ZoomGesture.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "AppInterface.h"
#include "IEmscriptenInputHandler.h"
#include "InputEvents.h"

namespace Eegeo
{
    namespace Emscripten
    {
        namespace Input
        {
            class ZoomGesture
            {
            private:
                IEmscriptenInputHandler* m_pZoomHandler;
                const float m_sensitivity;
                const float m_maxZoomDelta;
                float m_zoomAccumulator;

                void TruncateZoomAccumulator();
            public:
                ZoomGesture(IEmscriptenInputHandler* pZoomHandler, float sensitivity, float maxZoomDelta);

                void PointerMove(const MouseInputEvent& event);

                void Update(float dt);
            };
        }
    }
}