MeshRendererTest.cpp

/****************************************************************************
 Copyright (c) 2012 cocos2d-x.org
 Copyright (c) 2013-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axmol.dev/

 Permission is hereby granted, free of charge, to any person obtaining a copy
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#include "MeshRendererTest.h"
#include "DrawNode3D.h"
#include "2d/CameraBackgroundBrush.h"
#include "3d/MeshMaterial.h"
#include "3d/MotionStreak3D.h"

#include "Particle3D/PU/PUParticleSystem3D.h"

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

using namespace ax;

MeshRendererTests::MeshRendererTests()
{
    ADD_TEST_CASE(MeshRendererBasicTest);
    ADD_TEST_CASE(MeshRendererStaticInstancingBasicTest);
    ADD_TEST_CASE(MeshRendererDynamicInstancingBasicTest);
    ADD_TEST_CASE(MeshRendererPreallocatedInstancingBufferTest);
    ADD_TEST_CASE(MeshRendererInstancingStressTest);
    ADD_TEST_CASE(MeshRendererHitTest);
    ADD_TEST_CASE(AsyncLoadMeshRendererTest);
    //    // 3DEffect use custom shader which is not supported on WP8/WinRT yet.
    ADD_TEST_CASE(MeshRendererEffectTest);
    ADD_TEST_CASE(MeshRendererUVAnimationTest);
    ADD_TEST_CASE(MeshRendererFakeShadowTest);
    ADD_TEST_CASE(MeshRendererBasicToonShaderTest);
    ADD_TEST_CASE(MeshRendererLightMapTest);
    ADD_TEST_CASE(MeshRendererWithSkinTest);
    ADD_TEST_CASE(MeshRendererWithSkinOutlineTest);
    ADD_TEST_CASE(Animate3DTest);
    ADD_TEST_CASE(AttachmentTest);
    ADD_TEST_CASE(MeshRendererReskinTest);
    ADD_TEST_CASE(MeshRendererWithOBBPerformanceTest);
    ADD_TEST_CASE(MeshRendererMirrorTest);
    ADD_TEST_CASE(QuaternionTest);
    ADD_TEST_CASE(MeshRendererEmptyTest);
    ADD_TEST_CASE(UseCaseMeshRenderer);
    ADD_TEST_CASE(MeshRendererForceDepthTest);
    ADD_TEST_CASE(MeshRendererCubeMapTest);
    ADD_TEST_CASE(NodeAnimationTest);
    ADD_TEST_CASE(Issue9767);
    ADD_TEST_CASE(MeshRendererClippingTest);
    ADD_TEST_CASE(Animate3DCallbackTest);
    ADD_TEST_CASE(CameraBackgroundClearTest);
    ADD_TEST_CASE(MeshRendererVertexColorTest);
    ADD_TEST_CASE(MotionStreak3DTest);
    ADD_TEST_CASE(MeshRendererPropertyTest);
    ADD_TEST_CASE(MeshRendererNormalMappingTest);
    ADD_TEST_CASE(Issue16155Test);
};

//------------------------------------------------------------------
//
// MeshRendererTestDemo
//
//------------------------------------------------------------------

std::string MeshRendererTestDemo::title() const
{
    return "No title";
}

MeshRendererTestDemo::~MeshRendererTestDemo()
{
    MeshMaterial::releaseCachedMaterial();
}

//------------------------------------------------------------------
//
// MeshRendererForceDepthTest
//
//------------------------------------------------------------------
MeshRendererForceDepthTest::MeshRendererForceDepthTest()
{
    auto orc = ax::MeshRenderer::create("MeshRendererTest/orc.c3b");
    orc->setScale(5);
    orc->setPositionNormalized(Vec2(.5f, .3f));
    orc->setPositionZ(40);
    orc->setRotation3D(Vec3(0.0f, 180.0f, 0.0f));
    orc->setGlobalZOrder(-1);

    addChild(orc);

    auto ship = MeshRenderer::create("MeshRendererTest/boss1.obj");
    ship->setScale(5);
    ship->setTexture("MeshRendererTest/boss.png");
    ship->setPositionNormalized(Vec2(.5f, .5f));
    ship->setRotation3D(Vec3(90.0f, 0.0f, 0.0f));
    ship->setForceDepthWrite(true);

    addChild(ship);
}

std::string MeshRendererForceDepthTest::title() const
{
    return "Force Depth Write Error Test";
}

std::string MeshRendererForceDepthTest::subtitle() const
{
    return "Ship should always appear behind orc";
}

