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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
{
/** Function used for hiding widget with one of controller event */
void MYGUI_EXPORT actionWidgetHide(Widget* _widget, ControllerItem* _controller);
/** Function used for showing widget with one of controller event */
void MYGUI_EXPORT actionWidgetShow(Widget* _widget, ControllerItem* _controller);
/** Function used for destroying widget with one of controller event */
void MYGUI_EXPORT actionWidgetDestroy(Widget* _widget, ControllerItem* _controller);
/** Function for ControllerPosition per frame action : Move with constant speed */
void MYGUI_EXPORT
linearMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _k);
/** Function for ControllerPosition per frame action : Move with accelerated speed
if N == 10 then this function is same as linearMoveFunction
if N > 10 speed will be increasing
if N < 10 speed will be decreasing
*/
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);
}
/** Function for ControllerPosition per frame action : Move with accelerated speed a bit farther than necessary and then return it back */
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);
}
/** Function for ControllerPosition per frame action : Start with zero speed increasing half time and then decreasing to zero */
void MYGUI_EXPORT inertionalMoveFunction(
const IntCoord& _startRect,
const IntCoord& _destRect,
IntCoord& _result,
float _current_time);
} // namespace action
} // namespace MyGUI
#endif // MYGUI_ACTION_CONTROLLER_H_
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