/
Camera3DTest.cpp
1562 lines (1369 loc) · 52.1 KB
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Camera3DTest.cpp
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/****************************************************************************
Copyright (c) 2012 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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 "Camera3DTest.h"
#include "testResource.h"
#include "ui/UISlider.h"
USING_NS_CC;
enum
{
IDC_NEXT = 100,
IDC_BACK,
IDC_RESTART
};
Camera3DTests::Camera3DTests()
{
ADD_TEST_CASE(CameraRotationTest);
ADD_TEST_CASE(Camera3DTestDemo);
ADD_TEST_CASE(CameraCullingDemo);
ADD_TEST_CASE(FogTestDemo);
ADD_TEST_CASE(CameraArcBallDemo);
ADD_TEST_CASE(CameraFrameBufferTest);
ADD_TEST_CASE(BackgroundColorBrushTest);
}
//------------------------------------------------------------------
//
// Camera Rotation Test
//
//------------------------------------------------------------------
CameraRotationTest::CameraRotationTest()
{
auto s = Director::getInstance()->getWinSize();
_camControlNode = Node::create();
_camControlNode->setPositionNormalized(Vec2(.5,.5));
addChild(_camControlNode);
_camNode = Node::create();
_camNode->setPositionZ(Camera::getDefaultCamera()->getPosition3D().z);
_camControlNode->addChild(_camNode);
auto sp3d = Sprite3D::create();
sp3d->setPosition(s.width/2, s.height/2);
addChild(sp3d);
auto lship = Label::create();
lship->setString("Ship");
lship->setPosition(0, 20);
sp3d->addChild(lship);
//Billboards
//Yellow is at the back
bill1 = BillBoard::create("Images/Icon.png");
bill1->setPosition3D(Vec3(50, 10, -10));
bill1->setColor(Color3B::YELLOW);
bill1->setScale(0.6f);
sp3d->addChild(bill1);
l1 = Label::create();
l1->setPosition(Vec2(0,-10));
l1->setString("Billboard1");
l1->setColor(Color3B::WHITE);
l1->setScale(3);
bill1->addChild(l1);
auto p1 = ParticleSystemQuad::create("Particles/SmallSun.plist");
p1->setPosition(30,80);
bill1->addChild(p1);
bill2 = BillBoard::create("Images/Icon.png");
bill2->setPosition3D(Vec3(-50, -10, 10));
bill2->setScale(0.6f);
sp3d->addChild(bill2);
l2 = Label::create();
l2->setString("Billboard2");
l2->setPosition(Vec2(0,-10));
l2->setColor(Color3B::WHITE);
l2->setScale(3);
bill2->addChild(l2);
auto p2 = ParticleSystemQuad::create("Particles/SmallSun.plist");
p2->setPosition(30,80);
bill2->addChild(p2);
//3D models
auto model = Sprite3D::create("Sprite3DTest/boss1.obj");
model->setScale(4);
model->setTexture("Sprite3DTest/boss.png");
model->setPosition3D(Vec3(s.width/2, s.height/2, 0));
addChild(model);
//Listener
_lis = EventListenerTouchOneByOne::create();
_lis->onTouchBegan = [this](Touch* t, Event* e) {
return true;
};
_lis->onTouchMoved = [this](Touch* t, Event* e) {
float dx = t->getDelta().x;
Vec3 rot = _camControlNode->getRotation3D();
rot.y += dx;
_camControlNode->setRotation3D(rot);
Vec3 worldPos;
_camNode->getNodeToWorldTransform().getTranslation(&worldPos);
Camera::getDefaultCamera()->setPosition3D(worldPos);
Camera::getDefaultCamera()->lookAt(_camControlNode->getPosition3D());
};
Director::getInstance()->getEventDispatcher()->addEventListenerWithSceneGraphPriority(_lis, this);
schedule(schedule_selector(CameraRotationTest::update));
}
CameraRotationTest::~CameraRotationTest()
{
Director::getInstance()->getEventDispatcher()->removeEventListener(_lis);
}
std::string CameraRotationTest::title() const
{
return "Camera Rotation Test";
}
