mirror of https://github.com/axmolengine/axmol.git
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright 2009 lhunath (Maarten Billemont)
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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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#include "CCActionTween.h"
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NS_CC_BEGIN
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CCActionTween* CCActionTween::create(float aDuration, const char* key, float from, float to)
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{
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CCActionTween* pRet = new CCActionTween();
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if (pRet && pRet->initWithDuration(aDuration, key, from, to))
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{
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pRet->autorelease();
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}
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else
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{
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CC_SAFE_DELETE(pRet);
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}
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return pRet;
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}
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bool CCActionTween::initWithDuration(float aDuration, const char* key, float from, float to)
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{
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if (CCActionInterval::initWithDuration(aDuration))
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{
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m_strKey = key;
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m_fTo = to;
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m_fFrom = from;
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return true;
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}
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return false;
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}
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void CCActionTween::startWithTarget(CCNode *pTarget)
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{
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CCAssert(dynamic_cast<CCActionTweenDelegate*>(pTarget), "target must implement CCActionTweenDelegate");
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CCActionInterval::startWithTarget(pTarget);
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m_fDelta = m_fTo - m_fFrom;
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}
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void CCActionTween::update(float dt)
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{
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dynamic_cast<CCActionTweenDelegate*>(m_pTarget)->updateTweenAction(m_fTo - m_fDelta * (1 - dt), m_strKey.c_str());
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}
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CCActionInterval* CCActionTween::reverse()
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{
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return CCActionTween::create(m_fDuration, m_strKey.c_str(), m_fTo, m_fFrom);
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}
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NS_CC_END
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