FGestureRecognizer Class Reference

#include <GestureRecognizer.h>

Public Member Functions
	FGestureRecognizer ()
void	DetectGestures (const FVector(&Touches)[EKeys::NUM_TOUCH_KEYS], class UPlayerInput *PlayerInput, float DeltaTime)
void	SetAnchorDistanceSquared (const FVector2D FirstPoint, const FVector2D SecontPoint)

Protected Member Functions
void	HandleGesture (class UPlayerInput *PlayerInput, FKey Gesture, bool bStarted, bool bEnded)

Protected Attributes
TMap< FKey, float >	CurrentGestureValues
FVector2D	AnchorPoints [EKeys::NUM_TOUCH_KEYS]
FVector2D	LastPinchPoint_Start
FVector2D	LastPinchPoint_End
bool	bIsReadyForPinch
float	AnchorDistanceSq
float	StartAngle
bool	bIsReadyForFlick
FVector2D	FlickCurrent
float	FlickTime
int32	PreviousTouchCount

Constructor & Destructor Documentation

FGestureRecognizer()

FGestureRecognizer::FGestureRecognizer ( )

inline

Constructor

Member Function Documentation

DetectGestures()

void FGestureRecognizer::DetectGestures	(	const FVector(&)	Touches[EKeys::NUM_TOUCH_KEYS],
		class UPlayerInput *	PlayerInput,
		float	DeltaTime
	)

Attempt to detect touch gestures

HandleGesture()

void FGestureRecognizer::HandleGesture ( class UPlayerInput *  PlayerInput, FKey  Gesture, bool  bStarted, bool  bEnded  )

protected

Internal processing of gestures

SetAnchorDistanceSquared()

void FGestureRecognizer::SetAnchorDistanceSquared	(	const FVector2D	FirstPoint,
		const FVector2D	SecontPoint
	)

Save the distance between the anchor points

Member Data Documentation

AnchorDistanceSq

float FGestureRecognizer::AnchorDistanceSq

protected

AnchorPoints

FVector2D FGestureRecognizer::AnchorPoints[EKeys::NUM_TOUCH_KEYS]

protected

Special gesture tracking values

bIsReadyForFlick

bool FGestureRecognizer::bIsReadyForFlick

protected

bIsReadyForPinch

bool FGestureRecognizer::bIsReadyForPinch

protected

CurrentGestureValues

TMap<FKey, float> FGestureRecognizer::CurrentGestureValues

protected

A mapping of a gesture to it's current value (how far swiped, pinch amount, etc)

FlickCurrent

FVector2D FGestureRecognizer::FlickCurrent

protected

FlickTime

float FGestureRecognizer::FlickTime

protected

LastPinchPoint_End

FVector2D FGestureRecognizer::LastPinchPoint_End

protected

LastPinchPoint_Start

FVector2D FGestureRecognizer::LastPinchPoint_Start

protected

Special pinch tracking values

PreviousTouchCount

int32 FGestureRecognizer::PreviousTouchCount

protected

StartAngle

float FGestureRecognizer::StartAngle

protected

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The documentation for this class was generated from the following files:

• Engine/Source/Runtime/Engine/Public/GestureRecognizer.h
• Engine/Source/Runtime/Engine/Private/GestureRecognizer.cpp