std::string CameraRotationTest::subtitle() const
{
return "Slide to rotate";
}
void CameraRotationTest::onEnter()
{
CameraBaseTest::onEnter();
}
void CameraRotationTest::onExit()
{
CameraBaseTest::onExit();
}
void CameraRotationTest::update(float dt)
{
}
//------------------------------------------------------------------
//
// Camera3DTestDemo
//
//------------------------------------------------------------------
Camera3DTestDemo::Camera3DTestDemo(void)
: _incRot(nullptr)
, _decRot(nullptr)
, _camera(nullptr)
, _bZoomOut(false)
, _bZoomIn(false)
, _bRotateLeft(false)
, _bRotateRight(false)
{
}
Camera3DTestDemo::~Camera3DTestDemo(void)
{
}
void Camera3DTestDemo::reachEndCallBack()
{
}
std::string Camera3DTestDemo::title() const
{
return "Testing Camera";
}
void Camera3DTestDemo::scaleCameraCallback(Ref* sender,float value)
{
if(_camera&& _cameraType!=CameraType::FirstPerson)
{
Vec3 cameraPos= _camera->getPosition3D();
cameraPos+= cameraPos.getNormalized()*value;
_camera->setPosition3D(cameraPos);
}
}
void Camera3DTestDemo::rotateCameraCallback(Ref* sender,float value)
{
if(_cameraType==CameraType::Free || _cameraType==CameraType::FirstPerson)
{
Vec3 rotation3D= _camera->getRotation3D();
rotation3D.y+= value;
_camera->setRotation3D(rotation3D);
}
}
void Camera3DTestDemo::SwitchViewCallback(Ref* sender, CameraType cameraType)
{
if(_cameraType==cameraType)
{
return ;
}
_cameraType = cameraType;
if(_cameraType==CameraType::Free)
{
_camera->setPosition3D(Vec3(0, 130, 130) + _sprite3D->getPosition3D());
_camera->lookAt(_sprite3D->getPosition3D());
_RotateRightlabel->setColor(Color3B::WHITE);
_RotateLeftlabel->setColor(Color3B::WHITE);
_ZoomInlabel->setColor(Color3B::WHITE);
_ZoomOutlabel->setColor(Color3B::WHITE);
}
else if(_cameraType==CameraType::FirstPerson)
{
Vec3 newFaceDir;
_sprite3D->getWorldToNodeTransform().getForwardVector(&newFaceDir);
newFaceDir.normalize();
_camera->setPosition3D(Vec3(0,35,0) + _sprite3D->getPosition3D());
_camera->lookAt(_sprite3D->getPosition3D() + newFaceDir*50);
_RotateRightlabel->setColor(Color3B::WHITE);
_RotateLeftlabel->setColor(Color3B::WHITE);
_ZoomInlabel->setColor(Color3B::GRAY);
_ZoomOutlabel->setColor(Color3B::GRAY);
}
else if(_cameraType==CameraType::ThirdPerson)
{
_camera->setPosition3D(Vec3(0, 130, 130) + _sprite3D->getPosition3D());
_camera->lookAt(_sprite3D->getPosition3D());
_RotateRightlabel->setColor(Color3B::GRAY);
_RotateLeftlabel->setColor(Color3B::GRAY);
_ZoomInlabel->setColor(Color3B::WHITE);
_ZoomOutlabel->setColor(Color3B::WHITE);
}
}
void Camera3DTestDemo::onEnter()
{
CameraBaseTest::onEnter();
_sprite3D=nullptr;
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;
_curState=State_None;
addNewSpriteWithCoords( Vec3(0,0,0),"Sprite3DTest/girl.c3b",true,0.2f,true);
TTFConfig ttfConfig("fonts/arial.ttf", 20);
auto containerForLabel1 = Node::create();
_ZoomOutlabel = Label::createWithTTF(ttfConfig,"zoom out");
_ZoomOutlabel->setPosition(s.width-50, VisibleRect::top().y-30);
containerForLabel1->addChild(_ZoomOutlabel);
addChild(containerForLabel1, 10);
auto listener1 = EventListenerTouchOneByOne::create();
listener1->setSwallowTouches(true);
listener1->onTouchBegan = CC_CALLBACK_2(Camera3DTestDemo::onTouchesZoomOut, this);
listener1->onTouchEnded = CC_CALLBACK_2(Camera3DTestDemo::onTouchesZoomOutEnd, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, _ZoomOutlabel);
auto containerForLabel2 = Node::create();
