ClothingSimulationTeleportHelpers.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Math/UnrealMathUtility.h"
 
enum class EClothingTeleportMode : uint8;
 
namespace UE::ClothingSimulation::TeleportHelpers
{
    inline float ComputeTeleportCosineRotationThreshold(float ThresholdInDegrees)
    {
        // Threshold <= 0 disables check.
        // Cos(0) = 1, so set to 1 for all negative values.
        // CalculateClothingTeleport will use ClothTeleportCosineThreshold >= 1 to disable.
        return ThresholdInDegrees > 0.f ? FMath::Cos(FMath::DegreesToRadians(ThresholdInDegrees)) : 1.f;
    }
 
    inline float ComputeTeleportDistanceThresholdSquared(float ThresholdDistance)
    {
        // Threshold <= 0 disables check.
        return ThresholdDistance > 0.f ? FMath::Square(ThresholdDistance) : 0.f;
    }
 
    CLOTHINGSYSTEMRUNTIMEINTERFACE_API EClothingTeleportMode CalculateClothingTeleport(EClothingTeleportMode CurrentTeleportMode, const FMatrix& CurRootBoneMat, const FMatrix& PrevRootBoneMat, bool bResetAfterTeleport, float ClothTeleportDistThresholdSquared, float ClothTeleportCosineThresholdInRad);
};