2019-11-23 20:27:39 +08:00
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/****************************************************************************
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Copyright (C) 2013 Henry van Merode. All rights reserved.
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Copyright (c) 2015-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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2021-12-25 10:04:45 +08:00
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2022-08-08 18:02:17 +08:00
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https://axys1.github.io/
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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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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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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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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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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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 "CCPURandomiser.h"
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#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"
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NS_AX_BEGIN
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// Constants
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const Vec3 PURandomiser::DEFAULT_MAX_DEVIATION(0, 0, 0);
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const float PURandomiser::DEFAULT_TIME_STEP = 0.0f;
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const bool PURandomiser::DEFAULT_RANDOM_DIRECTION = true;
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//-----------------------------------------------------------------------
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PURandomiser::PURandomiser()
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: PUAffector()
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, _maxDeviationX(DEFAULT_MAX_DEVIATION.x)
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, _maxDeviationY(DEFAULT_MAX_DEVIATION.y)
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, _maxDeviationZ(DEFAULT_MAX_DEVIATION.z)
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, _timeSinceLastUpdate(0.0f)
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, _timeStep(DEFAULT_TIME_STEP)
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, _randomDirection(DEFAULT_RANDOM_DIRECTION)
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, _update(true)
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{}
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PURandomiser::~PURandomiser(void) {}
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//-----------------------------------------------------------------------
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float PURandomiser::getMaxDeviationX() const
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{
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return _maxDeviationX;
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}
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//-----------------------------------------------------------------------
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void PURandomiser::setMaxDeviationX(float maxDeviationX)
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{
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_maxDeviationX = maxDeviationX;
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}
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//-----------------------------------------------------------------------
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float PURandomiser::getMaxDeviationY() const
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{
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return _maxDeviationY;
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}
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//-----------------------------------------------------------------------
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void PURandomiser::setMaxDeviationY(float maxDeviationY)
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{
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_maxDeviationY = maxDeviationY;
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}
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//-----------------------------------------------------------------------
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float PURandomiser::getMaxDeviationZ() const
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{
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return _maxDeviationZ;
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}
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//-----------------------------------------------------------------------
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void PURandomiser::setMaxDeviationZ(float maxDeviationZ)
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{
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_maxDeviationZ = maxDeviationZ;
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}
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//-----------------------------------------------------------------------
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float PURandomiser::getTimeStep() const
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{
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return _timeStep;
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}
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//-----------------------------------------------------------------------
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void PURandomiser::setTimeStep(float timeStep)
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{
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_timeStep = timeStep;
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_timeSinceLastUpdate = timeStep;
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}
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//-----------------------------------------------------------------------
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bool PURandomiser::isRandomDirection() const
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{
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return _randomDirection;
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}
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//-----------------------------------------------------------------------
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void PURandomiser::setRandomDirection(bool randomDirection)
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{
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_randomDirection = randomDirection;
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}
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//-----------------------------------------------------------------------
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void PURandomiser::preUpdateAffector(float deltaTime)
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{
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if (/*technique->getNumberOfEmittedParticles()*/ static_cast<PUParticleSystem3D*>(_particleSystem)
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->getAliveParticleCount() > 0)
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{
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_timeSinceLastUpdate += deltaTime;
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if (_timeSinceLastUpdate > _timeStep)
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{
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_timeSinceLastUpdate -= _timeStep;
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_update = true;
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}
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}
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}
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//-----------------------------------------------------------------------
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void PURandomiser::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 (_update)
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{
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if (_randomDirection)
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{
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// Random direction: Change the direction after each update
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particle->direction.add(AXRANDOM_MINUS1_1() * _maxDeviationX, AXRANDOM_MINUS1_1() * _maxDeviationY,
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AXRANDOM_MINUS1_1() * _maxDeviationZ);
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}
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else
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{
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// Explicitly check on 'freezed', because it passes the techniques' validation.
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if (particle->isFreezed())
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return;
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// Random position: Add the position deviation after each update
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particle->position.add(AXRANDOM_MINUS1_1() * _maxDeviationX * _affectorScale.x,
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AXRANDOM_MINUS1_1() * _maxDeviationY * _affectorScale.y,
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AXRANDOM_MINUS1_1() * _maxDeviationZ * _affectorScale.z);
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}
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}
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}
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}
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//-----------------------------------------------------------------------
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void PURandomiser::postUpdateAffector(float /*deltaTime*/)
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{
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_update = false;
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}
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PURandomiser* PURandomiser::create()
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{
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auto pr = new PURandomiser();
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pr->autorelease();
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return pr;
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}
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void PURandomiser::copyAttributesTo(PUAffector* affector)
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{
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PUAffector::copyAttributesTo(affector);
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PURandomiser* randomiser = static_cast<PURandomiser*>(affector);
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randomiser->_maxDeviationX = _maxDeviationX;
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randomiser->_maxDeviationY = _maxDeviationY;
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randomiser->_maxDeviationZ = _maxDeviationZ;
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randomiser->setTimeStep(_timeStep); // Also sets time since last update to appropriate value
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randomiser->_randomDirection = _randomDirection;
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}
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2022-07-11 17:50:21 +08:00
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NS_AX_END
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