UMaterialExpressionSpeedTree | Unreal Engine 5.7 Documentation

API > API/Runtime > API/Runtime/Engine


Name	UMaterialExpressionSpeedTree
Type	class
Header File	/Engine/Source/Runtime/Engine/Public/Materials/MaterialExpressionSpeedTree.h
Include Path	#include "Materials/MaterialExpressionSpeedTree.h"

Syntax

UCLASS (CollapseCategories, HideCategories=Object, MinimalAPI)  
class UMaterialExpressionSpeedTree : public UMaterialExpression

Inheritance Hierarchy

UObjectBase → UObjectBaseUtility → UObject → UMaterialExpression → UMaterialExpressionSpeedTree

Variables

Public

Name	Type	Include Path	Unreal Specifiers
bAccurateWindVelocities	bool	Materials/MaterialExpressionSpeedTree.h	EditAnywhere Category=MaterialExpressionSpeedTree AdvancedDisplay Meta=(DisplayName="Accurate Wind Velocities", ToolTip="Support accurate velocities from wind. This will incur extra cost per vertex.")
BillboardThreshold	float	Materials/MaterialExpressionSpeedTree.h	EditAnywhere Category=MaterialExpressionSpeedTree Meta=(DisplayName="Billboard Threshold", ToolTip="The threshold for triangles to be removed from the bilboard mesh when not facing the camera (0 = none pass, 1 = all pass).", ClampMin="0.0", ClampMax="1.0", UIMin="0.0", UIMax="1.0")
ExtraBendWS	FExpressionInput	Materials/MaterialExpressionSpeedTree.h	Meta=(RequiredInput="false", ToolTip="An extra bending of the tree for local effects")
GeometryInput	FExpressionInput	Materials/MaterialExpressionSpeedTree.h	Meta=(RequiredInput="false", ToolTip="Defaults to 'WindType' if not specified")
GeometryType	TEnumAsByte< enum ESpeedTreeGeometryType >	Materials/MaterialExpressionSpeedTree.h	EditAnywhere Category=MaterialExpressionSpeedTree Meta=(DisplayName="Geometry Type", ToolTip="The type of SpeedTree geometry on which this material will be used")
LODInput	FExpressionInput	Materials/MaterialExpressionSpeedTree.h	Meta=(RequiredInput="false", ToolTip="Defaults to 'LODType' if not specified")
LODType	TEnumAsByte< enum ESpeedTreeLODType >	Materials/MaterialExpressionSpeedTree.h	EditAnywhere Category=MaterialExpressionSpeedTree Meta=(DisplayName="LOD Type", ToolTip="The type of LOD to use")
WindInput	FExpressionInput	Materials/MaterialExpressionSpeedTree.h	Meta=(RequiredInput="false", ToolTip="Defaults to 'GeometryType' if not specified")
WindType	TEnumAsByte< enum ESpeedTreeWindType >	Materials/MaterialExpressionSpeedTree.h	EditAnywhere Category=MaterialExpressionSpeedTree Meta=(DisplayName="Wind Type", ToolTip="The type of wind effect used on this tree. This can only go as high as it was in the SpeedTree Modeler, but you can set it to a lower option for lower quality wind and faster rendering.")

Functions

Public

Overridden from UMaterialExpression

Name	Remarks	Include Path	Unreal Specifiers
virtual int32 Compile ( FMaterialCompiler* Compiler, int32 OutputIndex )	Create the new shader code chunk needed for the Abs expression	Materials/MaterialExpressionSpeedTree.h
virtual void GetCaption ( TArray< FString >& OutCaptions ) const	Returns the text to display on the material expression (in the material editor).	Materials/MaterialExpressionSpeedTree.h

Overridden from UObject

Name	Remarks	Include Path	Unreal Specifiers
virtual bool CanEditChange ( const FProperty* InProperty ) const		Materials/MaterialExpressionSpeedTree.h
virtual void Serialize ( FStructuredArchive::FRecord Record )		Materials/MaterialExpressionSpeedTree.h

Navigation

Syntax

Inheritance Hierarchy

Variables

Public

Functions

Public

Overridden from UMaterialExpression

Overridden from UObject