genesis-3d_engine/Engine/addons/myguiengine/include/MyGUI_ActionController.h
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

75 lines
2.8 KiB
C++

/*!
@file
@author Albert Semenov
@date 01/2008
*/
/*
This file is part of MyGUI.
MyGUI is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MyGUI is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MYGUI_ACTION_CONTROLLER_H__
#define __MYGUI_ACTION_CONTROLLER_H__
#include "MyGUI_Prerequest.h"
#include "MyGUI_Types.h"
#include <math.h>
namespace MyGUI
{
namespace action
{
/** Function used for hiding widget with one of controller event */
void MYGUI_EXPORT actionWidgetHide(Widget* _widget);
/** Function used for showing widget with one of controller event */
void MYGUI_EXPORT actionWidgetShow(Widget* _widget);
/** Function used for destroying widget with one of controller event */
void MYGUI_EXPORT actionWidgetDestroy(Widget* _widget);
/** 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 = (float)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 = pow (_current_time, 2) * (-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__