CameraCullingDemo类 参考

#include <Camera3DTest.h>

类 CameraCullingDemo 继承关系图:

CameraCullingDemo 的协作图:

Public 成员函数
	CREATE_FUNC (CameraCullingDemo)
	CameraCullingDemo ()
virtual	~CameraCullingDemo ()
virtual void	onEnter () override
virtual void	onExit () override
virtual void	update (float dt) override
virtual std::string	title () const override
void	reachEndCallBack ()
void	switchViewCallback (cocos2d::Ref *sender)
void	addSpriteCallback (cocos2d::Ref *sender)
void	delSpriteCallback (cocos2d::Ref *sender)
void	drawCameraFrustum ()
Public 成员函数 继承自 TestCase
	TestCase ()
	~TestCase ()
virtual std::string	subtitle () const
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

Protected 属性
cocos2d::Label *	_labelSprite3DCount
cocos2d::Layer *	_layer3D
std::vector< cocos2d::Sprite3D * >	_objects
CameraType	_cameraType
cocos2d::Camera *	_cameraFirst
cocos2d::Camera *	_cameraThird
cocos2d::MoveBy *	_moveAction
cocos2d::DrawNode3D *	_drawAABB
cocos2d::DrawNode3D *	_drawFrustum
int	_row
Protected 属性 继承自 CameraBaseTest
cocos2d::BillBoard *	bill1
cocos2d::BillBoard *	bill2
cocos2d::Label *	l1
cocos2d::Label *	l2
Protected 属性 继承自 TestCase
cocos2d::MenuItemImage *	_priorTestItem
cocos2d::MenuItemImage *	_restartTestItem
cocos2d::MenuItemImage *	_nextTestItem
cocos2d::Label *	_titleLabel
cocos2d::Label *	_subtitleLabel

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

详细描述

在文件 Camera3DTest.h 第 158 行定义.

构造及析构函数说明

CameraCullingDemo()

CameraCullingDemo::CameraCullingDemo

(

)

在文件 Camera3DTest.cpp 第 707 行定义.

: _layer3D(nullptr)
, _cameraType(CameraType::FirstPerson)
, _cameraFirst(nullptr)
, _cameraThird(nullptr)
, _moveAction(nullptr)
, _drawAABB(nullptr)
, _drawFrustum(nullptr)
, _row(3)
{
}

引用了 FirstPerson.

~CameraCullingDemo()

CameraCullingDemo::~CameraCullingDemo ( )

virtual

在文件 Camera3DTest.cpp 第 718 行定义.

{
}

成员函数说明

addSpriteCallback()

void CameraCullingDemo::addSpriteCallback

(

cocos2d::Ref *

sender

)

在文件 Camera3DTest.cpp 第 879 行定义.

{
    _layer3D->removeAllChildren();
    _objects.clear();
    _drawAABB->clear();
    
    ++_row;
    for (int x = -_row; x < _row; x++)
    {
        for (int z = -_row; z < _row; z++)
        {
            auto sprite = Sprite3D::create("Sprite3DTest/orc.c3b");
            sprite->setPosition3D(Vec3(x * 30.0f, 0.0f, z * 30.0f));
            sprite->setRotation3D(Vec3(0.0f,180.0f,0.0f));
            _objects.push_back(sprite);
            _layer3D->addChild(sprite);
        }
    }
    
    // set layer mask.
    _layer3D->setCameraMask( (unsigned short) CameraFlag::USER1);
    
    // update sprite number
    char szText[16];
    sprintf(szText,"%ld sprits", static_cast<long>(_layer3D->getChildrenCount()));
    _labelSprite3DCount->setString(szText);
}

引用了 _drawAABB, _labelSprite3DCount, _layer3D, _objects , 以及 _row.

被这些函数引用 onEnter().

这是这个函数的调用关系图:

CREATE_FUNC()

CameraCullingDemo::CREATE_FUNC

(

CameraCullingDemo

)

delSpriteCallback()

void CameraCullingDemo::delSpriteCallback

(

cocos2d::Ref *

sender

)

在文件 Camera3DTest.cpp 第 907 行定义.

