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> Unreal Engine API Reference > Editor > BlueprintGraph > UK2Node_MathExpression

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UK2Node_MathExpression

This node type acts like a collapsed node, a single node that represents a larger sub-network of nodes (contained within a sub-graph).

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UEdGraphNode

UK2Node

UK2Node_EditablePinBase

UK2Node_Tunnel

UK2Node_Composite

UK2Node_MathExpression

References

Module	BlueprintGraph
Header	/Engine/Source/Editor/BlueprintGraph/Classes/K2Node_MathExpression.h
Include	#include "K2Node_MathExpression.h"

Syntax

class UK2Node_MathExpression : public UK2Node_Composite

Remarks

This node type acts like a collapsed node, a single node that represents a larger sub-network of nodes (contained within a sub-graph). This node will take the math expression it was named with, and attempt to convert it into a series of math nodes. If it is unsuccessful, then it generates a series of actionable errors.

Variables

		Name	Description
	bool	bMadeAfterRotChange
	FString	Expression	The math expression to evaluate.

Constructors

	Name	Description
	UK2Node_MathExpression ( const FObjectInitializer& ObjectIn... )

Overridden from UK2Node_EditablePinBase

		Name	Description
	bool	CanCreateUserDefinedPin ( const FEdGraphPinType& InPinType, EEdGraphPinDirection InDesiredDirec..., FText& OutErrorMessage )	Queries if a user defined pin of the passed type can be constructed on this node.

Overridden from UK2Node

	Name	Description
FNodeHandlin...	CreateNodeHandler ( FKismetCompilerContext& CompilerCo... )
void	GetMenuActions ( FBlueprintActionDatabaseRegistrar&... )	Replacement for GetMenuEntries().
bool	IsNodePure()	Returns whether this node is considered 'pure' by the compiler

Overridden from UEdGraphNode

	Name	Description
void	FindDiffs ( UEdGraphNode* OtherNode, FDiffResults& Results )	Gives the node the option to customize how diffs are discovered within it.
FText	GetNodeTitle ( ENodeTitleType::Type TitleType )	Gets the name of this node, shown in title bar
TSharedPtr< ...	MakeNameValidator()	Create a name validator for this node
void	OnRenameNode ( const FString& NewName )	Called when this node is being renamed after a successful name validation
void	PostPlacedNewNode()	A chance to initialize a new node; called just once when a new node is created, before AutowireNewNode or AllocateDefaultPins is called.
void	ReconstructNode()	Refresh the connectors on a node, preserving as many connections as it can.
bool	ShouldMergeChildGraphs()	If the node has a subgraph, should they be merged into the main graph?
void	ValidateNodeDuringCompilation ( FCompilerResultsLog& MessageLog )	Gives each visual node a chance to do final validation before it's node is harvested for use at runtime.

Overridden from UObject

		Name	Description
	void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally
	void	Serialize ( FArchive& Ar )	Handles reading, writing, and reference collecting using FArchive.

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