axmol/tests/cpp-tests/Classes/BillBoardTest/BillBoardTest.cpp

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 Copyright (c) 2013-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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#include "BillBoardTest.h"
#include "3d/CCBillBoard.h"

#include <algorithm>
#include "../testResource.h"

USING_NS_CC;
USING_NS_CC_EXT;
using namespace cocos2d::ui;

BillBoardTests::BillBoardTests()
{
    ADD_TEST_CASE(BillBoardRotationTest);
    ADD_TEST_CASE(BillBoardTest);
}

//------------------------------------------------------------------
//
// Billboard Rotation Test
//
//------------------------------------------------------------------
BillBoardRotationTest::BillBoardRotationTest()
{
    auto root = Sprite3D::create();
    root->setPositionNormalized(Vec2(0.5f, 0.25f));
    addChild(root);

    auto model = Sprite3D::create("Sprite3DTest/orc.c3b");
    model->setScale(5);
    model->setRotation3D(Vec3(0.0f, 180.0f, 0.0f));
    root->addChild(model);

    auto bill = BillBoard::create();
    bill->setPosition(0, 120);
    root->addChild(bill);

    auto sp = Sprite::create("Images/SpookyPeas.png");
    sp->setScale(2);
    bill->addChild(sp);

    auto lbl = Label::create();
    lbl->setPosition(0.0f, 30.0f);
    lbl->setString("+100");
    bill->addChild(lbl);

    auto r  = RotateBy::create(10, Vec3(0.0f, 360.0f, 0.0f));
    auto rp = RepeatForever::create(r);
    root->runAction(rp);

    auto jump  = JumpBy::create(1, Vec2(0.0f, 0.0f), 30, 1);
    auto scale = ScaleBy::create(2.f, 2.f, 2.f, 0.1f);
    auto seq   = Sequence::create(jump, scale, NULL);

    auto rot = RotateBy::create(2, Vec3(-90.0f, 0.0f, 0.0f));
    auto act = Spawn::create(seq, rot, NULL);

    auto scale2 = scale->reverse();
    auto rot2   = rot->reverse();
    auto act2   = Spawn::create(scale2, rot2, NULL);

    auto seq2   = Sequence::create(act, act2, NULL);
    auto repeat = RepeatForever::create(seq2);
    model->runAction(repeat);
}

BillBoardRotationTest::~BillBoardRotationTest() {}

std::string BillBoardRotationTest::title() const
{
    return "Rotation Test";
}

std::string BillBoardRotationTest::subtitle() const
{
    return "All the sprites should still facing camera";
}

//------------------------------------------------------------------
//
// Billboard Rendering Test
//
//------------------------------------------------------------------
BillBoardTest::BillBoardTest() : _camera(nullptr)
{
    // Create touch listener
    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesMoved = CC_CALLBACK_2(BillBoardTest::onTouchesMoved, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

    auto layer3D = Layer::create();
    addChild(layer3D, 0);
    _layerBillBoard = layer3D;
    auto s          = Director::getInstance()->getWinSize();
    if (_camera == nullptr)
    {
        _camera = Camera::createPerspective(60, (float)s.width / s.height, 1, 500);
        _camera->setCameraFlag(CameraFlag::USER1);
        _layerBillBoard->addChild(_camera);
    }

    // Create rotating billboards
    std::string imgs[3] = {"Images/Icon.png", "Images/r2.png"};
    for (unsigned int i = 0; i < 4; ++i)
    {
        Layer* layer   = Layer::create();
        auto billboard = BillBoard::create(imgs[(unsigned int)(CCRANDOM_0_1() * 1 + 0.5f)]);
        billboard->setScale(0.5f);
        billboard->setPosition3D(Vec3(0.0f, 0.0f, CCRANDOM_MINUS1_1() * 150.0f));
        billboard->setOpacity(static_cast<uint8_t>(CCRANDOM_0_1() * 128 + 128));
        _billboards.push_back(billboard);
        layer->addChild(billboard);
        _layerBillBoard->addChild(layer);
        layer->runAction(RepeatForever::create(RotateBy::create(CCRANDOM_0_1() * 10, Vec3(0.0f, 45.0f, 0.0f))));
    }

    {
        auto billboard = BillBoard::create("Images/Icon.png");
        billboard->setScale(0.2f);
        billboard->setPosition3D(Vec3(0.0f, 30.0f, 0.0f));

        auto billboard2 = BillBoard::create("Images/r2.png");
        billboard2->setPosition3D(Vec3(0.0f, 0.0f, 100.0f));
        billboard->addChild(billboard2);
        _billboards.push_back(billboard);
        _billboards.push_back(billboard2);

        auto sprite3d = Sprite3D::create("Sprite3DTest/orc.c3t");
        sprite3d->setScale(2.0f);
        sprite3d->addChild(billboard);
        sprite3d->runAction(RepeatForever::create(RotateBy::create(10.0f, Vec3(0.0f, 360.0f, 0.0f))));
        _layerBillBoard->addChild(sprite3d);
    }

    addNewBillBoardWithCoords(Vec3(20.0f, 5.0f, 0.0f));
    addNewBillBoardWithCoords(Vec3(60.0f, 5.0f, 0.0f));
    addNewBillBoardWithCoords(Vec3(100.0f, 5.0f, 0.0f));
    addNewBillBoardWithCoords(Vec3(140.0f, 5.0f, 0.0f));
    addNewBillBoardWithCoords(Vec3(180.0f, 5.0f, 0.0f));

    addNewAniBillBoardWithCoords(Vec3(-20.0f, 0.0f, 0.0f));
    addNewAniBillBoardWithCoords(Vec3(-60.0f, 0.0f, 0.0f));
    addNewAniBillBoardWithCoords(Vec3(-100.0f, 0.0f, 0.0f));
    addNewAniBillBoardWithCoords(Vec3(-140.0f, 0.0f, 0.0f));
    addNewAniBillBoardWithCoords(Vec3(-180.0f, 0.0f, 0.0f));

