MyGUI_ActionController.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */
 
#ifndef MYGUI_ACTION_CONTROLLER_H_
#define MYGUI_ACTION_CONTROLLER_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Types.h"
#include <cmath>
 
namespace MyGUI
{
    class ControllerItem;
 
    namespace action
    {
 
        void MYGUI_EXPORT actionWidgetHide(Widget* _widget, ControllerItem* _controller);
 
        void MYGUI_EXPORT actionWidgetShow(Widget* _widget, ControllerItem* _controller);
 
        void MYGUI_EXPORT actionWidgetDestroy(Widget* _widget, ControllerItem* _controller);
 
        void MYGUI_EXPORT linearMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _k);
 
        template <int N>
        inline void acceleratedMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _current_time)
        {
            float k = std::pow(_current_time, N / 10.f /*3 by default as Accelerated and 0.4 by default as Slowed*/);
            linearMoveFunction(_startRect, _destRect, _result, k);
        }
 
        template <int N>
        inline void jumpMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _current_time)
        {
            float k = std::pow(_current_time, 2.0f) * (-2 - N / 10.f) + _current_time * (3 + N / 10.f);
            linearMoveFunction(_startRect, _destRect, _result, k);
        }
 
        void MYGUI_EXPORT inertionalMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _current_time);
 
    } // namespace action
 
} // namespace MyGUI
 
#endif // MYGUI_ACTION_CONTROLLER_H_