{
    if (_row == 0) return;
    
    _layer3D->removeAllChildren();
    _objects.clear();
    
    --_row;
    for (int x = -_row; x < _row; x++)
    {
        for (int z = -_row; z < _row; z++)
        {
            auto sprite = Sprite3D::create("Sprite3DTest/orc.c3b");
            sprite->setPosition3D(Vec3(x * 30.0f, 0.0f, z * 30.0f));
            _objects.push_back(sprite);
            _layer3D->addChild(sprite);
        }
    }
    
    // set layer mask.
    _layer3D->setCameraMask((unsigned short) CameraFlag::USER1);
    
    // update sprite number
    char szText[16];
    sprintf(szText,"%ld sprits", static_cast<long>(_layer3D->getChildrenCount()));
    _labelSprite3DCount->setString(szText);
}

引用了 _labelSprite3DCount, _layer3D, _objects , 以及 _row.

被这些函数引用 onEnter().

这是这个函数的调用关系图:

drawCameraFrustum()

void CameraCullingDemo::drawCameraFrustum

(

)

在文件 Camera3DTest.cpp 第 935 行定义.

{
    _drawFrustum->clear();
    auto size = Director::getInstance()->getWinSize();
    
    Color4F color(1.f, 1.f, 0.f, 1);
    
    // top-left
    Vec3 tl_0,tl_1;
    Vec3 src(0,0,0);
    tl_0 = _cameraFirst->unproject(src);
    src = Vec3(0,0,1);
    tl_1 = _cameraFirst->unproject(src);
    
    // top-right
    Vec3 tr_0,tr_1;
    src = Vec3(size.width,0,0);
    tr_0 = _cameraFirst->unproject(src);
    src = Vec3(size.width,0,1);
    tr_1 = _cameraFirst->unproject(src);
    
    // bottom-left
    Vec3 bl_0,bl_1;
    src = Vec3(0,size.height,0);
    bl_0 = _cameraFirst->unproject(src);
    src = Vec3(0,size.height,1);
    bl_1 = _cameraFirst->unproject(src);
    
    // bottom-right
    Vec3 br_0,br_1;
    src = Vec3(size.width,size.height,0);
    br_0 = _cameraFirst->unproject(src);
    src = Vec3(size.width,size.height,1);
    br_1 = _cameraFirst->unproject(src);
    
    _drawFrustum->drawLine(tl_0, tl_1, color);
    _drawFrustum->drawLine(tr_0, tr_1, color);
    _drawFrustum->drawLine(bl_0, bl_1, color);
    _drawFrustum->drawLine(br_0, br_1, color);
    
    _drawFrustum->drawLine(tl_0, tr_0, color);
    _drawFrustum->drawLine(tr_0, br_0, color);
    _drawFrustum->drawLine(br_0, bl_0, color);
    _drawFrustum->drawLine(bl_0, tl_0, color);
    
    _drawFrustum->drawLine(tl_1, tr_1, color);
    _drawFrustum->drawLine(tr_1, br_1, color);
    _drawFrustum->drawLine(br_1, bl_1, color);
    _drawFrustum->drawLine(bl_1, tl_1, color);
}

引用了 _cameraFirst , 以及 _drawFrustum.

被这些函数引用 update().

这是这个函数的调用关系图:

onEnter()

void CameraCullingDemo::onEnter ( )

overridevirtual

重载 TestCase .

在文件 Camera3DTest.cpp 第 727 行定义.

{
    CameraBaseTest::onEnter();
 
    schedule(CC_SCHEDULE_SELECTOR(CameraCullingDemo::update), 0.0f);
    
    auto s = Director::getInstance()->getWinSize();
    /*auto listener = EventListenerTouchAllAtOnce::create();
    listener->onTouchesBegan = CC_CALLBACK_2(Camera3DTestDemo::onTouchesBegan, this);
    listener->onTouchesMoved = CC_CALLBACK_2(Camera3DTestDemo::onTouchesMoved, this);
    listener->onTouchesEnded = CC_CALLBACK_2(Camera3DTestDemo::onTouchesEnded, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);*/
    auto layer3D=Layer::create();
    addChild(layer3D,0);
    _layer3D=layer3D;
    
    // switch camera
    MenuItemFont::setFontName("fonts/arial.ttf");
    MenuItemFont::setFontSize(20);
    
    auto menuItem1 = MenuItemFont::create("Switch Camera", CC_CALLBACK_1(CameraCullingDemo::switchViewCallback,this));
    menuItem1->setColor(Color3B(0,200,20));
    auto menu = Menu::create(menuItem1,NULL);
    menu->setPosition(Vec2::ZERO);
    menuItem1->setPosition(VisibleRect::left().x + 80, VisibleRect::top().y -70);
    addChild(menu, 1);
    
