mirror of https://github.com/axmolengine/axmol.git
993 lines
18 KiB
C++
993 lines
18 KiB
C++
/****************************************************************************
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Copyright (c) 2008-2009 Jason Booth
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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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/*
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* Elastic, Back and Bounce actions based on code from:
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* http://github.com/NikhilK/silverlightfx/
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*
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* by http://github.com/NikhilK
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*/
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#include "CCActionEase.h"
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NS_CC_BEGIN
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#ifndef M_PI_X_2
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#define M_PI_X_2 (float)M_PI * 2.0f
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#endif
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//
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// EaseAction
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//
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bool ActionEase::initWithAction(ActionInterval *action)
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{
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CCASSERT(action != nullptr, "");
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if (ActionInterval::initWithDuration(action->getDuration()))
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{
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_inner = action;
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action->retain();
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return true;
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}
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return false;
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}
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ActionEase::~ActionEase(void)
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{
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CC_SAFE_RELEASE(_inner);
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}
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void ActionEase::startWithTarget(Node *target)
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{
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ActionInterval::startWithTarget(target);
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_inner->startWithTarget(_target);
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}
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void ActionEase::stop(void)
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{
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_inner->stop();
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ActionInterval::stop();
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}
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void ActionEase::update(float time)
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{
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_inner->update(time);
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}
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ActionInterval* ActionEase::getInnerAction()
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{
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return _inner;
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}
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//
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// EaseRateAction
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//
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bool EaseRateAction::initWithAction(ActionInterval *action, float rate)
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{
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if (ActionEase::initWithAction(action))
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{
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_rate = rate;
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return true;
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}
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return false;
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}
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EaseRateAction::~EaseRateAction()
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{
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}
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//
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// EeseIn
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//
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EaseIn* EaseIn::create(ActionInterval *action, float rate)
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{
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EaseIn *easeIn = new EaseIn();
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if (easeIn)
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{
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if (easeIn->initWithAction(action, rate))
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{
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easeIn->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(easeIn);
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}
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}
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return easeIn;
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}
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EaseIn* EaseIn::clone() const
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{
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// no copy constructor
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auto a = new EaseIn();
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a->initWithAction(_inner->clone(), _rate);
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a->autorelease();
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return a;
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}
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void EaseIn::update(float time)
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{
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_inner->update(powf(time, _rate));
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}
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EaseIn* EaseIn::reverse() const
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{
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return EaseIn::create(_inner->reverse(), 1 / _rate);
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}
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//
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// EaseOut
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//
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EaseOut* EaseOut::create(ActionInterval *action, float rate)
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{
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EaseOut *easeOut = new EaseOut();
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if (easeOut)
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{
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if (easeOut->initWithAction(action, rate))
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{
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easeOut->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(easeOut);
