Merge branch 'OctTree' of github.com:teamfisk/TacticalZ into OctTree

src/Engine/Collision/Collision.cpp

@@ -86,10 +86,14 @@ bool RayVsModel(const Ray& ray,
         glm::vec3 m = ray.Origin - v0;
         glm::vec3 MxE1 = glm::cross(m, e1);
         glm::vec3 DxE2 = glm::cross(ray.Direction, e2);
-        float DetInv = 1.0f / glm::dot(e1, DxE2);
+        float DetInv = glm::dot(e1, DxE2);
+        if (std::abs(DetInv) < FLT_EPSILON) {
+            continue;
+        }
+        DetInv = 1.0f / DetInv;
         float u = glm::dot(m, DxE2) * DetInv;
         float v = glm::dot(ray.Direction, MxE1) * DetInv;
-        if (u < 0 && v < 0 && 1 < u + v) {
+        if (u < 0 || v < 0 || 1 < u + v) {
             continue;
         }
         //Here, u and v are positive, u+v <= 1, and if distance is positive - triangle is hit.
@@ -116,7 +120,10 @@ bool RayVsModel(const Ray& ray,
         glm::vec3 m = ray.Origin - v0;
         glm::vec3 MxE1 = glm::cross(m, e1);
         glm::vec3 DxE2 = glm::cross(ray.Direction, e2);
-        float DetInv = 1.0f / glm::dot(e1, DxE2);
+        float DetInv = glm::dot(e1, DxE2);
+        if (std::abs(DetInv) < FLT_EPSILON) {
+            continue;
+        }
         float dist = glm::dot(e2, MxE1) * DetInv;
         if (dist >= outDistance) {
             continue;

src/Tests/CMakeLists.txt

@@ -12,6 +12,7 @@ include_directories(
 )
 
 file(GLOB SOURCE_FILES
+	"*.h"
     "*.cpp"
 )
 

src/Tests/CollisionTest.cpp

@@ -3,11 +3,18 @@
 #include <boost/test/execution_monitor.hpp>
 using boost::unit_test_framework::test_suite;
 using boost::unit_test_framework::test_case;
-#include <Engine\Core\Collision.h>
+#include "Engine\Core\Collision.h"
 #include "Engine/Core/AABB.h"
 #include "Engine/Core/Ray.h"
 #include <stdlib.h>//srand
 #include "Engine/Core/OctTree.h"
+//vs model
+#include <sstream>
+
+//ray vs model
+#include "Engine\Core\ResourceManager.h"
+#include "Engine\Rendering\Model.h"
+#include "Engine\Core\Ray.h"
 
 //vs memleaks
 //#define _CRTDBG_MAP_ALLOC
@@ -87,6 +94,92 @@ BOOST_AUTO_TEST_CASE(collisionTest2)
     BOOST_CHECK(test >= 0);
 }
 
+BOOST_AUTO_TEST_CASE(rayVsModelTest)
+{
+    //simple test
+
+    Ray ray;
+    ray.Origin = glm::vec3(-50, 0, 0);
+    //ray.Direction = glm::vec3(-1, 0, 0);
+    ray.Direction = glm::normalize(glm::vec3(1, 0, 0));
+    //inte model, det kräver renderar grejs tydligen
+    ResourceManager::RegisterType<RawModel>("RawModel");
+    auto unitBox = ResourceManager::Load<RawModel>("Models/Core/UnitBox.obj");
+    BOOST_CHECK(unitBox != nullptr);
+    bool hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices);
+    BOOST_CHECK(hit);
+    ray.Direction = glm::normalize(glm::vec3(-1, 0, 0));
+    hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices);
+    BOOST_CHECK(!hit);
+}
+
+BOOST_AUTO_TEST_CASE(rayVsModelTest2)
+{
+    //advanced test, based on ray vs AABB
+    srand(7676762);
+    Ray ray;
+    AABB someAABB;
+    glm::vec3 minPos;
+    glm::vec3 maxPos;
+    bool z;
+    int test = 0;
+    minPos = glm::vec3(-0.5f, -0.5f, -0.5f);
+    maxPos = glm::vec3(0.5f, 0.5f, 0.5f);
+    someAABB = AABB(minPos, maxPos);
+    ResourceManager::RegisterType<RawModel>("RawModel");
+    auto unitBox = ResourceManager::Load<RawModel>("Models/Core/UnitBox.obj");
+    BOOST_CHECK(unitBox != nullptr);
+
+    for (size_t i = 0; i < 1000000; i++)
+    {
+        ray.Origin.x = rand() % 100;
+        ray.Origin.y = rand() % 100;
+        ray.Origin.z = rand() % 100;
+        ray.Direction.x = rand() % 100;
+        ray.Direction.y = rand() % 100;
+        ray.Direction.z = rand() % 100;
+        ray.Origin /= 100;
+        ray.Origin = glm::vec3(-2, 0, 0);
+        ray.Direction /= 100;
+        ray.Direction = glm::normalize(ray.Direction);
+
+        z = Collision::RayVsAABB(ray, someAABB);
+        if (z) {
+            //hit
+            bool hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices);
+            if (!hit) {
+                hit = hit;
+                glm::vec3 outtttttttt;
+                hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices, outtttttttt);
+                hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices);
+            }
+            else {
+                hit = hit;
+            }
+            BOOST_CHECK(hit);
+        }
+        //
+        bool hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices);
+        if (hit) {
+            //hit
+            z = Collision::RayVsAABB(ray, someAABB);
+            if (!z) {
+                z = z;
+                z = Collision::RayVsAABB(ray, someAABB);
+                glm::vec3 outtttttttt;
+                hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices, outtttttttt);
+                hit = Collision::RayVsModel(ray, unitBox->m_Vertices, unitBox->m_Indices);
+            }
+            else {
+                z = z;
+            }
+            BOOST_CHECK(hit);
+        }
+
+    }
+}
+
+
 BOOST_AUTO_TEST_CASE(octTest)
 {
     glm::vec3 mini = glm::vec3(-1, -1, -1);