    // + -
    MenuItemFont::setFontSize(40);
    auto decrease = MenuItemFont::create(" - ", CC_CALLBACK_1(CameraCullingDemo::delSpriteCallback, this));
    decrease->setColor(Color3B(0,200,20));
    auto increase = MenuItemFont::create(" + ", CC_CALLBACK_1(CameraCullingDemo::addSpriteCallback, this));
    increase->setColor(Color3B(0,200,20));
    
    menu = Menu::create(decrease, increase, nullptr);
    menu->alignItemsHorizontally();
    menu->setPosition(Vec2(s.width - 60, VisibleRect::top().y -70));
    addChild(menu, 1);
    
    TTFConfig ttfCount("fonts/Marker Felt.ttf", 30);
    _labelSprite3DCount = Label::createWithTTF(ttfCount,"0 sprits");
    _labelSprite3DCount->setColor(Color3B(0,200,20));
    _labelSprite3DCount->setPosition(Vec2(s.width/2, VisibleRect::top().y -70));
    addChild(_labelSprite3DCount);
    
    // aabb drawNode3D
    _drawAABB = DrawNode3D::create();
    _drawAABB->setCameraMask((unsigned short) CameraFlag::USER1);
    addChild(_drawAABB);
    
    // frustum drawNode3D
    _drawFrustum = DrawNode3D::create();
    _drawFrustum->setCameraMask((unsigned short) CameraFlag::USER1);
    addChild(_drawFrustum);
    
    // set camera
    switchViewCallback(this);
    
    // add sprite
    addSpriteCallback(nullptr);
}

引用了 _drawAABB, _drawFrustum, _labelSprite3DCount, _layer3D, addSpriteCallback(), DrawNode3D::create(), delSpriteCallback(), VisibleRect::left(), TestCase::onEnter(), switchViewCallback(), VisibleRect::top() , 以及 update().

函数调用图:

onExit()

void CameraCullingDemo::onExit ( )

overridevirtual

在文件 Camera3DTest.cpp 第 789 行定义.

{
    CameraBaseTest::onExit();
    if (_cameraFirst)
    {
        _cameraFirst = nullptr;
    }
    if (_cameraThird)
    {
        _cameraThird = nullptr;
    }
}

引用了 _cameraFirst , 以及 _cameraThird.

reachEndCallBack()

void CameraCullingDemo::reachEndCallBack

(

)

在文件 Camera3DTest.cpp 第 823 行定义.

{
    _cameraFirst->stopActionByTag(100);
    auto inverse = MoveTo::create(4.f, Vec2(-_cameraFirst->getPositionX(), 0.0f));
    inverse->retain();
    
    _moveAction->release();
    _moveAction = inverse;
    auto rot = RotateBy::create(1.f, Vec3(0.f, 180.f, 0.f));
    auto seq = Sequence::create(rot, _moveAction, CallFunc::create(CC_CALLBACK_0(CameraCullingDemo::reachEndCallBack, this)), nullptr);
    seq->setTag(100);
    _cameraFirst->runAction(seq);
}

引用了 _cameraFirst, _moveAction , 以及 reachEndCallBack().

被这些函数引用 reachEndCallBack() , 以及 switchViewCallback().

函数调用图:

这是这个函数的调用关系图:

switchViewCallback()

void CameraCullingDemo::switchViewCallback

(

cocos2d::Ref *

sender

)

在文件 Camera3DTest.cpp 第 837 行定义.

{
    auto s = Director::getInstance()->getWinSize();
    
    if (_cameraFirst == nullptr)
    {
        _cameraFirst = Camera::createPerspective(30.0f, (float)s.width/s.height, 10.0f, 200.0f);
        _cameraFirst->setCameraFlag(CameraFlag::USER8);
        _cameraFirst->setPosition3D(Vec3(-100.0f,0.0f,0.0f));
        _cameraFirst->lookAt(Vec3(1000.0f,0.0f,0.0f));
        _moveAction = MoveTo::create(4.f, Vec2(-_cameraFirst->getPositionX(), 0.0f));
        _moveAction->retain();
        auto seq = Sequence::create(_moveAction, CallFunc::create(CC_CALLBACK_0(CameraCullingDemo::reachEndCallBack, this)), nullptr);
        seq->setTag(100);
        _cameraFirst->runAction(seq);
        addChild(_cameraFirst);
    }
    