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}
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}
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return easeOut;
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}
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EaseOut* EaseOut::clone() const
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{
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// no copy constructor
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auto a = new EaseOut();
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a->initWithAction(_inner->clone(), _rate);
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a->autorelease();
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return a;
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}
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void EaseOut::update(float time)
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{
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_inner->update(powf(time, 1 / _rate));
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}
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EaseOut* EaseOut::reverse() const
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{
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return EaseOut::create(_inner->reverse(), 1 / _rate);
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}
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//
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// EaseInOut
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//
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EaseInOut* EaseInOut::create(ActionInterval *action, float rate)
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{
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EaseInOut *easeInOut = new EaseInOut();
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if (easeInOut)
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{
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if (easeInOut->initWithAction(action, rate))
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{
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easeInOut->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(easeInOut);
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}
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}
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return easeInOut;
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}
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EaseInOut* EaseInOut::clone() const
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{
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// no copy constructor
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auto a = new EaseInOut();
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a->initWithAction(_inner->clone(), _rate);
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a->autorelease();
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return a;
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}
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void EaseInOut::update(float time)
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{
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time *= 2;
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if (time < 1)
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{
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_inner->update(0.5f * powf(time, _rate));
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}
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else
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{
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_inner->update(1.0f - 0.5f * powf(2-time, _rate));
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}
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}
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// InOut and OutIn are symmetrical
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EaseInOut* EaseInOut::reverse() const
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{
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return EaseInOut::create(_inner->reverse(), _rate);
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}
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//
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// EaseExponentialIn
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//
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EaseExponentialIn* EaseExponentialIn::create(ActionInterval* action)
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{
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EaseExponentialIn *ret = new EaseExponentialIn();
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if (ret)
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{
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if (ret->initWithAction(action))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseExponentialIn* EaseExponentialIn::clone() const
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{
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// no copy constructor
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auto a = new EaseExponentialIn();
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a->initWithAction(_inner->clone());
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a->autorelease();
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return a;
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}
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void EaseExponentialIn::update(float time)
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{
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_inner->update(time == 0 ? 0 : powf(2, 10 * (time/1 - 1)) - 1 * 0.001f);
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}
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ActionEase * EaseExponentialIn::reverse() const
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{
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return EaseExponentialOut::create(_inner->reverse());
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}
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//
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// EaseExponentialOut
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//
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EaseExponentialOut* EaseExponentialOut::create(ActionInterval* action)
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{
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EaseExponentialOut *ret = new EaseExponentialOut();
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if (ret)
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{
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if (ret->initWithAction(action))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseExponentialOut* EaseExponentialOut::clone() const
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{
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// no copy constructor
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auto a = new EaseExponentialOut();
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a->initWithAction(_inner->clone());
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a->autorelease();
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return a;
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}
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void EaseExponentialOut::update(float time)
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{
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_inner->update(time == 1 ? 1 : (-powf(2, -10 * time / 1) + 1));
