mirror of https://github.com/axmolengine/axmol.git
114 lines
4.8 KiB
C++
114 lines
4.8 KiB
C++
/****************************************************************************
|
|
Copyright (C) 2013 Henry van Merode. All rights reserved.
|
|
Copyright (c) 2015 Chukong Technologies Inc.
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
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 "CCPUParticle3DScaleVelocityAffector.h"
|
|
#include "extensions/Particle3D/ParticleUniverse/CCPUParticleSystem3D.h"
|
|
|
|
NS_CC_BEGIN
|
|
// Constants
|
|
const float PUParticle3DScaleVelocityAffector::DEFAULT_VELOCITY_SCALE = 1.0f;
|
|
|
|
//-----------------------------------------------------------------------
|
|
PUParticle3DScaleVelocityAffector::PUParticle3DScaleVelocityAffector(void) :
|
|
PUParticle3DAffector(),
|
|
_sinceStartSystem(false),
|
|
_stopAtFlip(false)
|
|
{
|
|
_dynScaleVelocity = new (std::nothrow) PUDynamicAttributeFixed();
|
|
(static_cast<PUDynamicAttributeFixed*>(_dynScaleVelocity))->setValue(DEFAULT_VELOCITY_SCALE);
|
|
}
|
|
//-----------------------------------------------------------------------
|
|
PUParticle3DScaleVelocityAffector::~PUParticle3DScaleVelocityAffector(void)
|
|
{
|
|
if (_dynScaleVelocity)
|
|
{
|
|
CC_SAFE_DELETE(_dynScaleVelocity);
|
|
}
|
|
}
|
|
//-----------------------------------------------------------------------
|
|
void PUParticle3DScaleVelocityAffector::updatePUAffector( PUParticle3D *particle, float deltaTime )
|
|
{
|
|
//for (auto iter : _particleSystem->getParticles())
|
|
{
|
|
// PUParticle3D *particle = iter;
|
|
float ds = 0;
|
|
if (_sinceStartSystem)
|
|
{
|
|
// If control points are used (curved type), the first value of each control point is seconds from the start of the system
|
|
ds = deltaTime * _dynamicAttributeHelper.calculate(_dynScaleVelocity, (static_cast<PUParticleSystem3D *>(_particleSystem))->getTimeElapsedSinceStart());
|
|
}
|
|
else
|
|
{
|
|
// If control points are used (curved type), the first value of each control point is the fraction of the particle lifetime [0..1]
|
|
ds = deltaTime * _dynamicAttributeHelper.calculate(_dynScaleVelocity, particle->timeFraction);
|
|
}
|
|
float length = particle->direction.length(); // Use length for a better delta direction value
|
|
Vec3 calculated = particle->direction;
|
|
calculated.x += ds * (particle->direction.x / length);
|
|
calculated.y += ds * (particle->direction.y / length);
|
|
calculated.z += ds * (particle->direction.z / length);
|
|
|
|
if (_stopAtFlip)
|
|
{
|
|
if ((calculated.x > 0.0f && particle->direction.x < 0.0f) ||
|
|
(calculated.y > 0.0f && particle->direction.y < 0.0f) ||
|
|
(calculated.z > 0.0f && particle->direction.z < 0.0f) ||
|
|
(calculated.x < 0.0f && particle->direction.x > 0.0f) ||
|
|
(calculated.y < 0.0f && particle->direction.y > 0.0f) ||
|
|
(calculated.z < 0.0f && particle->direction.z > 0.0f))
|
|
return;
|
|
}
|
|
|
|
particle->direction = calculated;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
void PUParticle3DScaleVelocityAffector::setDynScaleVelocity(PUDynamicAttribute* dynScaleVelocity)
|
|
{
|
|
if (_dynScaleVelocity)
|
|
CC_SAFE_DELETE(_dynScaleVelocity);
|
|
|
|
_dynScaleVelocity = dynScaleVelocity;
|
|
}
|
|
//-----------------------------------------------------------------------
|
|
void PUParticle3DScaleVelocityAffector::resetDynScaleVelocity(bool resetToDefault)
|
|
{
|
|
if (resetToDefault)
|
|
{
|
|
CC_SAFE_DELETE(_dynScaleVelocity);
|
|
_dynScaleVelocity = new (std::nothrow) PUDynamicAttributeFixed();
|
|
(static_cast<PUDynamicAttributeFixed*>(_dynScaleVelocity))->setValue(DEFAULT_VELOCITY_SCALE);
|
|
}
|
|
}
|
|
|
|
PUParticle3DScaleVelocityAffector* PUParticle3DScaleVelocityAffector::create()
|
|
{
|
|
auto psva = new (std::nothrow) PUParticle3DScaleVelocityAffector();
|
|
psva->autorelease();
|
|
return psva;
|
|
}
|
|
|
|
NS_CC_END |