_ZoomInlabel = Label::createWithTTF(ttfConfig,"zoom in");
_ZoomInlabel->setPosition(s.width-50, VisibleRect::top().y-100);
containerForLabel2->addChild(_ZoomInlabel);
addChild(containerForLabel2, 10);
auto listener2 = EventListenerTouchOneByOne::create();
listener2->setSwallowTouches(true);
listener2->onTouchBegan = CC_CALLBACK_2(Camera3DTestDemo::onTouchesZoomIn, this);
listener2->onTouchEnded = CC_CALLBACK_2(Camera3DTestDemo::onTouchesZoomInEnd, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener2, _ZoomInlabel);
auto containerForLabel3 = Node::create();
_RotateLeftlabel = Label::createWithTTF(ttfConfig,"rotate left");
_RotateLeftlabel->setPosition(s.width-50, VisibleRect::top().y-170);
containerForLabel3->addChild(_RotateLeftlabel);
addChild(containerForLabel3, 10);
auto listener3 = EventListenerTouchOneByOne::create();
listener3->setSwallowTouches(true);
listener3->onTouchBegan = CC_CALLBACK_2(Camera3DTestDemo::onTouchesRotateLeft, this);
listener3->onTouchEnded = CC_CALLBACK_2(Camera3DTestDemo::onTouchesRotateLeftEnd, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener3, _RotateLeftlabel);
auto containerForLabel4 = Node::create();
_RotateRightlabel = Label::createWithTTF(ttfConfig,"rotate right");
_RotateRightlabel->setPosition(s.width-50, VisibleRect::top().y-240);
containerForLabel4->addChild(_RotateRightlabel);
addChild(containerForLabel4, 10);
auto listener4 = EventListenerTouchOneByOne::create();
listener4->setSwallowTouches(true);
listener4->onTouchBegan = CC_CALLBACK_2(Camera3DTestDemo::onTouchesRotateRight, this);
listener4->onTouchEnded = CC_CALLBACK_2(Camera3DTestDemo::onTouchesRotateRightEnd, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener4, _RotateRightlabel);
auto label1 = Label::createWithTTF(ttfConfig,"free ");
auto menuItem1 = MenuItemLabel::create(label1, CC_CALLBACK_1(Camera3DTestDemo::SwitchViewCallback,this,CameraType::Free));
auto label2 = Label::createWithTTF(ttfConfig,"third person");
auto menuItem2 = MenuItemLabel::create(label2, CC_CALLBACK_1(Camera3DTestDemo::SwitchViewCallback,this,CameraType::ThirdPerson));
auto label3 = Label::createWithTTF(ttfConfig,"first person");
auto menuItem3 = MenuItemLabel::create(label3, CC_CALLBACK_1(Camera3DTestDemo::SwitchViewCallback,this,CameraType::FirstPerson));
auto menu = Menu::create(menuItem1, menuItem2, menuItem3, nullptr);
menu->setPosition(Vec2::ZERO);
menuItem1->setPosition(VisibleRect::left().x+100, VisibleRect::top().y-50);
menuItem2->setPosition(VisibleRect::left().x+100, VisibleRect::top().y -100);
menuItem3->setPosition(VisibleRect::left().x+100, VisibleRect::top().y -150);
addChild(menu, 0);
schedule(CC_SCHEDULE_SELECTOR(Camera3DTestDemo::updateCamera), 0.0f);
if (_camera == nullptr)
{
_camera=Camera::createPerspective(60, (GLfloat)s.width/s.height, 1, 1000);
_camera->setCameraFlag(CameraFlag::USER1);
_layer3D->addChild(_camera);
}
SwitchViewCallback(this,CameraType::ThirdPerson);
DrawNode3D* line =DrawNode3D::create();
//draw x
for( int j =-20; j<=20 ;j++)
{
line->drawLine(Vec3(-100, 0, 5*j),Vec3(100,0,5*j),Color4F(1,0,0,1));
}
//draw z
for( int j =-20; j<=20 ;j++)
{
line->drawLine(Vec3(5*j, 0, -100),Vec3(5*j,0,100),Color4F(0,0,1,1));
}
//draw y
line->drawLine(Vec3(0, -50, 0),Vec3(0,0,0),Color4F(0,0.5,0,1));
line->drawLine(Vec3(0, 0, 0),Vec3(0,50,0),Color4F(0,1,0,1));
_layer3D->addChild(line);
_layer3D->setCameraMask(2);
}