    if (_cameraThird == nullptr)
    {
        _cameraThird = Camera::createPerspective(60, (float)s.width/s.height, 1, 1000);
        _cameraThird->setCameraFlag(CameraFlag::USER8);
        _cameraThird->setPosition3D(Vec3(0.0f, 130.0f, 130.0f));
        _cameraThird->lookAt(Vec3(0,0,0));
        addChild(_cameraThird);
    }
    
    if(_cameraType == CameraType::FirstPerson)
    {
        _cameraType = CameraType::ThirdPerson;
        _cameraThird->setCameraFlag(CameraFlag::USER1);
        _cameraFirst->setCameraFlag(CameraFlag::USER8);
    }
    else if(_cameraType == CameraType::ThirdPerson)
    {
        _cameraType = CameraType::FirstPerson;
        _cameraFirst->setCameraFlag(CameraFlag::USER1);
        _cameraThird->setCameraFlag(CameraFlag::USER8);
        _drawFrustum->clear();
    }
}

引用了 _cameraFirst, _cameraThird, _cameraType, _drawFrustum, _moveAction, FirstPerson, reachEndCallBack() , 以及 ThirdPerson.

被这些函数引用 onEnter().

函数调用图:

这是这个函数的调用关系图:

title()

std::string CameraCullingDemo::title ( ) const

overridevirtual

重载 TestCase .

在文件 Camera3DTest.cpp 第 722 行定义.

{
    return "Camera Frustum Clipping";
}

update()

void CameraCullingDemo::update ( float  dt )

overridevirtual

在文件 Camera3DTest.cpp 第 802 行定义.

{
    _drawAABB->clear();
 
    if(_cameraType == CameraType::ThirdPerson)
        drawCameraFrustum();
 
    Vector<Node*>& children = _layer3D->getChildren();
    Vec3 corners[8];
 
    for (const auto& iter: children)
    {
        const AABB& aabb = static_cast<Sprite3D*>(iter)->getAABB();
        if (_cameraFirst->isVisibleInFrustum(&aabb))
        {
            aabb.getCorners(corners);
            _drawAABB->drawCube(corners, Color4F(0, 1, 0, 1));
        }
    }
}

引用了 _cameraFirst, _cameraType, _drawAABB, _layer3D, drawCameraFrustum() , 以及 ThirdPerson.

被这些函数引用 onEnter().

函数调用图:

这是这个函数的调用关系图:

类成员变量说明

_cameraFirst

cocos2d::Camera* CameraCullingDemo::_cameraFirst

protected

在文件 Camera3DTest.h 第 184 行定义.

被这些函数引用 drawCameraFrustum(), onExit(), reachEndCallBack(), switchViewCallback() , 以及 update().

_cameraThird

cocos2d::Camera* CameraCullingDemo::_cameraThird

protected

在文件 Camera3DTest.h 第 185 行定义.

被这些函数引用 onExit() , 以及 switchViewCallback().

_cameraType

CameraType CameraCullingDemo::_cameraType

protected

在文件 Camera3DTest.h 第 183 行定义.

被这些函数引用 switchViewCallback() , 以及 update().

_drawAABB

cocos2d::DrawNode3D* CameraCullingDemo::_drawAABB

protected

在文件 Camera3DTest.h 第 187 行定义.

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

_drawFrustum

cocos2d::DrawNode3D* CameraCullingDemo::_drawFrustum

protected

在文件 Camera3DTest.h 第 188 行定义.

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

_labelSprite3DCount

cocos2d::Label* CameraCullingDemo::_labelSprite3DCount

protected

在文件 Camera3DTest.h 第 180 行定义.

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

_layer3D

cocos2d::Layer* CameraCullingDemo::_layer3D

protected

在文件 Camera3DTest.h 第 181 行定义.

被这些函数引用 addSpriteCallback(), delSpriteCallback(), onEnter() , 以及 update().

_moveAction

cocos2d::MoveBy* CameraCullingDemo::_moveAction

protected

在文件 Camera3DTest.h 第 186 行定义.

被这些函数引用 reachEndCallBack() , 以及 switchViewCallback().

_objects

std::vector<cocos2d::Sprite3D*> CameraCullingDemo::_objects

protected

在文件 Camera3DTest.h 第 182 行定义.

被这些函数引用 addSpriteCallback() , 以及 delSpriteCallback().

_row

int CameraCullingDemo::_row

protected

在文件 Camera3DTest.h 第 189 行定义.

被这些函数引用 addSpriteCallback() , 以及 delSpriteCallback().

---

该类的文档由以下文件生成:

• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/Camera3DTest/Camera3DTest.h
• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/Camera3DTest/Camera3DTest.cpp