ReorderParticleSystems类 参考

#include <ParticleTest.h>

类 ReorderParticleSystems 继承关系图:

ReorderParticleSystems 的协作图:

Public 成员函数
	CREATE_FUNC (ReorderParticleSystems)
virtual void	onEnter () override
void	reorderSystem (float time)
virtual void	update (float dt) override
virtual std::string	title () const override
virtual std::string	subtitle () const override
Public 成员函数 继承自 ParticleDemo
	~ParticleDemo ()
void	toggleCallback (cocos2d::Ref *sender)
void	onTouchesBegan (const std::vector< cocos2d::Touch * > &touches, cocos2d::Event *event)
void	onTouchesMoved (const std::vector< cocos2d::Touch * > &touches, cocos2d::Event *event)
void	onTouchesEnded (const std::vector< cocos2d::Touch * > &touches, cocos2d::Event *event)
void	setEmitterPosition ()
Public 成员函数 继承自 TestCase
	TestCase ()
	~TestCase ()
virtual Type	getTestType () const
virtual float	getDuration () const
virtual std::string	getExpectedOutput () const
virtual std::string	getActualOutput () const
virtual void	restartTestCallback (cocos2d::Ref *sender)
virtual void	nextTestCallback (cocos2d::Ref *sender)
virtual void	priorTestCallback (cocos2d::Ref *sender)
virtual void	onBackCallback (cocos2d::Ref *sender)
void	setTestSuite (TestSuite *testSuite)
TestSuite *	getTestSuite () const
float	getRunTime () const
void	setTestCaseName (const std::string &name)
std::string	getTestCaseName () const
const cocos2d::Label *	getSubtitleLable () const
const cocos2d::MenuItemImage *	getRestartTestItem () const

Private 属性
cocos2d::ParticleBatchNode *	_batchNode

额外继承的成员函数
Public 类型 继承自 TestCase
enum class	Type { ROBUSTNESS , UNIT , GRAPHICAL_STATIC , MANUAL }
Public 属性 继承自 TestCase
CC_CONSTRUCTOR_ACCESS	__pad0__: virtual bool init() override
Protected 属性 继承自 ParticleDemo
cocos2d::ParticleSystemQuad *	_emitter
cocos2d::Sprite *	_background
cocos2d::LayerColor *	_color
Protected 属性 继承自 TestCase
cocos2d::MenuItemImage *	_priorTestItem
cocos2d::MenuItemImage *	_restartTestItem
cocos2d::MenuItemImage *	_nextTestItem
cocos2d::Label *	_titleLabel
cocos2d::Label *	_subtitleLabel

详细描述

在文件 ParticleTest.h 第 329 行定义.

成员函数说明

CREATE_FUNC()

ReorderParticleSystems::CREATE_FUNC

(

ReorderParticleSystems

)

onEnter()

void ReorderParticleSystems::onEnter ( )

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1698 行定义.

{
    ParticleDemo::onEnter();
 
    _color->setColor(Color3B::BLACK);
    removeChild(_background ,true);
    _background = nullptr;
 
    _batchNode = ParticleBatchNode::create("Images/stars-grayscale.png" ,3000);
 
    addChild(_batchNode, 1, 2);
 
 
    for (int i = 0; i<3; i++) {
 
        auto particleSystem = ParticleSystemQuad::createWithTotalParticles(200);
        particleSystem->retain();
        particleSystem->setTexture(_batchNode->getTexture());
 
        // duration
        particleSystem->setDuration(ParticleSystem::DURATION_INFINITY);
 
        // radius mode
        particleSystem->setEmitterMode(ParticleSystem::Mode::RADIUS);
 
        // radius mode: 100 pixels from center
        particleSystem->setStartRadius(100);
        particleSystem->setStartRadiusVar(0);
        particleSystem->setEndRadius(ParticleSystem::START_RADIUS_EQUAL_TO_END_RADIUS);
        particleSystem->setEndRadiusVar(0);    // not used when start == end
 
