axmol/extensions/Particle3D/PU/PULinearForceAffector.cpp

/****************************************************************************
 Copyright (C) 2013 Henry van Merode. All rights reserved.
 Copyright (c) 2015-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axmolengine.github.io/

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 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
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 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "PULinearForceAffector.h"
#include "extensions/Particle3D/PU/PUParticleSystem3D.h"

NS_AX_BEGIN

//-----------------------------------------------------------------------
void PULinearForceAffector::preUpdateAffector(float deltaTime)
{
    // Scale force
    _scaledVector = _forceVector * deltaTime;
}
//-----------------------------------------------------------------------

void PULinearForceAffector::updatePUAffector(PUParticle3D* particle, float /*deltaTime*/)
{
    // for (auto&& iter : _particleSystem->getParticles())
    {
        // PUParticle3D *particle = iter;
        //  Affect the direction and take the specialisation into account
        if (_forceApplication == FA_ADD)
        {
            particle->direction += _scaledVector * calculateAffectSpecialisationFactor(particle);
        }
        else
        {
            particle->direction = (particle->direction + _forceVector) / 2;
        }
    }
}

PULinearForceAffector* PULinearForceAffector::create()
{
    auto plfa = new PULinearForceAffector();
    plfa->autorelease();
    return plfa;
}

void PULinearForceAffector::copyAttributesTo(PUAffector* affector)
{
    PUBaseForceAffector::copyAttributesTo(affector);
}

NS_AX_END