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}
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ActionEase* EaseExponentialOut::reverse() const
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{
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return EaseExponentialIn::create(_inner->reverse());
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}
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//
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// EaseExponentialInOut
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//
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EaseExponentialInOut* EaseExponentialInOut::create(ActionInterval *action)
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{
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EaseExponentialInOut *ret = new EaseExponentialInOut();
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if (ret)
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{
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if (ret->initWithAction(action))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseExponentialInOut* EaseExponentialInOut::clone() const
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{
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// no copy constructor
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auto a = new EaseExponentialInOut();
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a->initWithAction(_inner->clone());
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a->autorelease();
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return a;
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}
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void EaseExponentialInOut::update(float time)
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{
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time /= 0.5f;
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if (time < 1)
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{
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time = 0.5f * powf(2, 10 * (time - 1));
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}
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else
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{
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time = 0.5f * (-powf(2, -10 * (time - 1)) + 2);
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}
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_inner->update(time);
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}
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EaseExponentialInOut* EaseExponentialInOut::reverse() const
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{
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return EaseExponentialInOut::create(_inner->reverse());
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}
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//
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// EaseSineIn
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//
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EaseSineIn* EaseSineIn::create(ActionInterval* action)
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{
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EaseSineIn *ret = new EaseSineIn();
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if (ret)
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{
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if (ret->initWithAction(action))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseSineIn* EaseSineIn::clone() const
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{
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// no copy constructor
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auto a = new EaseSineIn();
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a->initWithAction(_inner->clone());
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a->autorelease();
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return a;
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}
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void EaseSineIn::update(float time)
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{
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_inner->update(-1 * cosf(time * (float)M_PI_2) + 1);
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}
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ActionEase* EaseSineIn::reverse() const
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{
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return EaseSineOut::create(_inner->reverse());
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}
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//
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// EaseSineOut
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//
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EaseSineOut* EaseSineOut::create(ActionInterval* action)
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{
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EaseSineOut *ret = new EaseSineOut();
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if (ret)
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{
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if (ret->initWithAction(action))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseSineOut* EaseSineOut::clone() const
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{
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// no copy constructor
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auto a = new EaseSineOut();
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a->initWithAction(_inner->clone());
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a->autorelease();
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return a;
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}
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void EaseSineOut::update(float time)
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{
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_inner->update(sinf(time * (float)M_PI_2));
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}
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ActionEase* EaseSineOut::reverse(void) const
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{
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return EaseSineIn::create(_inner->reverse());
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}
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//
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// EaseSineInOut
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//
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EaseSineInOut* EaseSineInOut::create(ActionInterval* action)
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{
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EaseSineInOut *ret = new EaseSineInOut();
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if (ret)
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{
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if (ret->initWithAction(action))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseSineInOut* EaseSineInOut::clone() const
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{
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// no copy constructor
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auto a = new EaseSineInOut();
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a->initWithAction(_inner->clone());
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a->autorelease();
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return a;