src/Tests/OctTreeTest.cpp

@@ -2,21 +2,12 @@
 using boost::unit_test_framework::test_suite;
 using boost::unit_test_framework::test_case;
 #include <stdlib.h>//srand
+
 #include "Engine/Core/OctTree.h"
 #include "Engine/Core/Ray.h"
 #include "OldOctTree.h"
 
-BOOST_AUTO_TEST_SUITE(octTreeTests)
-
-BOOST_AUTO_TEST_CASE(octTreeTest)
-{
-
-}
-
-BOOST_AUTO_TEST_CASE(octTreeTest2)
-{
-
-}
+BOOST_AUTO_TEST_SUITE(octTreeTestsW)
 
 BOOST_AUTO_TEST_CASE(octSameRegionTest)
 {
@@ -167,4 +158,3 @@ BOOST_AUTO_TEST_CASE(octNopPerfTestNoDuplicates)
 }
 
 BOOST_AUTO_TEST_SUITE_END()
-

src/Tests/OctTreeTestAnders.cpp

@@ -0,0 +1,53 @@
+#include <boost/test/unit_test.hpp>
+using boost::unit_test_framework::test_suite;
+using boost::unit_test_framework::test_case;
+#include <stdlib.h>//srand
+
+//#define private public//HACK! Needed for white box testing
+//#include "Engine/Core/OctTree.h"
+//#include "OldOctTree.h"
+//friend class and refactoringIntoNewClass is some extra work and needs to be updated when the original class is updated, and can contain bugs that
+//isnt in the original class
+//Reflection-inspection seems to be only available for C#
+//http://stackoverflow.com/questions/6778496/how-to-do-unit-testing-on-private-members-and-methods-of-c-classes
+//http://stackoverflow.com/questions/3676664/unit-testing-of-private-methods
+
+#include "OctTreeTestGameClass.h"
+
+#define private public//HACK! Needed for white box testing
+#include <Engine\Core\OctTree.h>
+//else we would have to "open up" the octTree class more with get/sets, public methods, etc. which is not good encapsulation-wise
+
+BOOST_AUTO_TEST_SUITE(octTreeTestsA)
+
+BOOST_AUTO_TEST_CASE(octTreeTest)
+{
+    //white box testing
+    //http://softwaretestingfundamentals.com/differences-between-black-box-testing-and-white-box-testing/
+    //http://technologyconversations.com/2013/12/11/black-box-vs-white-box-testing/
+
+    //simple AABB constructor check
+    auto minCorner = glm::vec3(0.0f, 0.0f, 0.0f);
+    auto maxCorner = glm::vec3(1.0f, 1.0f, 1.0f);
+    auto someAABB = AABB(minCorner, maxCorner);
+    BOOST_CHECK(someAABB.MinCorner() == minCorner);
+    BOOST_CHECK(someAABB.MaxCorner() == maxCorner);
+    BOOST_CHECK(someAABB.Center() == 0.5f * (minCorner + maxCorner));
+
+    //simple OctTree constructor check
+    //OctTree someOctTree(someAABB, 5);
+    //BOOST_CHECK(someOctTree.m_Children[0] != nullptr);
+
+    //simple destructor check in the end, just look for memleaks, then it didnt clear the AABB structure
+}
+
+BOOST_AUTO_TEST_CASE(octTreeTest2)
+{
+    //octtree ritningen osv
+    Game game(0, nullptr);
+    while (game.Running()) {
+        game.Tick();
+    }
+}
+
+BOOST_AUTO_TEST_SUITE_END()