        // radius mode: degrees per second
        // 45 * 4 seconds of life = 180 degrees
        particleSystem->setRotatePerSecond(45);
        particleSystem->setRotatePerSecondVar(0);
 
 
        // angle
        particleSystem->setAngle(90);
        particleSystem->setAngleVar(0);
 
        // emitter position
        particleSystem->setPosVar(Vec2::ZERO);
 
        // life of particles
        particleSystem->setLife(4);
        particleSystem->setLifeVar(0);
 
        // spin of particles
        particleSystem->setStartSpin(0);
        particleSystem->setStartSpinVar(0);
        particleSystem->setEndSpin(0);
        particleSystem->setEndSpinVar(0);
 
        // color of particles
        float color[3] = {0,0,0};
        color[i] = 1;
        Color4F startColor(color[0], color[1], color[2], 1.0f);
        particleSystem->setStartColor(startColor);
 
        Color4F startColorVar(0, 0, 0, 0);
        particleSystem->setStartColorVar(startColorVar);
 
        Color4F endColor = startColor;
        particleSystem->setEndColor(endColor);
 
        Color4F endColorVar = startColorVar;
        particleSystem->setEndColorVar(endColorVar);
 
        // size, in pixels
        particleSystem->setStartSize(32);
        particleSystem->setStartSizeVar(0);
        particleSystem->setEndSize(ParticleSystem::START_SIZE_EQUAL_TO_END_SIZE);
 
        // emits per second
        particleSystem->setEmissionRate(particleSystem->getTotalParticles()/particleSystem->getLife());
 
        // additive
 
        particleSystem->setPosition(Vec2(i*10+120.0f,200.0f));
 
 
        _batchNode->addChild(particleSystem);
        particleSystem->setPositionType(ParticleSystem::PositionType::FREE);
 
        particleSystem->release();
 
        //[pBNode addChild:particleSystem z:10 tag:0);
 
    }
 
    schedule(CC_SCHEDULE_SELECTOR(ReorderParticleSystems::reorderSystem), 2.0f);
    _emitter = nullptr;
 
}

引用了 ParticleDemo::_background, _batchNode, ParticleDemo::_color, ParticleDemo::_emitter, ParticleDemo::onEnter() , 以及 reorderSystem().

函数调用图:

reorderSystem()

void ReorderParticleSystems::reorderSystem

(

float

time

)

在文件 ParticleTest.cpp 第 1794 行定义.

{
    auto system = static_cast<ParticleSystem*>(_batchNode->getChildren().at(1));
    _batchNode->reorderChild(system, system->getLocalZOrder() - 1);     
}

引用了 _batchNode.

被这些函数引用 onEnter().

这是这个函数的调用关系图:

subtitle()

std::string ReorderParticleSystems::subtitle ( ) const

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1825 行定义.

{
    return "changes every 2 seconds";
}

title()

std::string ReorderParticleSystems::title ( ) const

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1820 行定义.

{
    return "reorder systems";
}

update()

void ReorderParticleSystems::update ( float  dt )

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1801 行定义.

{
    auto atlas = static_cast<LabelAtlas*>(getChildByTag(kTagParticleCount));
 
    int count = 0;
 
    auto batchNode = getChildByTag(2);
    for(const auto &child : batchNode->getChildren()) {
        auto item = dynamic_cast<ParticleSystem*>(child);
        if (item != nullptr)
        {
            count += item->getParticleCount();
        }
    }
    char str[100] = {0};
    sprintf(str, "%4d", count);
    atlas->setString(str);
}

引用了 kTagParticleCount.

类成员变量说明

_batchNode

cocos2d::ParticleBatchNode* ReorderParticleSystems::_batchNode

private

在文件 ParticleTest.h 第 339 行定义.

被这些函数引用 onEnter() , 以及 reorderSystem().

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该类的文档由以下文件生成:

• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/ParticleTest/ParticleTest.h
• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/ParticleTest/ParticleTest.cpp