背景和头像缺失
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cocos2d/extensions/Particle3D/PU/CCPUPathFollower.cpp
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cocos2d/extensions/Particle3D/PU/CCPUPathFollower.cpp
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/****************************************************************************
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Copyright (C) 2013 Henry van Merode. All rights reserved.
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Copyright (c) 2015 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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#include "CCPUPathFollower.h"
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#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"
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NS_CC_BEGIN
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PUPathFollower::PUPathFollower( void )
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{
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}
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PUPathFollower::~PUPathFollower( void )
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{
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}
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//-----------------------------------------------------------------------
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void PUPathFollower::addPoint(const Vec3& point)
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{
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_spline.addPoint(point);
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}
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//-----------------------------------------------------------------------
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void PUPathFollower::clearPoints (void)
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{
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_spline.clear();
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}
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//-----------------------------------------------------------------------
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void PUPathFollower::updatePUAffector( PUParticle3D *particle, float deltaTime )
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{
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//for (auto iter : _particleSystem->getParticles())
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{
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//PUParticle3D *particle = iter;
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if (_spline.getNumPoints() > 0)
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{
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// PU 1.4
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float timeLeft = particle->totalTimeToLive - particle->timeToLive;
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float timeFraction = timeLeft / particle->totalTimeToLive;
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float timeFractionPlusDelta = (timeLeft + deltaTime ) / particle->totalTimeToLive;
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timeFractionPlusDelta = timeFractionPlusDelta < 1.0f ? timeFractionPlusDelta : 1.0f;
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Vec3 inter = _spline.interpolate(timeFractionPlusDelta) - _spline.interpolate(timeFraction);
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particle->position.add(_affectorScale.x * inter.x, _affectorScale.y * inter.y, _affectorScale.z * inter.z);
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}
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}
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}
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PUPathFollower* PUPathFollower::create()
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{
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auto ppf = new (std::nothrow) PUPathFollower();
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ppf->autorelease();
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return ppf;
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}
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void PUPathFollower::copyAttributesTo( PUAffector* affector )
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{
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PUAffector::copyAttributesTo(affector);
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PUPathFollower* pathFollower = static_cast<PUPathFollower*>(affector);
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unsigned short numPoints = _spline.getNumPoints();
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pathFollower->_spline.clear();
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for (unsigned short i = 0; i < numPoints; ++i)
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{
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pathFollower->_spline.addPoint(_spline.getPoint(i));
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}
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}
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NS_CC_END
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