mirror of https://github.com/axmolengine/axmol.git
158 lines
5.7 KiB
C++
158 lines
5.7 KiB
C++
/****************************************************************************
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Copyright (c) 2015 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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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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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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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 "CCPUParticle3DRandomiser.h"
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#include "Particle3D/ParticleUniverse/CCPUParticleSystem3D.h"
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NS_CC_BEGIN
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// Constants
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const Vec3 PUParticle3DRandomiser::DEFAULT_MAX_DEVIATION(0, 0, 0);
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const float PUParticle3DRandomiser::DEFAULT_TIME_STEP = 0.0f;
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const bool PUParticle3DRandomiser::DEFAULT_RANDOM_DIRECTION = true;
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//-----------------------------------------------------------------------
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PUParticle3DRandomiser::PUParticle3DRandomiser(void) :
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PUParticle3DAffector(),
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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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_update(true),
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_randomDirection(DEFAULT_RANDOM_DIRECTION)
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{
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}
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PUParticle3DRandomiser::~PUParticle3DRandomiser( void )
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{
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}
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//-----------------------------------------------------------------------
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float PUParticle3DRandomiser::getMaxDeviationX(void) const
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{
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return _maxDeviationX;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DRandomiser::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 PUParticle3DRandomiser::getMaxDeviationY(void) const
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{
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return _maxDeviationY;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DRandomiser::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 PUParticle3DRandomiser::getMaxDeviationZ(void) const
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{
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return _maxDeviationZ;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DRandomiser::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 PUParticle3DRandomiser::getTimeStep(void) const
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{
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return _timeStep;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DRandomiser::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 PUParticle3DRandomiser::isRandomDirection(void) const
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{
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return _randomDirection;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DRandomiser::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 PUParticle3DRandomiser::preUpdateAffector(float deltaTime)
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{
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if (/*technique->getNumberOfEmittedParticles()*/_particleSystem->getParticlePool().getActiveParticleList().size() > 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 PUParticle3DRandomiser::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 += Vec3(CCRANDOM_MINUS1_1() * _maxDeviationX,
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CCRANDOM_MINUS1_1() * _maxDeviationY,
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CCRANDOM_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 += Vec3(CCRANDOM_MINUS1_1() * _maxDeviationX * _affectorScale.x,
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CCRANDOM_MINUS1_1() * _maxDeviationY * _affectorScale.y,
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CCRANDOM_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 PUParticle3DRandomiser::postUpdateAffector(float deltaTime)
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{
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_update = false;
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}
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PUParticle3DRandomiser* PUParticle3DRandomiser::create()
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{
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auto pr = new (std::nothrow) PUParticle3DRandomiser();
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pr->autorelease();
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return pr;
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}
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NS_CC_END |