    _camera->setPosition3D(Vec3(0.0f, 100.0f, 230.0f));
    _camera->lookAt(Vec3(0, 0, 0), Vec3(0.0f, 1.0f, 0.0f));

    TTFConfig ttfConfig("fonts/arial.ttf", 16);
    auto label1    = Label::createWithTTF(ttfConfig, "rotate+");
    auto menuItem1 = MenuItemLabel::create(label1, CC_CALLBACK_1(BillBoardTest::rotateCameraCallback, this, 10));
    auto label2    = Label::createWithTTF(ttfConfig, "rotate-");
    auto menuItem2 = MenuItemLabel::create(label2, CC_CALLBACK_1(BillBoardTest::rotateCameraCallback, this, -10));
    auto menu      = Menu::create(menuItem1, menuItem2, nullptr);
    menu->setPosition(Vec2::ZERO);
    menuItem1->setPosition(Vec2(s.width - 80, VisibleRect::top().y - 160));
    menuItem2->setPosition(Vec2(s.width - 80, VisibleRect::top().y - 190));
    addChild(menu, 0);
    _layerBillBoard->setCameraMask(2);

    label1    = Label::createWithTTF(ttfConfig, "Point Oriented");
    menuItem1 = MenuItemLabel::create(label1, CC_CALLBACK_1(BillBoardTest::menuCallback_orientedPoint, this));
    label2    = Label::createWithTTF(ttfConfig, "Plane Oriented");
    menuItem2 = MenuItemLabel::create(label2, CC_CALLBACK_1(BillBoardTest::menuCallback_orientedPlane, this));
    menuItem1->setPosition(Vec2(s.width - 80, VisibleRect::top().y - 100));
    menuItem2->setPosition(Vec2(s.width - 80, VisibleRect::top().y - 130));

    menu = Menu::create(menuItem1, menuItem2, nullptr);
    menu->setPosition(Vec2(0, 0));
    this->addChild(menu, 10);
    menuCallback_orientedPoint(nullptr);

    schedule(CC_SCHEDULE_SELECTOR(BillBoardTest::update));
}

void BillBoardTest::menuCallback_orientedPoint(Ref* sender)
{
    for (auto& billboard : _billboards)
    {
        billboard->setMode(BillBoard::Mode::VIEW_POINT_ORIENTED);
    }
}

void BillBoardTest::menuCallback_orientedPlane(Ref* sender)
{
    for (auto& billboard : _billboards)
    {
        billboard->setMode(BillBoard::Mode::VIEW_PLANE_ORIENTED);
    }
}

BillBoardTest::~BillBoardTest()
{
    if (_camera)
    {
        _camera = nullptr;
    }
}
std::string BillBoardTest::title() const
{
    return "BillBoard Test";
}
std::string BillBoardTest::subtitle() const
{
    return "";
}
void BillBoardTest::addNewBillBoardWithCoords(Vec3 p)
{
    std::string imgs[3] = {"Images/Icon.png", "Images/r2.png"};
    for (unsigned int i = 0; i < 10; ++i)
    {
        auto billboard = BillBoard::create(imgs[(unsigned int)(CCRANDOM_0_1() * 1 + 0.5f)]);
        billboard->setScale(0.5f);
        billboard->setPosition3D(Vec3(p.x, p.y, -150.0f + 30 * i));
        billboard->setOpacity(static_cast<uint8_t>(CCRANDOM_0_1() * 128 + 128));

        _layerBillBoard->addChild(billboard);
        _billboards.push_back(billboard);
    }
}
void BillBoardTest::addNewAniBillBoardWithCoords(Vec3 p)
{
    for (unsigned int i = 0; i < 10; ++i)
    {
        auto billboardAni = BillBoard::create("Images/grossini.png");
        billboardAni->setScale(0.5f);
        billboardAni->setPosition3D(Vec3(p.x, p.y, -150.0f + 30 * i));
        _layerBillBoard->addChild(billboardAni);

        auto animation = Animation::create();
        for (int i = 1; i < 15; i++)
        {
            char szName1[100] = {0};
            sprintf(szName1, "Images/grossini_dance_%02d.png", i);
            animation->addSpriteFrameWithFile(szName1);
        }
        // should last 2.8 seconds. And there are 14 frames.
        animation->setDelayPerUnit(2.8f / 14.0f);
        animation->setRestoreOriginalFrame(true);

        auto action = Animate::create(animation);
        billboardAni->runAction(RepeatForever::create(action));
        billboardAni->setOpacity(static_cast<uint8_t>(CCRANDOM_0_1() * 128 + 128));
        _billboards.push_back(billboardAni);
    }
}
void BillBoardTest::update(float dt) {}

void BillBoardTest::onTouchesMoved(const std::vector<Touch*>& touches, Event* event)
{
    if (touches.size() == 1)
    {
        auto touch            = touches[0];
        auto location         = touch->getLocation();
        auto PreviousLocation = touch->getPreviousLocation();
        Point newPos          = PreviousLocation - location;

        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 * 0.5;
        cameraPos += cameraRightDir * newPos.x * 0.5;
        _camera->setPosition3D(cameraPos);
    }
}

void BillBoardTest::rotateCameraCallback(Ref* sender, float value)
{
    Vec3 rotation3D = _camera->getRotation3D();
    rotation3D.y += value;
    _camera->setRotation3D(rotation3D);
}