//------------------------------------------------------------------
//
// MeshRendererEmptyTest
//
//------------------------------------------------------------------
MeshRendererEmptyTest::MeshRendererEmptyTest()
{
    auto s = MeshRenderer::create();
    s->setPositionNormalized(Vec2(.5f, .5f));
    auto l = Label::create();
    l->setString("Test");
    s->addChild(l);
    addChild(s);
}

std::string MeshRendererEmptyTest::title() const
{
    return "Testing MeshRenderer Container";
}

std::string MeshRendererEmptyTest::subtitle() const
{
    return "MeshRenderer can act as containers for 2D objects";
}

//------------------------------------------------------------------
//
// MeshRendererBasicTest
//
//------------------------------------------------------------------

MeshRendererBasicTest::MeshRendererBasicTest()
{
    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesEnded = AX_CALLBACK_2(MeshRendererBasicTest::onTouchesEnded, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

    auto s = Director::getInstance()->getWinSize();
    addNewMeshWithCoords(Vec2(s.width / 2, s.height / 2));
}

void MeshRendererBasicTest::addNewMeshWithCoords(Vec2 p)
{
    // int idx = (int)(AXRANDOM_0_1() * 1400.0f / 100.0f);
    // int x = (idx%5) * 85;
    // int y = (idx/5) * 121;

    //    //option 1: load a obj that contain the texture in it
    //    auto mesh = MeshRenderer::create("mesh3dTest/scene01.obj");

    // option 2: load obj and assign the texture
    auto mesh = MeshRenderer::create("MeshRendererTest/boss1.obj");
    mesh->setScale(3.f);
    mesh->setTexture("MeshRendererTest/boss.png");

    //
    // mesh->setEffect(ax::EFFECT_OUTLINE);

    // add to scene
    addChild(mesh);

    mesh->setPosition(Vec2(p.x, p.y));

    ActionInterval* action;
    float random = AXRANDOM_0_1();

    if (random < 0.20)
        action = ScaleBy::create(3, 2);
    else if (random < 0.40)
        action = RotateBy::create(3, 360);
    else if (random < 0.60)
        action = Blink::create(1, 3);
    else if (random < 0.8)
        action = TintBy::create(2, 0, -255, -255);
    else
        action = FadeOut::create(2);
    auto action_back = action->reverse();
    auto seq         = Sequence::create(action, action_back, nullptr);

    mesh->runAction(RepeatForever::create(seq));
}

void MeshRendererBasicTest::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
{
    for (auto&&touch : touches)
    {
        auto location = touch->getLocation();

        addNewMeshWithCoords(location);
    }
}

std::string MeshRendererBasicTest::title() const
{
    return "Testing MeshRenderer";
}

std::string MeshRendererBasicTest::subtitle() const
{
    return "Tap screen to add more meshes";
}

//------------------------------------------------------------------
//
// MeshRendererStaticInstancingBasicTest
//
//------------------------------------------------------------------

MeshRendererStaticInstancingBasicTest::MeshRendererStaticInstancingBasicTest()
{
    auto mesh = MeshRenderer::create("MeshRendererTest/boss1.obj");
    mesh->setScale(3.f);
    mesh->setTexture("MeshRendererTest/boss.png");

    auto& s = Director::getInstance()->getWinSize();
    mesh->setPosition(s.width / 2, s.height / 2);

    mesh->enableInstancing(ax::MeshMaterial::InstanceMaterialType::UNLIT_INSTANCE);
    mesh->setDynamicInstancing(false);  // false by default

