diff -r 000000000000 -r 2f259fa3e83a uifw/ganes/inc/HgVgSpring.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uifw/ganes/inc/HgVgSpring.h Tue Feb 02 01:00:49 2010 +0200 @@ -0,0 +1,71 @@ +/* +* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* +*/ + +#ifndef HGVGSPRING_H_ +#define HGVSPRING_H_ + +// INCLUDES +#include +#include + + + NONSHARABLE_CLASS(THgVgSpring) + { + public: + + THgVgSpring(TReal aSpringK, TReal aSpringDamping, + TReal aSpringMaxVelocity, TReal aPositionSnap, + TReal aVelocitySnap); + + void SetConstants(TReal aSpringK, TReal aSpringDamping, + TReal aSpringMaxVelocity, TReal aPositionSnap, + TReal aVelocitySnap); + + void Reset(); + void Reset(TReal aX, TReal aY); + void SetXY(TReal aX, TReal aY); + void SetEnd(TReal aX, TReal aY); + void SetVelocity(TReal aVx, TReal aVy); + TBool IntegratePhysics(TReal aDeltaTime, TBool aEndCondition); + TReal GetX() const; + TReal GetY() const; + TReal GetInterpolatedX() const; + TReal GetInterpolatedY() const; + TReal VelX() const; + TReal VelY() const; + TReal EndX() const; + TReal EndY() const; + TReal StartX() const; + TReal StartY() const; + + private: + + TReal iPrevX, iPrevY; + TReal iX, iY; + TReal iEndX, iEndY; + TReal iVelX, iVelY; + TReal iAccumulator; + TReal iSpringK; + TReal iSpringDamping; + TReal iMaxSpringVelocity; + TReal iPositionSnap; + TReal iVelocitySnap; + TReal iStartX, iStartY; + }; + + +#endif /* HGVGSPRING_H */