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  3. FMeshCutterDataflowNode

FMeshCutterDataflowNode

Editor Fracture Mode / Fracture / Mesh tool Fracture using the shape of a chosen static mesh and/or array of dynamic meshes

API > API/Plugins > API/Plugins/GeometryCollectionNodes

Editor Fracture Mode / Fracture / Mesh tool Fracture using the shape of a chosen static mesh and/or array of dynamic meshes

   
Name FMeshCutterDataflowNode
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 FMeshCutterDataflowNode : public FDataflowNode

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

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

   Dataflow/GeometryCollectionFracturingNodes.h  

Variables

Public

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"
  
BoundingBox DATAFLOW_NODE_DEFINE_INTERNAL(FMeshCutterDataflowNode, "MeshCutter", "GeometryCollection Fracture", "") public FBox Collection to cut Boundingbox to create the cutting planes in Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowInput)
bRandomOrientation bool Whether to randomly vary the orientation of the cutting meshes Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(EditCondition="CutDistribution != EMeshCutterCutDistribution::SingleCut", EditConditionHides)
  
bUseHiRes bool If using a Static Mesh to cut, attempt to use the Nanite HiRes source mesh, if available and non-empty. Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="StaticMesh"
  • Meta=(DisplayName="Use HiRes")
  
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.f, UIMax=1.f)
  
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, DisplayName="Point Spacing", UIMin=0.f, EditCondition="AddSamplesForCollision")
  
CutDistribution EMeshCutterCutDistribution How to arrange the mesh cuts in space Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  
CuttingDynamicMeshes TArray< TObjectPtr< UDynamicMesh > > Dynamic Meshes to cut with Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Mesh"
  • Meta=(DataflowInput)
  
CuttingStaticMesh TObjectPtr< UStaticMesh > Static Mesh to cut with Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="StaticMesh"
  • Meta=(DataflowInput)
  
GridX int32 Number of meshes to add to grid in X Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, DisplayName="Grid Width", ClampMin="1", UIMax="100", ClampMax="5000", EditCondition="CutDistribution == EMeshCutterCutDistribution::Grid", EditConditionHides)
  
GridY int32 Number of meshes to add to grid in Y Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, DisplayName="Grid Depth", ClampMin="1", UIMax="100", ClampMax="5000", EditCondition="CutDistribution == EMeshCutterCutDistribution::Grid", EditConditionHides)
  
GridZ int32 Number of meshes to add to grid in Z Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, DisplayName="Grid Height", ClampMin="1", UIMax="100", ClampMax="5000", EditCondition="CutDistribution == EMeshCutterCutDistribution::Grid", EditConditionHides)
  
LODLevel int32 If using a Static Mesh to cut, and not using the Nanite HiRes source mesh, use this LOD level's mesh Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="StaticMesh"
  • Meta=(DisplayName="LOD Level")
  
MaxScaleFactor float Maximum scale factor to apply to cutting meshes. A random scale will be chosen between Min and Max Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, ClampMin="0.001", EditCondition="CutDistribution != EMeshCutterCutDistribution::SingleCut", EditConditionHides)
  
MinScaleFactor float Minimum scale factor to apply to cutting meshes. A random scale will be chosen between Min and Max Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, ClampMin="0.001", EditCondition="CutDistribution != EMeshCutterCutDistribution::SingleCut", EditConditionHides)
  
NewGeometryTransformSelection FDataflowTransformSelection Fractured Pieces Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowOutput, DisplayName="FracturedTransformSelection ")
  
NumberToScatter int32 Number of meshes to random scatter Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, ClampMin="1", UIMax="5000", EditCondition="CutDistribution == EMeshCutterCutDistribution::UniformRandom", EditConditionHides)
  
PerCutMeshSelection EMeshCutterPerCutMeshSelection When there are multiple cutting meshes, how to choose the cut mesh to apply at each location Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  
PitchRange float Pitch will be chosen between -Range and +Range Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, DisplayName="+/- Pitch Range", EditCondition="CutDistribution != EMeshCutterCutDistribution::SingleCut && bRandomOrientation", EditConditionHides, ClampMin="0", ClampMax="180")
  
RandomSeed int32 Seed for random Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category="Common Fracture"
  • Meta=(DataflowInput, UIMin="0")
  
RollRange float Roll will be chosen between -Range and +Range Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, DisplayName="+/- Roll Range", EditCondition="CutDistribution != EMeshCutterCutDistribution::SingleCut && bRandomOrientation", EditConditionHides, ClampMin="0", ClampMax="180")
  
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 to cut planes Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowInput, DisplayName="Transform")
  
TransformSelection FDataflowTransformSelection The selected pieces to cut Dataflow/GeometryCollectionFracturingNodes.h
  • Meta=(DataflowInput, DataflowOutput, DataflowPassthrough="TransformSelection", DisplayName="TransformSelection")
  
Variability float Magnitude of random displacement to cutting meshes Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, DisplayName="Variability", EditCondition="CutDistribution == EMeshCutterCutDistribution::Grid", EditConditionHides, UIMin="0.0", ClampMin="0.0")
  
YawRange float Yaw will be chosen between -Range and +Range Dataflow/GeometryCollectionFracturingNodes.h
  • EditAnywhere
  • Category=Distribution
  • Meta=(DataflowInput, DisplayName="+/- Yaw Range", EditCondition="CutDistribution != EMeshCutterCutDistribution::SingleCut && bRandomOrientation", EditConditionHides, ClampMin="0", ClampMax="180")
  

Functions

Public

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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