mirror of https://github.com/axmolengine/axmol.git
143 lines
4.0 KiB
C++
143 lines
4.0 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CC_TOUCH_H__
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#define __CC_TOUCH_H__
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#include "base/CCRef.h"
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#include "math/CCGeometry.h"
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NS_CC_BEGIN
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/**
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* @addtogroup input
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* @{
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*/
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/** @class Touch
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* @brief Encapsulates the Touch information, such as touch point, id and so on,
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and provides the methods that commonly used.
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*/
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class CC_DLL Touch : public Ref
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{
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public:
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/**
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* Dispatch mode, how the touches are dispathced.
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* @js NA
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*/
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enum class DispatchMode {
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ALL_AT_ONCE, /** All at once. */
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ONE_BY_ONE, /** One by one. */
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};
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/** Constructor.
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* @js ctor
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*/
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Touch()
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: _id(0),
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_startPointCaptured(false)
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{}
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/** Returns the current touch location in OpenGL coordinates.
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*
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* @return The current touch location in OpenGL coordinates.
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*/
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Vec2 getLocation() const;
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/** Returns the previous touch location in OpenGL coordinates.
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*
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* @return The previous touch location in OpenGL coordinates.
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*/
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Vec2 getPreviousLocation() const;
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/** Returns the start touch location in OpenGL coordinates.
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*
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* @return The start touch location in OpenGL coordinates.
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*/
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Vec2 getStartLocation() const;
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/** Returns the delta of 2 current touches locations in screen coordinates.
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*
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* @return The delta of 2 current touches locations in screen coordinates.
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*/
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Vec2 getDelta() const;
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/** Returns the current touch location in screen coordinates.
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*
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* @return The current touch location in screen coordinates.
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*/
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Vec2 getLocationInView() const;
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/** Returns the previous touch location in screen coordinates.
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*
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* @return The previous touch location in screen coordinates.
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*/
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Vec2 getPreviousLocationInView() const;
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/** Returns the start touch location in screen coordinates.
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*
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* @return The start touch location in screen coordinates.
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*/
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Vec2 getStartLocationInView() const;
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/** Set the touch infomation. It always used to monitor touch event.
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*
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* @param id A given id
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* @param x A given x coordinate.
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* @param y A given y coordinate.
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*/
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void setTouchInfo(int id, float x, float y)
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{
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_id = id;
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_prevPoint = _point;
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_point.x = x;
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_point.y = y;
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if (!_startPointCaptured)
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{
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_startPoint = _point;
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_startPointCaptured = true;
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_prevPoint = _point;
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}
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}
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/** Get touch id.
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* @js getId
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* @lua getId
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*
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* @return The id of touch.
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*/
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int getID() const
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{
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return _id;
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}
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private:
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int _id;
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bool _startPointCaptured;
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Vec2 _startPoint;
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Vec2 _point;
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Vec2 _prevPoint;
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};
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// end of input group
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/// @}
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NS_CC_END
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#endif // __PLATFORM_TOUCH_H__
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