void Camera3DTestDemo::onExit()
{
CameraBaseTest::onExit();
if (_camera)
{
_camera = nullptr;
}
}
void Camera3DTestDemo::addNewSpriteWithCoords(Vec3 p,std::string fileName,bool playAnimation,float scale,bool bindCamera)
{
auto sprite = Sprite3D::create(fileName);
_layer3D->addChild(sprite);
float globalZOrder=sprite->getGlobalZOrder();
sprite->setPosition3D( Vec3( p.x, p.y,p.z) );
sprite->setGlobalZOrder(globalZOrder);
if(playAnimation)
{
auto animation = Animation3D::create(fileName,"Take 001");
if (animation)
{
auto animate = Animate3D::create(animation);
sprite->runAction(RepeatForever::create(animate));
}
}
if(bindCamera)
{
_sprite3D=sprite;
}
sprite->setScale(scale);
}
void Camera3DTestDemo::onTouchesBegan(const std::vector<Touch*>& touches, cocos2d::Event *event)
{
for ( auto &item: touches )
{
auto touch = item;
auto location = touch->getLocation();
}
}
void Camera3DTestDemo::onTouchesMoved(const std::vector<Touch*>& touches, cocos2d::Event *event)
{
if(touches.size()==1)
{
auto touch = touches[0];
auto location = touch->getLocation();
Point newPos = touch->getPreviousLocation()-location;
if(_cameraType==CameraType::Free || _cameraType==CameraType::FirstPerson)
{
Vec3 cameraDir;
Vec3 cameraRightDir;
_camera->getNodeToWorldTransform().getForwardVector(&cameraDir);
cameraDir.normalize();
cameraDir.y=0;
_camera->getNodeToWorldTransform().getRightVector(&cameraRightDir);
cameraRightDir.normalize();
cameraRightDir.y=0;
Vec3 cameraPos= _camera->getPosition3D();
cameraPos+=cameraDir*newPos.y*0.1f;
cameraPos+=cameraRightDir*newPos.x*0.1f;
_camera->setPosition3D(cameraPos);
if(_sprite3D && _cameraType==CameraType::FirstPerson)
{
_sprite3D->setPosition3D(Vec3(_camera->getPositionX(),0,_camera->getPositionZ()));
_targetPos=_sprite3D->getPosition3D();
}
}
}
}
void Camera3DTestDemo::move3D(float elapsedTime)
{
if(_sprite3D)
{
Vec3 curPos= _sprite3D->getPosition3D();
Vec3 newFaceDir = _targetPos - curPos;
newFaceDir.y = 0.0f;
newFaceDir.normalize();
Vec3 offset = newFaceDir * 25.0f * elapsedTime;
curPos+=offset;
_sprite3D->setPosition3D(curPos);
if(_cameraType==CameraType::ThirdPerson)
{
Vec3 cameraPos= _camera->getPosition3D();
cameraPos.x+=offset.x;
cameraPos.z+=offset.z;
_camera->setPosition3D(cameraPos);
}
}
}
void Camera3DTestDemo::updateState(float elapsedTime)
{
if(_sprite3D)
{
Vec3 curPos= _sprite3D->getPosition3D();
Vec3 curFaceDir;
_sprite3D->getNodeToWorldTransform().getForwardVector(&curFaceDir);
curFaceDir=-curFaceDir;
curFaceDir.normalize();
Vec3 newFaceDir = _targetPos - curPos;
newFaceDir.y = 0.0f;
newFaceDir.normalize();
float cosAngle = std::fabs(Vec3::dot(curFaceDir,newFaceDir) - 1.0f);
float dist = curPos.distanceSquared(_targetPos);
if(dist<=4.0f)
{
if(cosAngle<=0.01f)
_curState = State_Idle;
else
_curState = State_Rotate;
}
else
{
if(cosAngle>0.01f)
_curState = State_Rotate | State_Move;
else
_curState = State_Move;
}
}
}
void Camera3DTestDemo::onTouchesEnded(const std::vector<Touch*>& touches, cocos2d::Event *event)
{
for ( auto &item: touches )
{
auto touch = item;
auto location = touch->getLocationInView();
if(_camera)
{
if(_sprite3D && _cameraType==CameraType::ThirdPerson && _bZoomOut == false && _bZoomIn == false && _bRotateLeft == false && _bRotateRight == false)
{
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
nearP = _camera->unproject(nearP);
farP = _camera->unproject(farP);
Vec3 dir(farP - nearP);
float dist=0.0f;
