UnrealMath.cpp File Reference

#include "Math/UnrealMath.h"
#include "Stats/Stats.h"
#include "Math/RandomStream.h"
#include "UObject/PropertyPortFlags.h"
#include "Math/IntRect.h"
#include "Math/Matrix.h"
#include "Math/Quat.h"
#include "Math/Vector.h"
#include "Math/Vector2D.h"
#include "Math/Vector4.h"

Classes
struct	SegmentDistToSegment_Solver< T >

Namespaces
namespace	UE
namespace	UE::Math
namespace	FMathPerlinHelpers

Functions
	DEFINE_LOG_CATEGORY (LogUnrealMath)
template<typename T >
FORCEINLINE_DEBUGGABLE TQuat< T >	UE::Math::FindBetween_Helper (const TVector< T > &A, const TVector< T > &B, T NormAB)
void CORE_API	CurveFloatFindIntervalBounds (const FInterpCurvePoint< float > &Start, const FInterpCurvePoint< float > &End, float &CurrentMin, float &CurrentMax)
void CORE_API	CurveVector2DFindIntervalBounds (const FInterpCurvePoint< FVector2D > &Start, const FInterpCurvePoint< FVector2D > &End, FVector2D &CurrentMin, FVector2D &CurrentMax)
void CORE_API	CurveVectorFindIntervalBounds (const FInterpCurvePoint< FVector > &Start, const FInterpCurvePoint< FVector > &End, FVector &CurrentMin, FVector &CurrentMax)
void CORE_API	CurveTwoVectorsFindIntervalBounds (const FInterpCurvePoint< FTwoVectors > &Start, const FInterpCurvePoint< FTwoVectors > &End, FTwoVectors &CurrentMin, FTwoVectors &CurrentMax)
void CORE_API	CurveLinearColorFindIntervalBounds (const FInterpCurvePoint< FLinearColor > &Start, const FInterpCurvePoint< FLinearColor > &End, FLinearColor &CurrentMin, FLinearColor &CurrentMax)
CORE_API float	ClampFloatTangent (float PrevPointVal, float PrevTime, float CurPointVal, float CurTime, float NextPointVal, float NextTime)
float	Val (const FString &Value)
FString	GrabChar (FString *pStr)
bool	SubEval (FString *pStr, float *pResult, int32 Prec)
FORCEINLINE float	FMathPerlinHelpers::Grad1 (int32 Hash, float X)
FORCEINLINE float	FMathPerlinHelpers::Grad2 (int32 Hash, float X, float Y)
FORCEINLINE float	FMathPerlinHelpers::Grad3 (int32 Hash, float X, float Y, float Z)
FORCEINLINE float	FMathPerlinHelpers::SmoothCurve (float X)

Function Documentation

ClampFloatTangent()

CORE_API float ClampFloatTangent	(	float	PrevPointVal,
		float	PrevTime,
		float	CurPointVal,
		float	CurTime,
		float	NextPointVal,
		float	NextTime
	)

Clamps a tangent formed by the specified control point values

CurveFloatFindIntervalBounds()

void CORE_API CurveFloatFindIntervalBounds	(	const FInterpCurvePoint< float > &	Start,
		const FInterpCurvePoint< float > &	End,
		float &	CurrentMin,
		float &	CurrentMax
	)

Calculate bounds of float intervals

Parameters

Start	interp curve point at Start
End	interp curve point at End
CurrentMin	Input and Output could be updated if needs new interval minimum bound
CurrentMax	Input and Output could be updated if needs new interval maximmum bound

CurveLinearColorFindIntervalBounds()

void CORE_API CurveLinearColorFindIntervalBounds	(	const FInterpCurvePoint< FLinearColor > &	Start,
		const FInterpCurvePoint< FLinearColor > &	End,
		FLinearColor &	CurrentMin,
		FLinearColor &	CurrentMax
	)

Calculate bounds of color intervals

Parameters

Start	interp curve point at Start
End	interp curve point at End
CurrentMin	Input and Output could be updated if needs new interval minimum bound
CurrentMax	Input and Output could be updated if needs new interval maximmum bound

CurveTwoVectorsFindIntervalBounds()

void CORE_API CurveTwoVectorsFindIntervalBounds	(	const FInterpCurvePoint< FTwoVectors > &	Start,
		const FInterpCurvePoint< FTwoVectors > &	End,
		FTwoVectors &	CurrentMin,
		FTwoVectors &	CurrentMax
	)

Calculate bounds of twovector intervals

Parameters

Start	interp curve point at Start
End	interp curve point at End
CurrentMin	Input and Output could be updated if needs new interval minimum bound
CurrentMax	Input and Output could be updated if needs new interval maximmum bound

CurveVector2DFindIntervalBounds()

void CORE_API CurveVector2DFindIntervalBounds	(	const FInterpCurvePoint< FVector2D > &	Start,
		const FInterpCurvePoint< FVector2D > &	End,
		FVector2D &	CurrentMin,
		FVector2D &	CurrentMax
	)

Calculate bounds of 2D vector intervals

Parameters

Start	interp curve point at Start
End	interp curve point at End
CurrentMin	Input and Output could be updated if needs new interval minimum bound
CurrentMax	Input and Output could be updated if needs new interval maximmum bound

CurveVectorFindIntervalBounds()

void CORE_API CurveVectorFindIntervalBounds	(	const FInterpCurvePoint< FVector > &	Start,
		const FInterpCurvePoint< FVector > &	End,
		FVector &	CurrentMin,
		FVector &	CurrentMax
	)

Calculate bounds of vector intervals

Parameters

Start	interp curve point at Start
End	interp curve point at End
CurrentMin	Input and Output could be updated if needs new interval minimum bound
CurrentMax	Input and Output could be updated if needs new interval maximmum bound

DEFINE_LOG_CATEGORY()

DEFINE_LOG_CATEGORY

(

LogUnrealMath

)

GrabChar()

FString GrabChar

(

FString *

pStr

)

SubEval()

bool SubEval	(	FString *	pStr,
		float *	pResult,
		int32	Prec
	)

Val()

float Val

(

const FString &

Value

)

Converts a string to it's numeric equivalent, ignoring whitespace. "123 45" - becomes 12,345

Parameters

Value

The string to convert.

Returns

The converted value.