mirror of https://github.com/axmolengine/axmol.git
95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
/****************************************************************************
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Copyright (C) 2013 Henry van Merode. All rights reserved.
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Copyright (c) 2015-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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https://axmolengine.github.io/
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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 "extensions/Particle3D/PU/PUDoScaleEventHandler.h"
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#include "extensions/Particle3D/PU/PUParticleSystem3D.h"
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NS_AX_BEGIN
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// Constants
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const PUDoScaleEventHandler::ScaleType PUDoScaleEventHandler::DEFAULT_SCALE_TYPE =
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PUDoScaleEventHandler::ST_TIME_TO_LIVE;
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const float PUDoScaleEventHandler::DEFAULT_SCALE_FRACTION = 0.2f;
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//-----------------------------------------------------------------------
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PUDoScaleEventHandler::PUDoScaleEventHandler()
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: PUEventHandler(), _scaleFraction(DEFAULT_SCALE_FRACTION), _scaleType(DEFAULT_SCALE_TYPE)
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{}
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//-----------------------------------------------------------------------
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const PUDoScaleEventHandler::ScaleType& PUDoScaleEventHandler::getScaleType() const
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{
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return _scaleType;
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}
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//-----------------------------------------------------------------------
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void PUDoScaleEventHandler::setScaleType(const PUDoScaleEventHandler::ScaleType& scaleType)
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{
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_scaleType = scaleType;
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}
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//-----------------------------------------------------------------------
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float PUDoScaleEventHandler::getScaleFraction() const
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{
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return _scaleFraction;
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}
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//-----------------------------------------------------------------------
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void PUDoScaleEventHandler::setScaleFraction(const float scaleFraction)
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{
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_scaleFraction = scaleFraction;
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}
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//-----------------------------------------------------------------------
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void PUDoScaleEventHandler::handle(PUParticleSystem3D* /*particleSystem*/, PUParticle3D* particle, float timeElapsed)
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{
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if (!particle)
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return;
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switch (_scaleType)
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{
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case ST_TIME_TO_LIVE:
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particle->timeToLive -= timeElapsed * _scaleFraction * particle->timeToLive;
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break;
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case ST_VELOCITY:
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particle->direction += timeElapsed * _scaleFraction * particle->direction;
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break;
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}
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}
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PUDoScaleEventHandler* PUDoScaleEventHandler::create()
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{
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auto peh = new PUDoScaleEventHandler();
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peh->autorelease();
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return peh;
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}
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void PUDoScaleEventHandler::copyAttributesTo(PUEventHandler* eventHandler)
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{
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PUEventHandler::copyAttributesTo(eventHandler);
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PUDoScaleEventHandler* doScaleEventHandler = static_cast<PUDoScaleEventHandler*>(eventHandler);
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doScaleEventHandler->setScaleFraction(_scaleFraction);
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doScaleEventHandler->setScaleType(_scaleType);
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}
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NS_AX_END
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