AddAndDeleteParticleSystems类 参考

#include <ParticleTest.h>

类 AddAndDeleteParticleSystems 继承关系图:

AddAndDeleteParticleSystems 的协作图:

Public 成员函数
	CREATE_FUNC (AddAndDeleteParticleSystems)
virtual void	onEnter () override
virtual void	update (float dt) override
void	removeSystem (float dt)
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 316 行定义.

成员函数说明

CREATE_FUNC()

AddAndDeleteParticleSystems::CREATE_FUNC

(

AddAndDeleteParticleSystems

)

onEnter()

void AddAndDeleteParticleSystems::onEnter ( )

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1610 行定义.

{
    ParticleDemo::onEnter();
 
    _color->setColor(Color3B::BLACK);
    removeChild(_background, true);
    _background = nullptr;
 
    //adds the texture inside the plist to the texture cache
    _batchNode = ParticleBatchNode::createWithTexture((Texture2D*)nullptr, 16000);
 
    addChild(_batchNode, 1, 2);
 
    for (int i = 0; i<6; i++) {
 
        auto particleSystem = ParticleSystemQuad::create("Particles/Spiral.plist");
        _batchNode->setTexture(particleSystem->getTexture());
 
        particleSystem->setPositionType(ParticleSystem::PositionType::GROUPED);
        particleSystem->setTotalParticles(200);
 
        particleSystem->setPosition(Vec2(i*15 +100.0f,i*15+100.0f));
 
        unsigned int randZ = rand() % 100;
        _batchNode->addChild(particleSystem, randZ, -1);
 
    }
 
    schedule(CC_SCHEDULE_SELECTOR(AddAndDeleteParticleSystems::removeSystem), 0.5f);
    _emitter = nullptr;
 
}

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

函数调用图:

removeSystem()

void AddAndDeleteParticleSystems::removeSystem

(

float

dt

)

在文件 ParticleTest.cpp 第 1643 行定义.

{
    ssize_t nChildrenCount = _batchNode->getChildren().size();
    if (nChildrenCount > 0) 
    {
        CCLOG("remove random system");
        unsigned int uRand = rand() % (nChildrenCount - 1);
        _batchNode->removeChild(_batchNode->getChildren().at(uRand), true);
 
        auto particleSystem = ParticleSystemQuad::create("Particles/Spiral.plist");
        //add new
 
        particleSystem->setPositionType(ParticleSystem::PositionType::GROUPED);
        particleSystem->setTotalParticles(200);
 
        particleSystem->setPosition(Vec2(rand() % 300 ,rand() % 400));
 
        CCLOG("add a new system");
        unsigned int randZ = rand() % 100;
        _batchNode->addChild(particleSystem, randZ, -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 AddAndDeleteParticleSystems::subtitle ( ) const

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1691 行定义.

{
    return "v1.1 test: every 2 sec 1 system disappear, 1 appears";
}

title()

std::string AddAndDeleteParticleSystems::title ( ) const

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1686 行定义.

{
    return "Add and remove Particle System";
}

update()

void AddAndDeleteParticleSystems::update ( float  dt )

overridevirtual

重载 ParticleDemo .

在文件 ParticleTest.cpp 第 1666 行定义.

{
    auto atlas = (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* AddAndDeleteParticleSystems::_batchNode

private

在文件 ParticleTest.h 第 326 行定义.

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

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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