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}
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void EaseSineInOut::update(float time)
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{
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_inner->update(-0.5f * (cosf((float)M_PI * time) - 1));
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}
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EaseSineInOut* EaseSineInOut::reverse() const
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{
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return EaseSineInOut::create(_inner->reverse());
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}
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//
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// EaseElastic
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//
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bool EaseElastic::initWithAction(ActionInterval *action, float period/* = 0.3f*/)
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{
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if (ActionEase::initWithAction(action))
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{
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_period = period;
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return true;
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}
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return false;
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}
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//
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// EaseElasticIn
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//
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EaseElasticIn* EaseElasticIn::create(ActionInterval *action)
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{
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return EaseElasticIn::create(action, 0.3f);
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}
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EaseElasticIn* EaseElasticIn::create(ActionInterval *action, float period/* = 0.3f*/)
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{
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EaseElasticIn *ret = new EaseElasticIn();
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if (ret)
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{
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if (ret->initWithAction(action, period))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseElasticIn* EaseElasticIn::clone() const
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{
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// no copy constructor
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auto a = new EaseElasticIn();
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a->initWithAction(_inner->clone(), _period);
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a->autorelease();
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return a;
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}
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void EaseElasticIn::update(float time)
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{
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float newT = 0;
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if (time == 0 || time == 1)
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{
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newT = time;
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}
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else
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{
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float s = _period / 4;
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time = time - 1;
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newT = -powf(2, 10 * time) * sinf((time - s) * M_PI_X_2 / _period);
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}
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_inner->update(newT);
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}
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EaseElastic* EaseElasticIn::reverse() const
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{
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return EaseElasticOut::create(_inner->reverse(), _period);
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}
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//
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// EaseElasticOut
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//
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EaseElasticOut* EaseElasticOut::create(ActionInterval *action)
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{
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return EaseElasticOut::create(action, 0.3f);
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}
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EaseElasticOut* EaseElasticOut::create(ActionInterval *action, float period/* = 0.3f*/)
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{
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EaseElasticOut *ret = new EaseElasticOut();
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if (ret)
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{
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if (ret->initWithAction(action, period))
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{
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ret->autorelease();
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}
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else
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{
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CC_SAFE_RELEASE_NULL(ret);
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}
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}
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return ret;
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}
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EaseElasticOut* EaseElasticOut::clone() const
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{
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// no copy constructor
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auto a = new EaseElasticOut();
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a->initWithAction(_inner->clone(), _period);
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a->autorelease();
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return a;
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}
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void EaseElasticOut::update(float time)
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{
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float newT = 0;
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if (time == 0 || time == 1)
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{
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newT = time;
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}
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else
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{
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float s = _period / 4;
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newT = powf(2, -10 * time) * sinf((time - s) * M_PI_X_2 / _period) + 1;
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}
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_inner->update(newT);
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}
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EaseElastic* EaseElasticOut::reverse() const