    FastRNG r{};

    for (int i = 0; i < 1000; i++)
    {
        auto inst = Node::create();
        inst->setPosition(70 * r.rangef(), 50 * r.rangef());
        inst->setRotation(r.maxf(360));
        mesh->addInstanceChild(inst, false);  // false by default parameter
    }

    mesh->shrinkToFitInstances();

    addChild(mesh);
}

std::string MeshRendererStaticInstancingBasicTest::title() const
{
    return "Testing Static Instancing";
}

std::string MeshRendererStaticInstancingBasicTest::subtitle() const
{
    return "1000 instances of the same mesh";
}

//------------------------------------------------------------------
//
// MeshRendererDynamicInstancingBasicTest
//
//------------------------------------------------------------------

MeshRendererDynamicInstancingBasicTest::MeshRendererDynamicInstancingBasicTest()
{
    auto mesh = MeshRenderer::create("MeshRendererTest/boss1.obj");
    mesh->setScale(3.f);
    mesh->setTexture("MeshRendererTest/boss.png");

    auto& s = Director::getInstance()->getWinSize();
    mesh->setPosition(s.width / 2, s.height / 2);

    mesh->enableInstancing(ax::MeshMaterial::InstanceMaterialType::UNLIT_INSTANCE);
    mesh->setDynamicInstancing(true);

    FastRNG r{};

    for (int i = 0; i < 1000; i++)
    {
        auto inst = Node::create();
        inst->setPosition(70 * r.rangef(), 50 * r.rangef());
        auto rot = RepeatForever::create(RotateBy::create(r.rangef(0.5, 2), Vec3(0, 0, 360)));
        inst->runAction(rot);
        mesh->addInstanceChild(inst, true);
    }

    mesh->shrinkToFitInstances();

    addChild(mesh);
}

std::string MeshRendererDynamicInstancingBasicTest::title() const
{
    return "Testing Dynamic Instancing";
}

std::string MeshRendererDynamicInstancingBasicTest::subtitle() const
{
    return "1000 instances of the same mesh with actions";
}

//------------------------------------------------------------------
//
// MeshRendererPreallocatedInstancingBufferTest
//
//------------------------------------------------------------------

MeshRendererPreallocatedInstancingBufferTest::MeshRendererPreallocatedInstancingBufferTest()
{
    auto mesh = MeshRenderer::create("MeshRendererTest/boss1.obj");
    mesh->setScale(3.f);
    mesh->setTexture("MeshRendererTest/boss.png");

    auto& s = Director::getInstance()->getWinSize();
    mesh->setPosition(s.width / 2, s.height / 2);

    mesh->enableInstancing(ax::MeshMaterial::InstanceMaterialType::UNLIT_INSTANCE, 1000);
    mesh->setDynamicInstancing(true);

    FastRNG r{};

    for (int i = 0; i < 1000; i++)
    {
        auto inst = Node::create();
        inst->setPosition(70 * r.rangef(), 50 * r.rangef());
        auto rot = RepeatForever::create(RotateBy::create(r.rangef(0.5, 2), Vec3(0, 0, 360)));
        inst->runAction(rot);
        mesh->addInstanceChild(inst, true);
    }

    addChild(mesh);
}

std::string MeshRendererPreallocatedInstancingBufferTest::title() const
{
    return "Testing Preallocated Instancing";
}

std::string MeshRendererPreallocatedInstancingBufferTest::subtitle() const
{
    return "1000 instances of the same mesh with actions";
}

//------------------------------------------------------------------
//
// MeshRendererInstancingStressTest
//
//------------------------------------------------------------------

