mirror of https://github.com/axmolengine/axmol.git
86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
/****************************************************************************
|
|
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/
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
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,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
|
|
#include "CCPUPathFollower.h"
|
|
#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"
|
|
|
|
NS_AX_BEGIN
|
|
|
|
PUPathFollower::PUPathFollower(void) {}
|
|
|
|
PUPathFollower::~PUPathFollower(void) {}
|
|
|
|
//-----------------------------------------------------------------------
|
|
void PUPathFollower::addPoint(const Vec3& point)
|
|
{
|
|
_spline.addPoint(point);
|
|
}
|
|
//-----------------------------------------------------------------------
|
|
void PUPathFollower::clearPoints()
|
|
{
|
|
_spline.clear();
|
|
}
|
|
//-----------------------------------------------------------------------
|
|
|
|
void PUPathFollower::updatePUAffector(PUParticle3D* particle, float deltaTime)
|
|
{
|
|
// for (auto&& iter : _particleSystem->getParticles())
|
|
{
|
|
// PUParticle3D *particle = iter;
|
|
if (_spline.getNumPoints() > 0)
|
|
{
|
|
// PU 1.4
|
|
float timeLeft = particle->totalTimeToLive - particle->timeToLive;
|
|
float timeFraction = timeLeft / particle->totalTimeToLive;
|
|
float timeFractionPlusDelta = (timeLeft + deltaTime) / particle->totalTimeToLive;
|
|
timeFractionPlusDelta = timeFractionPlusDelta < 1.0f ? timeFractionPlusDelta : 1.0f;
|
|
Vec3 inter = _spline.interpolate(timeFractionPlusDelta) - _spline.interpolate(timeFraction);
|
|
particle->position.add(_affectorScale.x * inter.x, _affectorScale.y * inter.y, _affectorScale.z * inter.z);
|
|
}
|
|
}
|
|
}
|
|
|
|
PUPathFollower* PUPathFollower::create()
|
|
{
|
|
auto ppf = new PUPathFollower();
|
|
ppf->autorelease();
|
|
return ppf;
|
|
}
|
|
|
|
void PUPathFollower::copyAttributesTo(PUAffector* affector)
|
|
{
|
|
PUAffector::copyAttributesTo(affector);
|
|
PUPathFollower* pathFollower = static_cast<PUPathFollower*>(affector);
|
|
unsigned short numPoints = _spline.getNumPoints();
|
|
pathFollower->_spline.clear();
|
|
for (unsigned short i = 0; i < numPoints; ++i)
|
|
{
|
|
pathFollower->_spline.addPoint(_spline.getPoint(i));
|
|
}
|
|
}
|
|
|
|
NS_AX_END
|