axmol/cocos/2d/CCTouch.cpp

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 Copyright (c) 2010-2012 cocos2d-x.org
 Copyright (c) 2013-2014 Chukong Technologies Inc.
 
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#include "CCTouch.h"
#include "CCDirector.h"

NS_CC_BEGIN

// returns the current touch location in screen coordinates
Vector2 Touch::getLocationInView() const 
{ 
    return _point; 
}

// returns the previous touch location in screen coordinates
Vector2 Touch::getPreviousLocationInView() const 
{ 
    return _prevPoint; 
}

// returns the start touch location in screen coordinates
Vector2 Touch::getStartLocationInView() const 
{ 
    return _startPoint; 
}

// returns the current touch location in OpenGL coordinates
Vector2 Touch::getLocation() const
{ 
    return Director::getInstance()->convertToGL(_point); 
}

// returns the previous touch location in OpenGL coordinates
Vector2 Touch::getPreviousLocation() const
{ 
    return Director::getInstance()->convertToGL(_prevPoint);  
}

// returns the start touch location in OpenGL coordinates
Vector2 Touch::getStartLocation() const
{ 
    return Director::getInstance()->convertToGL(_startPoint);  
}

// returns the delta position between the current location and the previous location in OpenGL coordinates
Vector2 Touch::getDelta() const
{     
    return getLocation() - getPreviousLocation();
}

NS_CC_END