float ndd = Vec3::dot(Vec3(0,1,0),dir);
if(ndd == 0)
dist=0.0f;
float ndo = Vec3::dot(Vec3(0,1,0),nearP);
dist= (0 - ndo) / ndd;
Vec3 p = nearP + dist * dir;
if( p.x > 100)
p.x = 100;
if( p.x < -100)
p.x = -100;
if( p.z > 100)
p.z = 100;
if( p.z < -100)
p.z = -100;
_targetPos=p;
}
}
}
}
void onTouchesCancelled(const std::vector<Touch*>& touches, cocos2d::Event *event)
{
}
void Camera3DTestDemo::updateCamera(float fDelta)
{
if(_sprite3D)
{
if( _cameraType==CameraType::ThirdPerson)
{
updateState(fDelta);
if(isState(_curState,State_Move))
{
move3D(fDelta);
if(isState(_curState,State_Rotate))
{
Vec3 curPos = _sprite3D->getPosition3D();
Vec3 newFaceDir = _targetPos - curPos;
newFaceDir.y = 0;
newFaceDir.normalize();
Vec3 up;
_sprite3D->getNodeToWorldTransform().getUpVector(&up);
up.normalize();
Vec3 right;
Vec3::cross(-newFaceDir,up,&right);
right.normalize();
Vec3 pos = Vec3(0,0,0);
Mat4 mat;
mat.m[0] = right.x;
mat.m[1] = right.y;
mat.m[2] = right.z;
mat.m[3] = 0.0f;
mat.m[4] = up.x;
mat.m[5] = up.y;
mat.m[6] = up.z;
mat.m[7] = 0.0f;
mat.m[8] = newFaceDir.x;
mat.m[9] = newFaceDir.y;
mat.m[10] = newFaceDir.z;
mat.m[11] = 0.0f;
mat.m[12] = pos.x;
mat.m[13] = pos.y;
mat.m[14] = pos.z;
mat.m[15] = 1.0f;
_sprite3D->setAdditionalTransform(&mat);
}
}
}
if(_bZoomOut == true)
{
if(_camera)
{
if(_cameraType == CameraType::ThirdPerson)
{
Vec3 lookDir = _camera->getPosition3D() - _sprite3D->getPosition3D();
Vec3 cameraPos = _camera->getPosition3D();
if(lookDir.length() <= 300)
{
cameraPos += lookDir.getNormalized();
_camera->setPosition3D(cameraPos);
}
}
else if(_cameraType == CameraType::Free)
{
Vec3 cameraPos = _camera->getPosition3D();
if(cameraPos.length() <= 300)
{
cameraPos += cameraPos.getNormalized();
_camera->setPosition3D(cameraPos);
}
}
}
}
if(_bZoomIn == true)
{
if(_camera)
{
if(_cameraType == CameraType::ThirdPerson)
{
Vec3 lookDir = _camera->getPosition3D() - _sprite3D->getPosition3D();
Vec3 cameraPos = _camera->getPosition3D();
if(lookDir.length() >= 50)
{
cameraPos -= lookDir.getNormalized();
_camera->setPosition3D(cameraPos);
}
}
else if(_cameraType == CameraType::Free)
{
Vec3 cameraPos = _camera->getPosition3D();
if(cameraPos.length() >= 50)
{
cameraPos -= cameraPos.getNormalized();
_camera->setPosition3D(cameraPos);
}
}
}
}
if(_bRotateLeft == true)
{
if(_cameraType==CameraType::Free || _cameraType==CameraType::FirstPerson)
{
Vec3 rotation3D= _camera->getRotation3D();
rotation3D.y+= 1;
_camera->setRotation3D(rotation3D);
}
}
if(_bRotateRight == true)
{
if(_cameraType==CameraType::Free || _cameraType==CameraType::FirstPerson)
{
Vec3 rotation3D= _camera->getRotation3D();
rotation3D.y-= 1;
_camera->setRotation3D(rotation3D);
}
}
}
}
bool Camera3DTestDemo::onTouchesCommon(Touch* touch, Event* event, bool* touchProperty)
{
auto target = static_cast<Label*>(event->getCurrentTarget());
Vec2 locationInNode = target->convertToNodeSpace(touch->getLocation());
Size s = target->getContentSize();
Rect rect = Rect(0, 0, s.width, s.height);
if (rect.containsPoint(locationInNode))
{
*touchProperty = true;
return true;
}
return false;
}
bool Camera3DTestDemo::isState(unsigned int state,unsigned int bit) const
{
return (state & bit) == bit;
}
bool Camera3DTestDemo::onTouchesZoomOut(Touch* touch, Event* event)
{
return Camera3DTestDemo::onTouchesCommon(touch, event, &_bZoomOut);
}
void Camera3DTestDemo::onTouchesZoomOutEnd(Touch* touch, Event* event)
{
_bZoomOut = false;
}
