollection Collection to fracture Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowInput, DataflowOutput, DataflowPassthrough="Collection", DataflowIntrinsic)
CollisionSampleSpacing float The number of centimeters to allow between vertices on the mesh surface: If there are gaps larger than this, add additional vertices (without triangles) to help support particle-implicit collisions Only used if Add Samples For Collision is enabled Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Collision"
  • Meta=(DataflowInput, UIMin=0.f, EditCondition="AddSamplesForCollision")
Frequency float Period of the Perlin noise. Smaller values will create a smoother noise pattern Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Noise"
  • Meta=(DataflowInput, UIMin=0.00001f)
GroupFracture bool Generate a fracture pattern across all selected meshes. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Common Fracture"
Grout float Amount of space to leave between cut pieces Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Common Fracture"
  • Meta=(DataflowInput, UIMin=0.f)
InternalMaterialID int32 ID for the material for the newly created internal faces Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Materials"
  • Meta=(DataflowInput, UIMin="0", UIMax="10", ClampMin="0")
Lacunarity float Lacunarity of the layers of Perlin noise. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Noise"
  • Meta=(DataflowInput, UIMin=0.f)
MaxVoronoiSites int32 Maximum Number of Voronoi sites. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Uniform Voronoi"
  • Meta=(DataflowInput, UIMin="1", UIMax="5000", ClampMin="1")
MinVoronoiSites int32 Minimum Number of Voronoi sites. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Uniform Voronoi"
  • Meta=(DataflowInput, UIMin="1", UIMax="5000", ClampMin="1")
NewGeometryTransformSelection FDataflowTransformSelection Fractured Pieces Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowOutput, DisplayName="FracturedTransformSelection ")
OctaveNumber int32 Number of fractal layers of Perlin noise to apply. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Noise"
  • Meta=(DataflowInput, UIMin=0, ClampMin=0)
Persistence float Persistence of the layers of Perlin noise. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Noise"
  • Meta=(DataflowInput, UIMin=0.f)
PointSpacing float Distance (in cm) between vertices on cut surfaces where noise is added. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Noise"
  • Meta=(DataflowInput, UIMin=0.f)
RandomSeed int32 Random number generator seed for repeatability. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Common Fracture"
  • Meta=(DataflowInput, UIMin="-1", UIMax="5000", ClampMin="-1")
SplitIslands bool Whether to split the fractured mesh pieces based on geometric connectivity after fracturing Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Common Fracture"
Transform FTransform Transform to apply Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowInput)
TransformSelection FDataflowTransformSelection Bones to fracture, if not connected it will fracture all the bones Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowInput, DataflowOutput, DataflowPassthrough="TransformSelection", DisplayName="TransformSelection")

Functions

Public

Name Remarks Include Path Unreal Specifiers

DATAFLOW_NODE_DEFINE_INTERNAL ( FUniformFractureDataflowNode,
"UniformFracture",
"GeometryCollection|Fracture",
""
)

   Dataflow/GeometryCollectionFracturingNodes.h  

FGeometryCollection::StaticType()

   Dataflow/GeometryCollectionFracturingNodes.h  

Overridden from FDataflowNode

Name Remarks Include Path Unreal Specifiers

virtual void Evaluate ( UE::Dataflow::FContext& Context,
const FDataflowOutput* Out
) const

   Dataflow/GeometryCollectionFracturingNodes.h  

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