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{
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return EaseElasticIn::create(_inner->reverse(), _period);
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}
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//
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// EaseElasticInOut
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//
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EaseElasticInOut* EaseElasticInOut::create(ActionInterval *action)
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{
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return EaseElasticInOut::create(action, 0.3f);
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}
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EaseElasticInOut* EaseElasticInOut::create(ActionInterval *action, float period/* = 0.3f*/)
|
|
{
|
|
EaseElasticInOut *ret = new EaseElasticInOut();
|
|
if (ret)
|
|
{
|
|
if (ret->initWithAction(action, period))
|
|
{
|
|
ret->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CC_SAFE_RELEASE_NULL(ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
EaseElasticInOut* EaseElasticInOut::clone() const
|
|
{
|
|
// no copy constructor
|
|
auto a = new EaseElasticInOut();
|
|
a->initWithAction(_inner->clone(), _period);
|
|
a->autorelease();
|
|
return a;
|
|
}
|
|
|
|
void EaseElasticInOut::update(float time)
|
|
{
|
|
float newT = 0;
|
|
if (time == 0 || time == 1)
|
|
{
|
|
newT = time;
|
|
}
|
|
else
|
|
{
|
|
time = time * 2;
|
|
if ( _period == 0)
|
|
{
|
|
_period = 0.3f * 1.5f;
|
|
}
|
|
|
|
float s = _period / 4;
|
|
|
|
time = time - 1;
|
|
if (time < 0)
|
|
{
|
|
newT = -0.5f * powf(2, 10 * time) * sinf((time -s) * M_PI_X_2 / _period);
|
|
}
|
|
else
|
|
{
|
|
newT = powf(2, -10 * time) * sinf((time - s) * M_PI_X_2 / _period) * 0.5f + 1;
|
|
}
|
|
}
|
|
|
|
_inner->update(newT);
|
|
}
|
|
|
|
EaseElasticInOut* EaseElasticInOut::reverse() const
|
|
{
|
|
return EaseElasticInOut::create(_inner->reverse(), _period);
|
|
}
|
|
|
|
//
|
|
// EaseBounce
|
|
//
|
|
|
|
float EaseBounce::bounceTime(float time)
|
|
{
|
|
if (time < 1 / 2.75)
|
|
{
|
|
return 7.5625f * time * time;
|
|
} else
|
|
if (time < 2 / 2.75)
|
|
{
|
|
time -= 1.5f / 2.75f;
|
|
return 7.5625f * time * time + 0.75f;
|
|
} else
|
|
if(time < 2.5 / 2.75)
|
|
{
|
|
time -= 2.25f / 2.75f;
|
|
return 7.5625f * time * time + 0.9375f;
|
|
}
|
|
|
|
time -= 2.625f / 2.75f;
|
|
return 7.5625f * time * time + 0.984375f;
|
|
}
|
|
|
|
//
|
|
// EaseBounceIn
|
|
//
|
|
|
|
EaseBounceIn* EaseBounceIn::create(ActionInterval* action)
|
|
{
|
|
EaseBounceIn *ret = new EaseBounceIn();
|
|
if (ret)
|
|
{
|
|
if (ret->initWithAction(action))
|
|
{
|
|
ret->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CC_SAFE_RELEASE_NULL(ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
EaseBounceIn* EaseBounceIn::clone() const
|
|
{
|
|
// no copy constructor
|
|
auto a = new EaseBounceIn();
|
|
a->initWithAction(_inner->clone());
|
|
a->autorelease();
|
|
return a;
|
|
}
|
|
|
|
void EaseBounceIn::update(float time)
|
|
{
|
|
float newT = 1 - bounceTime(1 - time);
|
|
_inner->update(newT);
|
|
}
|
|
|
|
EaseBounce* EaseBounceIn::reverse() const
|
|
{
|
|
return EaseBounceOut::create(_inner->reverse());
|
|
}
|
|
|
|
//
|
|
// EaseBounceOut
|
|
//
|
|
|
|
EaseBounceOut* EaseBounceOut::create(ActionInterval* action)
|
|
{
|
|
EaseBounceOut *ret = new EaseBounceOut();
|
|
if (ret)
|
|
{
|
|
if (ret->initWithAction(action))
|
|
{
|
|
ret->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CC_SAFE_RELEASE_NULL(ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
EaseBounceOut* EaseBounceOut::clone() const
|
|
{
|
|
// no copy constructor
|
|
auto a = new EaseBounceOut();
|
|
a->initWithAction(_inner->clone());
|
|
a->autorelease();
|
|
return a;
|
|
}
|
|
|
|
void EaseBounceOut::update(float time)
|
|
{
|
|
float newT = bounceTime(time);
|
|
_inner->update(newT);
|
|
}
|
|
|
|
EaseBounce* EaseBounceOut::reverse() const
|
|
{
|
|
return EaseBounceIn::create(_inner->reverse());
|
|
}
|
|
|
|
//
|
|
// EaseBounceInOut
|
|
//
|
|
|
|
EaseBounceInOut* EaseBounceInOut::create(ActionInterval* action)
|
|
{
|
|
EaseBounceInOut *ret = new EaseBounceInOut();
|
|
if (ret)
|
|
{
|
|
if (ret->initWithAction(action))
|
|
{
|
|
ret->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CC_SAFE_RELEASE_NULL(ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
EaseBounceInOut* EaseBounceInOut::clone() const
|
|
{
|
|
// no copy constructor
|
|
auto a = new EaseBounceInOut();
|
|
a->initWithAction(_inner->clone());
|
|
a->autorelease();
|
|
return a;
|
|
}
|
|
|
|
void EaseBounceInOut::update(float time)
|
|
{
|
|
float newT = 0;
|
|
if (time < 0.5f)
|
|
{
|
|
time = time * 2;
|
|
newT = (1 - bounceTime(1 - time)) * 0.5f;
|
|
}
|
|
else
|
|
{
|
|
newT = bounceTime(time * 2 - 1) * 0.5f + 0.5f;
|
|
}
|
|
|
|
_inner->update(newT);
|
|
}
|
|
|
|
EaseBounceInOut* EaseBounceInOut::reverse() const
|
|
{
|
|
return EaseBounceInOut::create(_inner->reverse());
|
|
}
|
|
|
|
//
|
|
// EaseBackIn
|
|
//
|
|
|
|
EaseBackIn* EaseBackIn::create(ActionInterval *action)
|
|
{
|
|
EaseBackIn *ret = new EaseBackIn();
|
|
if (ret)
|
|
{
|
|
if (ret->initWithAction(action))
|
|
{
|
|
ret->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CC_SAFE_RELEASE_NULL(ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
EaseBackIn* EaseBackIn::clone() const
|
|
{
|
|
// no copy constructor
|
|
auto a = new EaseBackIn();
|
|
a->initWithAction(_inner->clone());
|
|
a->autorelease();
|
|
return a;
|
|
}
|
|
|
|
void EaseBackIn::update(float time)
|
|
{
|
|
float overshoot = 1.70158f;
|
|
_inner->update(time * time * ((overshoot + 1) * time - overshoot));
|
|
}
|
|
|
|
ActionEase* EaseBackIn::reverse() const
|
|
{
|
|
return EaseBackOut::create(_inner->reverse());
|
|
}
|
|
|
|
//
|
|
// EaseBackOut
|
|
//
|
|
|
|
EaseBackOut* EaseBackOut::create(ActionInterval* action)
|
|
{
|
|
EaseBackOut *ret = new EaseBackOut();
|
|
if (ret)
|
|
{
|
|
if (ret->initWithAction(action))
|
|
{
|
|
ret->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CC_SAFE_RELEASE_NULL(ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
EaseBackOut* EaseBackOut::clone() const
|
|
{
|
|
// no copy constructor
|
|
auto a = new EaseBackOut();
|
|
a->initWithAction(_inner->clone());
|
|
a->autorelease();
|
|
return a;
|
|
}
|
|
|
|
void EaseBackOut::update(float time)
|
|
{
|
|
float overshoot = 1.70158f;
|
|
|
|
time = time - 1;
|
|
_inner->update(time * time * ((overshoot + 1) * time + overshoot) + 1);
|
|
}
|
|
|
|
ActionEase* EaseBackOut::reverse() const
|
|
{
|
|
return EaseBackIn::create(_inner->reverse());
|
|
}
|
|
|
|
//
|
|
// EaseBackInOut
|
|
//
|
|
|
|
EaseBackInOut* EaseBackInOut::create(ActionInterval* action)
|
|
{
|
|
EaseBackInOut *ret = new EaseBackInOut();
|
|
if (ret)
|
|
{
|
|
if (ret->initWithAction(action))
|
|
{
|
|
ret->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CC_SAFE_RELEASE_NULL(ret);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
EaseBackInOut* EaseBackInOut::clone() const
|
|
{
|
|
// no copy constructor
|
|
auto a = new EaseBackInOut();
|
|
a->initWithAction(_inner->clone());
|
|
a->autorelease();
|
|
return a;
|
|
}
|
|
|
|
void EaseBackInOut::update(float time)
|
|
{
|
|
float overshoot = 1.70158f * 1.525f;
|
|
|
|
time = time * 2;
|
|
if (time < 1)
|
|
{
|
|
_inner->update((time * time * ((overshoot + 1) * time - overshoot)) / 2);
|
|
}
|
|
else
|
|
{
|
|
time = time - 2;
|
|
_inner->update((time * time * ((overshoot + 1) * time + overshoot)) / 2 + 1);
|
|
}
|
|
}
|
|
|
|
EaseBackInOut* EaseBackInOut::reverse() const
|
|
{
|
|
return EaseBackInOut::create(_inner->reverse());
|
|
}
|
|
|
|
NS_CC_END
|