bool Camera3DTestDemo::onTouchesZoomIn(Touch* touch, Event* event)
{
return Camera3DTestDemo::onTouchesCommon(touch, event, &_bZoomIn);
}
void Camera3DTestDemo::onTouchesZoomInEnd(Touch* touch, Event* event)
{
_bZoomIn = false;
}
bool Camera3DTestDemo::onTouchesRotateLeft(Touch* touch, Event* event)
{
return Camera3DTestDemo::onTouchesCommon(touch, event, &_bRotateLeft);
}
void Camera3DTestDemo::onTouchesRotateLeftEnd(Touch* touch, Event* event)
{
_bRotateLeft = false;
}
bool Camera3DTestDemo::onTouchesRotateRight(Touch* touch, Event* event)
{
return Camera3DTestDemo::onTouchesCommon(touch, event, &_bRotateRight);
}
void Camera3DTestDemo::onTouchesRotateRightEnd(Touch* touch, Event* event)
{
_bRotateRight = false;
}
////////////////////////////////////////////////////////////
// CameraCullingDemo
CameraCullingDemo::CameraCullingDemo(void)
: _layer3D(nullptr)
, _cameraType(CameraType::FirstPerson)
, _cameraFirst(nullptr)
, _cameraThird(nullptr)
, _moveAction(nullptr)
, _drawAABB(nullptr)
, _drawFrustum(nullptr)
, _row(3)
{
}
CameraCullingDemo::~CameraCullingDemo(void)
{
}
std::string CameraCullingDemo::title() const
{
return "Camera Frustum Clipping";
}
void CameraCullingDemo::onEnter()
{
CameraBaseTest::onEnter();
schedule(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);
}
void CameraCullingDemo::onExit()
{
CameraBaseTest::onExit();
if (_cameraFirst)
{
_cameraFirst = nullptr;
}
if (_cameraThird)
{
_cameraThird = nullptr;
}
}
void CameraCullingDemo::update(float dt)
{
_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));
}
}
}
void CameraCullingDemo::reachEndCallBack()
{
_cameraFirst->stopActionByTag(100);
auto inverse = MoveTo::create(4.f, Vec2(-_cameraFirst->getPositionX(), 0));
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);
}
void CameraCullingDemo::switchViewCallback(Ref* sender)
{
auto s = Director::getInstance()->getWinSize();
if (_cameraFirst == nullptr)
{
_cameraFirst = Camera::createPerspective(30, (GLfloat)s.width/s.height, 10, 200);
_cameraFirst->setCameraFlag(CameraFlag::USER8);
_cameraFirst->setPosition3D(Vec3(-100,0,0));
_cameraFirst->lookAt(Vec3(1000,0,0));
_moveAction = MoveTo::create(4.f, Vec2(-_cameraFirst->getPositionX(), 0));
_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, (GLfloat)s.width/s.height, 1, 1000);
_cameraThird->setCameraFlag(CameraFlag::USER8);
_cameraThird->setPosition3D(Vec3(0, 130, 130));
_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();
}
}
void CameraCullingDemo::addSpriteCallback(Ref* sender)
{
_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, 0, z * 30));
sprite->setRotation3D(Vec3(0,180,0));
_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);
}
void CameraCullingDemo::delSpriteCallback(Ref* sender)
{
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, 0, z * 30));
_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);
}
void CameraCullingDemo::drawCameraFrustum()
{
_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);
}
////////////////////////////////////////////////////////////
// CameraArcBallDemo
CameraArcBallDemo::CameraArcBallDemo(void)
: CameraBaseTest()
, _layer3D(nullptr)
, _cameraType(CameraType::Free)
, _camera(nullptr)
, _drawGrid(nullptr)
, _radius(1.0f)
, _distanceZ(50.0f)
, _operate(OperateCamType::RotateCamera)
, _center(Vec3(0,0,0))
, _target(0)
, _sprite3D1(nullptr)
, _sprite3D2(nullptr)
{
}
CameraArcBallDemo::~CameraArcBallDemo(void)
{
}