axmol/extensions/Particle3D/PU/CCPUGeometryRotator.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://adxeproject.github.io/

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#include "CCPUGeometryRotator.h"
#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"

NS_CC_BEGIN
//-----------------------------------------------------------------------
// Constants
const bool PUGeometryRotator::DEFAULT_USE_OWN         = false;
const float PUGeometryRotator::DEFAULT_ROTATION_SPEED = 10.0f;
const Vec3 PUGeometryRotator::DEFAULT_ROTATION_AXIS(0, 0, 0);

//-----------------------------------------------------------------------
PUGeometryRotator::PUGeometryRotator()
    : PUAffector()
    , _scaledRotationSpeed(0.0f)
    , _useOwnRotationSpeed(DEFAULT_USE_OWN)
    ,
    // mQ(Quaternion::IDENTITY),
    _rotationAxis(DEFAULT_ROTATION_AXIS)
    , _rotationAxisSet(false)
{
    _dynRotationSpeed = new PUDynamicAttributeFixed();
    (static_cast<PUDynamicAttributeFixed*>(_dynRotationSpeed))->setValue(DEFAULT_ROTATION_SPEED);
};
//-----------------------------------------------------------------------
PUGeometryRotator::~PUGeometryRotator()
{
    if (_dynRotationSpeed)
        CC_SAFE_DELETE(_dynRotationSpeed);
}
//-----------------------------------------------------------------------
const Vec3& PUGeometryRotator::getRotationAxis() const
{
    return _rotationAxis;
}
//-----------------------------------------------------------------------
void PUGeometryRotator::setRotationAxis(const Vec3& rotationAxis)
{
    _rotationAxis    = rotationAxis;
    _rotationAxisSet = true;
}
//-----------------------------------------------------------------------
void PUGeometryRotator::resetRotationAxis()
{
    _dynRotationSpeed = new PUDynamicAttributeFixed();
    (static_cast<PUDynamicAttributeFixed*>(_dynRotationSpeed))->setValue(DEFAULT_ROTATION_SPEED);
    _rotationAxisSet = false;
}
//-----------------------------------------------------------------------
PUDynamicAttribute* PUGeometryRotator::getRotationSpeed() const
{
    return _dynRotationSpeed;
}
//-----------------------------------------------------------------------
void PUGeometryRotator::setRotationSpeed(PUDynamicAttribute* dynRotationSpeed)
{
    if (_dynRotationSpeed)
        CC_SAFE_DELETE(_dynRotationSpeed);
    _dynRotationSpeed = dynRotationSpeed;
}
//-----------------------------------------------------------------------
bool PUGeometryRotator::useOwnRotationSpeed() const
{
    return _useOwnRotationSpeed;
}
//-----------------------------------------------------------------------
void PUGeometryRotator::setUseOwnRotationSpeed(bool useOwnRotationSpeed)
{
    _useOwnRotationSpeed = useOwnRotationSpeed;
}
//-----------------------------------------------------------------------
float PUGeometryRotator::calculateRotationSpeed(PUParticle3D* particle)
{
    return _dynamicAttributeHelper.calculate(_dynRotationSpeed, particle->timeFraction);
}
//-----------------------------------------------------------------------
void PUGeometryRotator::initParticleForEmission(PUParticle3D* particle)
{
    //// Only continue if the particle is a visual particle
    // if (particle->particleType != Particle::PT_VISUAL)
    //	return;
    // for (auto iter : _particleSystem->getParticlePool().getActiveParticleList())
    {
        // PUParticle3D *particle = static_cast<PUParticle3D*>(iter);
        if (!_rotationAxisSet)
        {
            // Set initial random rotation axis and orientation(PU 1.4)
            particle->orientation.x = CCRANDOM_MINUS1_1();
            particle->orientation.y = CCRANDOM_MINUS1_1();
            particle->orientation.z = CCRANDOM_MINUS1_1();
            particle->orientation.w = CCRANDOM_MINUS1_1();
            particle->orientation.normalize();
            particle->rotationAxis.x = CCRANDOM_0_1();
            particle->rotationAxis.y = CCRANDOM_0_1();
            particle->rotationAxis.z = CCRANDOM_0_1();
            particle->rotationAxis.normalize();
        }

        if (_useOwnRotationSpeed)
        {
            // Use the rotation speed of the particle itself
            particle->rotationSpeed = calculateRotationSpeed(particle);
        }
    }
}
//-----------------------------------------------------------------------

void PUGeometryRotator::updatePUAffector(PUParticle3D* particle, float deltaTime)
{
    // for (auto iter : _particleSystem->getParticles())
    {
        // PUParticle3D *particle = iter;
        //  Rotate the geometry

        if (_useOwnRotationSpeed)
        {
            // Use scaled rotationspeed and adjust the speed according to the velocity
            _scaledRotationSpeed = particle->rotationSpeed * deltaTime;
        }
        else
        {
            // Scale speed (beware that dynamic values don't result in a rotation; use a fixed value instead)
            _scaledRotationSpeed = calculateRotationSpeed(particle) * deltaTime;
        }

        _q.set(0.0f, 0.0f, 0.0f, 1.0f);
        //_q = Quaternion::IDENTITY;
        if (_rotationAxisSet)
        {
            _q.set(_rotationAxis, _scaledRotationSpeed);
            //_q.FromAngleAxis(Radian(_scaledRotationSpeed), _rotationAxis);
        }
        else
        {
            _q.set(particle->rotationAxis, _scaledRotationSpeed);
            //_q.FromAngleAxis(Radian(_scaledRotationSpeed), visualParticle->rotationAxis);
        }

        particle->orientation = _q * particle->orientation;
    }
}

PUGeometryRotator* PUGeometryRotator::create()
{
    auto pgr = new PUGeometryRotator();
    pgr->autorelease();
    return pgr;
}

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

    PUGeometryRotator* geometryRotator = static_cast<PUGeometryRotator*>(affector);
    geometryRotator->setRotationSpeed(getRotationSpeed()->clone());
    geometryRotator->_useOwnRotationSpeed = _useOwnRotationSpeed;
    geometryRotator->_rotationAxis        = _rotationAxis;
    geometryRotator->_rotationAxisSet     = _rotationAxisSet;
}

//-----------------------------------------------------------------------

NS_CC_END