MeshRendererInstancingStressTest::MeshRendererInstancingStressTest()
{
    auto mesh = MeshRenderer::create("MeshRendererTest/boss1.obj");
    mesh->setScale(3.f);
    mesh->setTexture("MeshRendererTest/boss.png");

    auto& s = Director::getInstance()->getWinSize();
    mesh->setPosition(s.width / 2, s.height / 2);

    mesh->enableInstancing(ax::MeshMaterial::InstanceMaterialType::UNLIT_INSTANCE, 10000);
    mesh->setDynamicInstancing(false); // false by default

    FastRNG r{};

    for (int i = 0; i < 10000; i++)
    {
        auto inst = Node::create();
        inst->setPosition(70 * r.rangef(), 50 * r.rangef());
        inst->setRotation(r.maxf(360));
        mesh->addInstanceChild(inst, false);  // false by default parameter
    }

    addChild(mesh);
}

std::string MeshRendererInstancingStressTest::title() const
{
    return "Stress Testing Instancing";
}

std::string MeshRendererInstancingStressTest::subtitle() const
{
    return "10000 instances of the same mesh";
}

//------------------------------------------------------------------
//
// MeshRendererUVAnimationTest
//
//------------------------------------------------------------------

MeshRendererUVAnimationTest::MeshRendererUVAnimationTest()
{
    // the offset use to translating texture
    _cylinder_texture_offset = 0;
    _shining_duration        = 0;
    Size visibleSize         = Director::getInstance()->getVisibleSize();

    // use custom camera
    auto camera = Camera::createPerspective(60, visibleSize.width / visibleSize.height, 0.1f, 200);
    camera->setCameraFlag(CameraFlag::USER1);

    // create cylinder
    auto cylinder = MeshRenderer::create("MeshRendererTest/cylinder.c3b");
    auto mat      = MeshMaterial::createWithFilename("MeshRendererTest/UVAnimation.material");
    _state        = mat->getTechniqueByIndex(0)->getPassByIndex(0)->getProgramState();
    cylinder->setMaterial(mat);

    this->addChild(cylinder);
    this->setCameraMask(2);
    this->addChild(camera);

    // adjust cylinder's position & rotation
    cylinder->setPosition3D(Vec3(0.0f, -15.0f, -50.0f));
    cylinder->setRotation3D(Vec3(-90.0f, 0.0f, 0.0f));

    // the callback function update cylinder's texcoord
    schedule(AX_SCHEDULE_SELECTOR(MeshRendererUVAnimationTest::cylinderUpdate));

#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    _backToForegroundListener = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND, [=](EventCustom*) {
        auto mat = MeshMaterial::createWithFilename("MeshRendererTest/UVAnimation.material");

        cylinder->setMaterial(mat);
        _state = mat->getTechniqueByIndex(0)->getPassByIndex(0)->getProgramState();
    });
    Director::getInstance()->getEventDispatcher()->addEventListenerWithFixedPriority(_backToForegroundListener, -1);
#endif
}

MeshRendererUVAnimationTest::~MeshRendererUVAnimationTest()
{
#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    Director::getInstance()->getEventDispatcher()->removeEventListener(_backToForegroundListener);
#endif
}

std::string MeshRendererUVAnimationTest::title() const
{
    return "Testing UV Animation";
}

std::string MeshRendererUVAnimationTest::subtitle() const
{
    return "";
}

void MeshRendererUVAnimationTest::cylinderUpdate(float dt)
{
    // callback function to update cylinder's texcoord
    static bool fade_in = true;
    _cylinder_texture_offset += 0.3 * dt;
    _cylinder_texture_offset = (_cylinder_texture_offset > 1) ? 0 : _cylinder_texture_offset;
    if (fade_in)
    {
        _shining_duration += 0.5 * dt;
        if (_shining_duration > 1)
            fade_in = false;
    }
    else
    {
        _shining_duration -= 0.5 * dt;
        if (_shining_duration < 0)
            fade_in = true;
    }

    // pass the result to shader
    auto offsetLoc   = _state->getUniformLocation("offset");
    auto durationLoc = _state->getUniformLocation("duration");
    _state->setUniform(offsetLoc, &_cylinder_texture_offset, sizeof(_cylinder_texture_offset));
    _state->setUniform(durationLoc, &_shining_duration, sizeof(_shining_duration));
}

