axmol/extensions/Particle3D/PU/PUGeometryRotator.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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 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "PUGeometryRotator.h"
#include "extensions/Particle3D/PU/PUParticleSystem3D.h"

NS_AX_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)
        AX_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)
        AX_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 = AXRANDOM_MINUS1_1();
            particle->orientation.y = AXRANDOM_MINUS1_1();
            particle->orientation.z = AXRANDOM_MINUS1_1();
            particle->orientation.w = AXRANDOM_MINUS1_1();
            particle->orientation.normalize();
            particle->rotationAxis.x = AXRANDOM_0_1();
            particle->rotationAxis.y = AXRANDOM_0_1();
            particle->rotationAxis.z = AXRANDOM_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_AX_END