65 lines
3.4 KiB
C++
65 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "ChaosClothAsset/SimulationBaseConfigNode.h"
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#include "Chaos/SoftsSimulationSpace.h"
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#include "SimulationDampingConfigNode.generated.h"
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/** Damping properties configuration node.*/
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USTRUCT(Meta = (DataflowCloth))
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struct FChaosClothAssetSimulationDampingConfigNode : public FChaosClothAssetSimulationBaseConfigNode
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{
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GENERATED_USTRUCT_BODY()
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DATAFLOW_NODE_DEFINE_INTERNAL(FChaosClothAssetSimulationDampingConfigNode, "SimulationDampingConfig", "Cloth", "Cloth Simulation Damping Config")
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public:
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/**
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* The amount of global damping applied to the cloth velocities, also known as point damping.
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* Point damping improves simulation stability, but can also cause an overall slow-down effect and therefore is best left to very small percentage amounts.
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*/
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UPROPERTY(EditAnywhere, DisplayName = "Damping Coefficient", Category = "Damping Properties", Meta = (UIMin = "0", UIMax = "1", ClampMin = "0", ClampMax = "1", InteractorName = "DampingCoefficient"))
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FChaosClothAssetWeightedValue DampingCoefficientWeighted = {true, 0.01f, 0.01f, TEXT("DampingCoefficient")};
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/**
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* The space in which local damping is calculated. Center of mass adds the expense of calculating the center of mass.
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*/
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UPROPERTY(EditAnywhere, Category = "Damping Properties", Meta = (InteractorName = "LocalDampingSpace"))
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EChaosSoftsLocalDampingSpace LocalDampingSpace = EChaosSoftsLocalDampingSpace::CenterOfMass;
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/**
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* The amount of local linear damping applied to the cloth velocities.
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* This type of damping only damps individual deviations of the particles velocities from the global linear motion.
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* It makes the cloth deformations more cohesive and reduces jitter without affecting the overall movement.
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* It can also produce synchronization artifacts where part of the cloth mesh are disconnected (which might well be desirable, or not).
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*/
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UPROPERTY(EditAnywhere, Category = "Damping Properties", Meta = (UIMin = "0", UIMax = "1", ClampMin = "0", ClampMax = "1", InteractorName = "LocalDampingLinearCoefficient"))
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float LocalDampingLinearCoefficient = 0.f;
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/**
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* The amount of local angular damping applied to the cloth velocities.
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* This type of damping only damps individual deviations of the particles velocities from the global angular motion.
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* It makes the cloth deformations more cohesive and reduces jitter without affecting the overall movement.
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* It can also produce synchronization artifacts where part of the cloth mesh are disconnected (which might well be desirable, or not).
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*/
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UPROPERTY(EditAnywhere, Category = "Damping Properties", Meta = (EditCondition = "bEnableLocalDampingAngular", UIMin = "0", UIMax = "1", ClampMin = "0", ClampMax = "1", InteractorName = "LocalDampingAngularCoefficient"))
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float LocalDampingAngularCoefficient = 0.f;
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FChaosClothAssetSimulationDampingConfigNode(const UE::Dataflow::FNodeParameters& InParam, FGuid InGuid = FGuid::NewGuid());
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virtual void Serialize(FArchive& Ar) override;
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private:
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virtual void AddProperties(FPropertyHelper& PropertyHelper) const override;
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// Deprecated properties
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#if WITH_EDITORONLY_DATA
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static constexpr float DeprecatedDampingCoefficientValue = -1.f; // This is outside the settable range when it wasn't deprecated.
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UPROPERTY()
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float DampingCoefficient_DEPRECATED = DeprecatedDampingCoefficientValue;
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UPROPERTY()
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float LocalDampingCoefficient_DEPRECATED = DeprecatedDampingCoefficientValue;
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#endif
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};
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