//------------------------------------------------------------------
//
// MeshRendererFakeShadowTest
//
//------------------------------------------------------------------
MeshRendererFakeShadowTest::MeshRendererFakeShadowTest()
{
    Size visibleSize = Director::getInstance()->getVisibleSize();

    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesBegan = AX_CALLBACK_2(MeshRendererFakeShadowTest::onTouchesBegan, this);
    listener->onTouchesMoved = AX_CALLBACK_2(MeshRendererFakeShadowTest::onTouchesMoved, this);
    listener->onTouchesEnded = AX_CALLBACK_2(MeshRendererFakeShadowTest::onTouchesEnded, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

    auto layer = Layer::create();
    addChild(layer, 0);
    // create Camera
    _camera = Camera::createPerspective(60, visibleSize.width / visibleSize.height, 0.1f, 200);
    _camera->setCameraFlag(CameraFlag::USER1);
    _camera->setPosition3D(Vec3(0.0f, 20.0f, 25.0f));
    _camera->setRotation3D(Vec3(-60.0f, 0.0f, 0.0f));

    // create a plane
    _plane = MeshRenderer::create("MeshRendererTest/plane.c3t");
    _plane->setRotation3D(Vec3(90.0f, 0.0f, 0.0f));

    auto mat = MeshMaterial::createWithFilename("MeshRendererTest/FakeShadow.material");
    _state   = mat->getTechniqueByIndex(0)->getPassByIndex(0)->getProgramState();
    _plane->setMaterial(mat);

    auto location  = _state->getUniformLocation("u_model_matrix");
    auto transform = _plane->getNodeToWorldTransform();
    _state->setUniform(location, transform.m, sizeof(transform.m));

    layer->addChild(_plane);

    // create the orc
    _orc = MeshRenderer::create("MeshRendererTest/orc.c3b");
    _orc->setScale(0.2f);
    _orc->setRotation3D(Vec3(0.0f, 180.0f, 0.0f));
    _orc->setPosition3D(Vec3(0.0f, 0.0f, 10.0f));
    _targetPos = _orc->getPosition3D();
    location   = _state->getUniformLocation("u_target_pos");
    _state->setUniform(location, &_targetPos, sizeof(_targetPos));
    layer->addChild(_orc);
    layer->addChild(_camera);
    layer->setCameraMask(2);

    schedule(AX_SCHEDULE_SELECTOR(MeshRendererFakeShadowTest::updateCamera), 0.0f);

#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    _backToForegroundListener = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND, [this](EventCustom*) {
        auto mat = MeshMaterial::createWithFilename("MeshRendererTest/FakeShadow.material");
        _state   = mat->getTechniqueByIndex(0)->getPassByIndex(0)->getProgramState();
        _plane->setMaterial(mat);
        backend::UniformLocation loc = _state->getUniformLocation("u_model_matrix");
        auto trans                   = _plane->getNodeToWorldTransform();
        _state->setUniform(loc, &trans, sizeof(trans));
        loc      = _state->getUniformLocation("u_target_pos");
        auto pos = _orc->getPosition3D();
        _state->setUniform(loc, &pos, sizeof(pos));
    });
    Director::getInstance()->getEventDispatcher()->addEventListenerWithFixedPriority(_backToForegroundListener, -1);
#endif
}

MeshRendererFakeShadowTest::~MeshRendererFakeShadowTest()
{
#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    Director::getInstance()->getEventDispatcher()->removeEventListener(_backToForegroundListener);
#endif
}

std::string MeshRendererFakeShadowTest::title() const
{
    return "fake shadow effect";
}

std::string MeshRendererFakeShadowTest::subtitle() const
{
    return "touch the screen to move around";
}

void MeshRendererFakeShadowTest::Move(ax::Object* sender, int value)
{
    _orc->setPositionX(_orc->getPositionX() + value);
}

void MeshRendererFakeShadowTest::updateCamera(float fDelta)
{
    updateState(fDelta);
    if (isState(_curState, State_Move))
    {
        move3D(fDelta);
        if (isState(_curState, State_Rotate))
        {
            Vec3 curPos = _orc->getPosition3D();

