--- /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 <e32base.h>
+#include <e32std.h>
+
+
+    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 */