RedCore/cocos2d/extensions/Particle3D/PU/CCPUJetAffector.cpp

/****************************************************************************
 Copyright (C) 2013 Henry van Merode. All rights reserved.
 Copyright (c) 2015-2017 Chukong Technologies Inc.
 
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 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 "CCPUJetAffector.h"
#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"

NS_CC_BEGIN

// Constants
const float PUJetAffector::DEFAULT_ACCELERATION = 1.0f;

//-----------------------------------------------------------------------
PUJetAffector::PUJetAffector (void) : 
    PUAffector(),
    _scaled(0.0f)
{
    _dynAcceleration = new (std::nothrow) PUDynamicAttributeFixed();
    (static_cast<PUDynamicAttributeFixed*>(_dynAcceleration))->setValue(DEFAULT_ACCELERATION);
}
//-----------------------------------------------------------------------
PUJetAffector::~PUJetAffector (void)
{
    if (!_dynAcceleration)
        return;

    CC_SAFE_DELETE(_dynAcceleration);
    _dynAcceleration = 0;
}
//-----------------------------------------------------------------------
void PUJetAffector::setDynAcceleration(PUDynamicAttribute* dynAcceleration)
{
    if (_dynAcceleration)
        CC_SAFE_DELETE(_dynAcceleration);

    _dynAcceleration = dynAcceleration;
}

void PUJetAffector::updatePUAffector( PUParticle3D *particle, float deltaTime )
{
   // for (auto iter : _particleSystem->getParticles())
    {
       // PUParticle3D *particle = iter;
        _scaled = deltaTime * (_dynAcceleration->getValue(particle->timeFraction));
        if (particle->direction == Vec3::ZERO)
        {
            // Existing direction is zero, so use original direction
            particle->direction += (particle->originalDirection * _scaled);
        }
        else
        {
            particle->direction += (particle->direction * _scaled);
        }
    }
}

PUJetAffector* PUJetAffector::create()
{
    auto pja = new (std::nothrow) PUJetAffector();
    pja->autorelease();
    return pja;
}

void PUJetAffector::copyAttributesTo( PUAffector* affector )
{
    PUAffector::copyAttributesTo(affector);

    PUJetAffector* jetAffector = static_cast<PUJetAffector*>(affector);
    jetAffector->setDynAcceleration(getDynAcceleration()->clone());
}

NS_CC_END