            Vec3 newFaceDir = _targetPos - curPos;
            newFaceDir.y    = 0;
            newFaceDir.normalize();
            Vec3 up;
            _orc->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;
            _orc->setAdditionalTransform(&mat);
        }
    }
}

void MeshRendererFakeShadowTest::move3D(float elapsedTime)
{
    Vec3 curPos     = _orc->getPosition3D();
    Vec3 newFaceDir = _targetPos - curPos;
    newFaceDir.y    = 0.0f;
    newFaceDir.normalize();
    Vec3 offset = newFaceDir * 25.0f * elapsedTime;
    curPos += offset;
    _orc->setPosition3D(curPos);
    offset.x = offset.x;
    offset.z = offset.z;
    // pass the newest orc position
    auto location = _state->getUniformLocation("u_target_pos");
    auto position = _orc->getPosition3D();
    _state->setUniform(location, &position, sizeof(position));
}

void MeshRendererFakeShadowTest::updateState(float elapsedTime)
{
    Vec3 curPos = _orc->getPosition3D();
    Vec3 curFaceDir;
    _orc->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;
    }
}

bool MeshRendererFakeShadowTest::isState(unsigned int state, unsigned int bit) const
{
    return (state & bit) == bit;
}

void MeshRendererFakeShadowTest::onTouchesBegan(const std::vector<Touch*>& touches, ax::Event* event) {}

void MeshRendererFakeShadowTest::onTouchesMoved(const std::vector<Touch*>& touches, ax::Event* event) {}

void MeshRendererFakeShadowTest::onTouchesEnded(const std::vector<Touch*>& touches, ax::Event* event)
{
    for (auto&&item : touches)
    {
        auto touch    = item;
        auto location = touch->getLocationInView();
        if (_camera)
        {
            if (_orc)
            {
                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;
            }
        }
    }
}

//------------------------------------------------------------------
//
// MeshRendererBasicToonShaderTest
//
//------------------------------------------------------------------
MeshRendererBasicToonShaderTest::MeshRendererBasicToonShaderTest()
{
    Size visibleSize = Director::getInstance()->getVisibleSize();
    auto _camera     = Camera::createPerspective(60, visibleSize.width / visibleSize.height, 0.1f, 200);
    _camera->setCameraFlag(CameraFlag::USER1);
    // create a teapot
    auto teapot = MeshRenderer::create("MeshRendererTest/teapot.c3b");
    auto mat    = MeshMaterial::createWithFilename("MeshRendererTest/BasicToon.material");
    _state      = mat->getTechniqueByIndex(0)->getPassByIndex(0)->getProgramState();
    teapot->setMaterial(mat);

    teapot->setPosition3D(Vec3(0.0f, -5.0f, -20.0f));
    teapot->setRotation3D(Vec3(-90.0f, 180.0f, 0.0f));
    auto rotate_action = RotateBy::create(1.5f, Vec3(0.0f, 30.0f, 0.0f));
    teapot->runAction(RepeatForever::create(rotate_action));
    addChild(teapot);
    addChild(_camera);
    setCameraMask(2);
#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    _backToForegroundListener = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND, [=](EventCustom*) {
        auto mat = MeshMaterial::createWithFilename("MeshRendererTest/BasicToon.material");
        _state   = mat->getTechniqueByIndex(0)->getPassByIndex(0)->getProgramState();
        teapot->setMaterial(mat);
    });
    Director::getInstance()->getEventDispatcher()->addEventListenerWithFixedPriority(_backToForegroundListener, -1);
#endif
}

