mirror of https://github.com/axmolengine/axmol.git
174 lines
6.6 KiB
C++
174 lines
6.6 KiB
C++
/****************************************************************************
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Copyright (c) 2014 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 "CCPUParticle3DTextureRotator.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 bool PUParticle3DTextureRotator::DEFAULT_USE_OWN_SPEED = false;
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const float PUParticle3DTextureRotator::DEFAULT_ROTATION_SPEED = 10.0f;
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const float PUParticle3DTextureRotator::DEFAULT_ROTATION = 0.0f;
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//-----------------------------------------------------------------------
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PUParticle3DTextureRotator::PUParticle3DTextureRotator(void) :
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PUParticle3DAffector(),
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_useOwnRotationSpeed(DEFAULT_USE_OWN_SPEED),
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_scaledRotationSpeed(0.0f),
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_twoPiRad(float(2.0 * M_PI))
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{
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_dynRotation = new PUDynamicAttributeFixed();
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(static_cast<PUDynamicAttributeFixed*>(_dynRotation))->setValue(DEFAULT_ROTATION);
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_dynRotationSpeed = new PUDynamicAttributeFixed();
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(static_cast<PUDynamicAttributeFixed*>(_dynRotationSpeed))->setValue(DEFAULT_ROTATION_SPEED);
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}
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//-----------------------------------------------------------------------
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PUParticle3DTextureRotator::~PUParticle3DTextureRotator(void)
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{
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if (_dynRotation)
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{
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CC_SAFE_DELETE(_dynRotation);
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}
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if (_dynRotationSpeed)
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{
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CC_SAFE_DELETE(_dynRotationSpeed);
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}
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}
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//-----------------------------------------------------------------------
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bool PUParticle3DTextureRotator::useOwnRotationSpeed (void) const
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{
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return _useOwnRotationSpeed;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DTextureRotator::setUseOwnRotationSpeed (bool useOwnRotationSpeed)
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{
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_useOwnRotationSpeed = useOwnRotationSpeed;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttribute* PUParticle3DTextureRotator::getRotation(void) const
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{
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return _dynRotation;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DTextureRotator::setRotation(PUDynamicAttribute* dynRotation)
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{
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if (_dynRotation)
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CC_SAFE_DELETE(_dynRotation);
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_dynRotation = dynRotation;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttribute* PUParticle3DTextureRotator::getRotationSpeed(void) const
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{
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return _dynRotationSpeed;
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}
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//-----------------------------------------------------------------------
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void PUParticle3DTextureRotator::setRotationSpeed(PUDynamicAttribute* dynRotationSpeed)
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{
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if (_dynRotationSpeed)
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CC_SAFE_DELETE(_dynRotationSpeed);
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_dynRotationSpeed = dynRotationSpeed;
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}
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//-----------------------------------------------------------------------
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float PUParticle3DTextureRotator::calculateRotation(void)
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{
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return _dynamicAttributeHelper.calculate(_dynRotation, (static_cast<PUParticleSystem3D *>(_particleSystem))->getTimeElapsedSinceStart());
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}
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//-----------------------------------------------------------------------
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float PUParticle3DTextureRotator::calculateRotationSpeed(PUParticle3D* particle)
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{
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return _dynamicAttributeHelper.calculate(_dynRotationSpeed, particle->timeFraction);
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}
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//-----------------------------------------------------------------------
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void PUParticle3DTextureRotator::initParticleForEmission(PUParticle3D* particle)
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{
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//// Only continue if the particle is a visual particle
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//if (particle->particleType != PUParticle3D::PT_VISUAL)
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// return;
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// Set initial random zRotation
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particle->zRotation = calculateRotation();
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//FIXME
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//if (particle->parentEmitter->getParentTechnique()->getRenderer())
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//{
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// // Assume that all parents exist. That must be the case otherwise particles are not emitted.
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// particle->parentEmitter->getParentTechnique()->getRenderer()->_notifyParticleZRotated();
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//}
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// Set the zRotationSpeed
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particle->zRotationSpeed = calculateRotationSpeed(particle);
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}
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//-----------------------------------------------------------------------
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void PUParticle3DTextureRotator::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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//// Only continue if the particle is a visual particle
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//if (particle->particleType != PUParticle3D::PT_VISUAL)
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// return;
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if (_useOwnRotationSpeed)
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{
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// Use scaled rotationspeed and adjust the speed according to the velocity
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_scaledRotationSpeed = particle->zRotationSpeed * deltaTime;
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}
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else
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{
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// Scale speed
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_scaledRotationSpeed = calculateRotationSpeed(particle) * deltaTime;
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}
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particle->zRotation += _scaledRotationSpeed;
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particle->zRotation = particle->zRotation > _twoPiRad ? particle->zRotation - _twoPiRad : particle->zRotation;
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//FIXME
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//if (particleTechnique->getRenderer())
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//{
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// particleTechnique->getRenderer()->_notifyParticleZRotated();
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//}
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}
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}
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PUParticle3DTextureRotator* PUParticle3DTextureRotator::create()
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{
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auto ptr = new PUParticle3DTextureRotator();
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ptr->autorelease();
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return ptr;
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}
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void PUParticle3DTextureRotator::copyAttributesTo( PUParticle3DAffector* affector )
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{
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PUParticle3DAffector::copyAttributesTo(affector);
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PUParticle3DTextureRotator* textureRotator = static_cast<PUParticle3DTextureRotator*>(affector);
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textureRotator->setRotation(getRotation()->clone());
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textureRotator->setRotationSpeed(getRotationSpeed()->clone());
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textureRotator->_useOwnRotationSpeed = _useOwnRotationSpeed;
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}
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NS_CC_END |