Gesture.h

//Copyright © 2014 SDXFramework
//[License]GNU Affero General Public License, version 3
//[Contact]http://sourceforge.jp/projects/dxframework/
#pragma once
#include <Multimedia/Key.h>
#include <Multimedia/Window.h>

namespace SDX
{
    class Gesture
    {
        friend class Input;
    private:
        MONO_STATE(Gesture)

        bool press = false;
        double xBuffer = 0;
        double yBuffer = 0;

        void Position(double X座標, double Y座標)
        {
            const double aspA = Window::activeWindow->aspect;
            const double aspB = (double)Window::GetWidth() / Window::GetHeight();

            if (aspA == aspB)
            {
                xBuffer = int(X座標 * Window::GetWidth());
                yBuffer = int(Y座標 * Window::GetHeight());
            }
            else if (aspA > aspB){
                //横が余る
                double rate = aspA / aspB;
                double pos = (X座標 - (rate - 1) / rate / 2) * rate;
                xBuffer = int(pos * Window::GetWidth());
                yBuffer = int(Y座標 * Window::GetHeight());
            }
            else{
                //上が余る
                double rate = aspB / aspA;
                double pos = (Y座標 - (rate - 1) / rate / 2) * rate;
                xBuffer = int(X座標 * Window::GetWidth());
                yBuffer = int(pos * Window::GetHeight());
            }
        }
    public:
        bool on = false;

        double rotate = 0;
        double pinche = 0;

        double x = 0;
        double y = 0;

        int fingerCount = 0;

        void Update()
        {
            on = press;
            press = false;
        }

        void Reset()
        {
            press = false;
            on = false;
            rotate = 0;
            pinche = 0;
            x = 0;
            y = 0;
            fingerCount = 0;
        }
    };
}