MeshRendererBasicToonShaderTest::~MeshRendererBasicToonShaderTest()
{
#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    Director::getInstance()->getEventDispatcher()->removeEventListener(_backToForegroundListener);
#endif
}

std::string MeshRendererBasicToonShaderTest::title() const
{
    return "basic toon shader test";
}

std::string MeshRendererBasicToonShaderTest::subtitle() const
{
    return " ";
}

//------------------------------------------------------------------
//
// MeshRendererLightMapTest
//
//------------------------------------------------------------------
MeshRendererLightMapTest::MeshRendererLightMapTest()
{
    // the assets are from the OpenVR demo
    // get the visible size.
    Size visibleSize = Director::getInstance()->getVisibleSize();
    _camera          = Camera::createPerspective(60, visibleSize.width / visibleSize.height, 0.1f, 200);
    _camera->setCameraFlag(CameraFlag::USER1);
    _camera->setPosition3D(Vec3(0.0f, 25.0f, 15.0f));
    _camera->setRotation3D(Vec3(-35.0f, 0.0f, 0.0f));
    auto LightMapScene = MeshRenderer::create("MeshRendererTest/LightMapScene.c3b");
    LightMapScene->setScale(0.1f);
    addChild(LightMapScene);
    addChild(_camera);
    setCameraMask(2);

    // add a point light
    auto light = PointLight::create(Vec3(35, 75, -20.5), Color3B(255, 255, 255), 150);
    addChild(light);
    // set the ambient light
    auto ambient = AmbientLight::create(Color3B(55, 55, 55));
    addChild(ambient);

    // create a listener
    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesMoved = AX_CALLBACK_2(MeshRendererLightMapTest::onTouchesMoved, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
}
MeshRendererLightMapTest::~MeshRendererLightMapTest() {}
std::string MeshRendererLightMapTest::title() const
{
    return "light map test";
}

std::string MeshRendererLightMapTest::subtitle() const
{
    return "drag the screen to move around";
}

void MeshRendererLightMapTest::onTouchesMoved(const std::vector<ax::Touch*>& touches, ax::Event* event)
{
    if (touches.size() == 1)
    {
        float delta           = Director::getInstance()->getDeltaTime();
        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 * delta;
        cameraPos += cameraRightDir * newPos.x * delta;
        _camera->setPosition3D(cameraPos);
    }
}

//------------------------------------------------------------------
//
// MeshRendererHitTest
//
//------------------------------------------------------------------
MeshRendererHitTest::MeshRendererHitTest()
{
    auto s = Director::getInstance()->getWinSize();

    auto mesh1 = MeshRenderer::create("MeshRendererTest/boss1.obj");

    mesh1->setScale(4.f);
    mesh1->setTexture("MeshRendererTest/boss.png");
    mesh1->setPosition(Vec2(s.width / 2, s.height / 2));

    // add to scene
    addChild(mesh1);
    mesh1->runAction(RepeatForever::create(RotateBy::create(3.0f, 360.0f)));

    auto mesh2 = MeshRenderer::create("MeshRendererTest/boss1.obj");

    mesh2->setScale(4.f);
    mesh2->setTexture("MeshRendererTest/boss.png");
    mesh2->setPosition(Vec2(s.width / 2, s.height / 2));
    mesh2->setAnchorPoint(Vec2(0.5f, 0.5f));

    // add to scene
    addChild(mesh2);
    mesh2->runAction(RepeatForever::create(RotateBy::create(3.0f, -360.0f)));

    // Make mesh1 touchable
    auto listener1 = EventListenerTouchOneByOne::create();
    listener1->setSwallowTouches(true);

    listener1->onTouchBegan = [](Touch* touch, Event* event) {
        auto target = static_cast<MeshRenderer*>(event->getCurrentTarget());

        Rect rect = target->getBoundingBox();
        if (rect.containsPoint(touch->getLocation()))
        {
            AXLOGD("mesh3d began... x = {}, y = {}", touch->getLocation().x, touch->getLocation().y);
            target->setOpacity(100);
            return true;
        }
        return false;
    };

    listener1->onTouchMoved = [](Touch* touch, Event* event) {
        auto target = static_cast<MeshRenderer*>(event->getCurrentTarget());
        target->setPosition(target->getPosition() + touch->getDelta());
    };

    listener1->onTouchEnded = [=](Touch* touch, Event* event) {
        auto target = static_cast<MeshRenderer*>(event->getCurrentTarget());
        AXLOGD("mesh3d onTouchesEnded.. ");
        target->setOpacity(255);
    };

    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, mesh1);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1->clone(), mesh2);
}

std::string MeshRendererHitTest::title() const
{
    return "Testing MeshRenderer Touch in 2D";
}

std::string MeshRendererHitTest::subtitle() const
{
    return "Tap MeshRenderer and Drag";
}

MeshRendererEffectTest::MeshRendererEffectTest()
{
    auto s = Director::getInstance()->getWinSize();
    addNewMeshWithCoords(Vec2(s.width / 2, s.height / 2));

    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesEnded = AX_CALLBACK_2(MeshRendererEffectTest::onTouchesEnded, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    _backToForegroundListener = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND, [this](EventCustom*) {
        auto material = MeshMaterial::createWithFilename("MeshRendererTest/outline.material");
        material->setTechnique("outline_noneskinned");
        for (auto&&mesh : _meshes)
        {
            mesh->setMaterial(material->clone());
        }
    });
    Director::getInstance()->getEventDispatcher()->addEventListenerWithFixedPriority(_backToForegroundListener, 1);
#endif
}

MeshRendererEffectTest::~MeshRendererEffectTest()
{
#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
    Director::getInstance()->getEventDispatcher()->removeEventListener(_backToForegroundListener);
#endif
}

std::string MeshRendererEffectTest::title() const
{
    return "Testing MeshRenderer";
}
std::string MeshRendererEffectTest::subtitle() const
{
    return "MeshRenderer with effects";
}

void MeshRendererEffectTest::addNewMeshWithCoords(Vec2 p)
{
    // option 2: load obj and assign the texture
    auto mesh   = MeshRenderer::create("MeshRendererTest/boss1.obj");
    auto material = MeshMaterial::createWithFilename("MeshRendererTest/outline.material");
    material->setTechnique("outline_noneskinned");
    mesh->setMaterial(material);
    mesh->setScale(6.f);
    Director::getInstance()->getTextureCache()->removeUnusedTextures();

    // add to scene
    addChild(mesh);

    mesh->setPosition(Vec2(p.x, p.y));

    ActionInterval* action;
    float random = AXRANDOM_0_1();

    if (random < 0.20)
        action = ScaleBy::create(3, 2);
    else if (random < 0.40)
        action = RotateBy::create(3, 360);
    else if (random < 0.60)
        action = Blink::create(1, 3);
    else if (random < 0.8)
        action = TintBy::create(2, 0, -255, -255);
    else
        action = FadeOut::create(2);
    auto action_back = action->reverse();
    auto seq         = Sequence::create(action, action_back, nullptr);

    mesh->runAction(RepeatForever::create(seq));
    _meshes.emplace_back(mesh);
}

void MeshRendererEffectTest::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
{
    for (auto&&touch : touches)
    {
        auto location = touch->getLocation();

        addNewMeshWithCoords(location);
    }
}

AsyncLoadMeshRendererTest::AsyncLoadMeshRendererTest()
{
    _paths.emplace_back("MeshRendererTest/girl.c3b");
    _paths.emplace_back("MeshRendererTest/orc.c3b");
    _paths.emplace_back("MeshRendererTest/ReskinGirl.c3b");
    _paths.emplace_back("MeshRendererTest/axe.c3b");

    TTFConfig ttfConfig("fonts/arial.ttf", 15);
    auto label1 = Label::createWithTTF(ttfConfig, "AsyncLoad MeshRenderer");
    auto item1 =
        MenuItemLabel::create(label1, AX_CALLBACK_1(AsyncLoadMeshRendererTest::menuCallback_asyncLoadMesh, this));