src/Tests/OctTreeTestGameClass.cpp

@@ -0,0 +1,172 @@
+#include "OctTreeTestGameClass.h"
+
+Game::Game(int argc, char* argv[]) : someOctTree(AABB(-0.5f*worldSize, 0.5f*worldSize), 2)
+{
+    ResourceManager::RegisterType<ConfigFile>("ConfigFile");
+    ResourceManager::RegisterType<Model>("Model");
+    ResourceManager::RegisterType<Texture>("Texture");
+
+    m_Config = ResourceManager::Load<ConfigFile>("Config.ini");
+    LOG_LEVEL = static_cast<_LOG_LEVEL>(m_Config->Get<int>("Debug.LogLevel", 1));
+
+    // Create the core event broker
+    m_EventBroker = new EventBroker();
+
+    m_RenderQueueFactory = new RenderQueueFactory();
+
+    // Create the renderer
+    m_Renderer = new Renderer();
+    m_Renderer->SetFullscreen(m_Config->Get<bool>("Video.Fullscreen", false));
+    m_Renderer->SetVSYNC(m_Config->Get<bool>("Video.VSYNC", false));
+    m_Renderer->SetResolution(Rectangle(
+        0,
+        0,
+        m_Config->Get<int>("Video.Width", 1280),
+        m_Config->Get<int>("Video.Height", 720)
+        ));
+    m_Renderer->Initialize();
+
+    // Create input manager
+    m_InputManager = new InputManager(m_Renderer->Window(), m_EventBroker);
+
+    // Create the root level GUI frame
+    m_FrameStack = new GUI::Frame(m_EventBroker);
+    m_FrameStack->Width = m_Renderer->Resolution().Width;
+    m_FrameStack->Height = m_Renderer->Resolution().Height;
+
+    // Create a TEST WORLD
+    m_World = new HardcodedTestWorld();
+
+    m_LastTime = glfwGetTime();
+}
+
+Game::~Game()
+{
+    delete m_FrameStack;
+    delete m_EventBroker;
+}
+
+void Game::Tick()
+{
+    double currentTime = glfwGetTime();
+    double dt = currentTime - m_LastTime;
+    m_LastTime = currentTime;
+
+    m_EventBroker->Swap();
+    m_InputManager->Update(dt);
+    m_Renderer->Update(dt);
+    m_EventBroker->Swap();
+
+#define TEST1
+    //this draws the octTree and you can set the cube inside it and see what boxes in the tree that it belongs to
+#ifdef TEST1
+    if (!m_UpdatedOnce) {
+        m_UpdatedOnce = true;
+        m_World->createTestEntitiesTest1();
+    }
+
+    //add/move the trigger box
+    auto pos = m_Renderer->Camera()->Forward() + m_Renderer->Camera()->Position();
+    AABB boxi;
+    boxi.CreateFromCenter(pos, maxPos - minPos);
+    frameCounter++;
+    if (frameCounter > 50) {
+        m_World->someOctTree.ClearDynamicObjects();
+        m_World->someOctTree.AddDynamicObject(boxi);
+        frameCounter = 0;
+    }
+    ComponentWrapper transform = m_World->GetComponent(m_World->anotherBoxTransformId, "Transform");
+    transform["Position"] = boxi.Center();
+
+    //check all children again in the tree if they have a box in them or not, and colormark them if they do
+    //contentboxarna får man ut - inte childboxarna!
+    std::vector<int> boxIndex;
+    boxIndex = m_World->someOctTree.m_Root->childIndicesContainingBox(boxi);
+
+    for (auto& oneLinkedObject : m_World->linkOM)
+    {
+        ComponentWrapper model = m_World->GetComponent(oneLinkedObject.entId, "Model");
+        model["Color"] = glm::vec4(1.0f, 1.0f, 1.0f, 1.0f);
+        if (oneLinkedObject.child->m_DynamicObjIndices.size() != 0) {
+            model["Color"] = glm::vec4(0.0f, 0.0f, 0.0f, 1.0f);
+        }
+
+        //next check if the childIndicesContainingBox method returns the correct boxes
+        //REQUIRED: childIndicesContainingBox must be public to test this!
+        for each (auto someBoxIndex in boxIndex)
+        {
+            glm::vec3 pos = m_World->someOctTree.m_Root->m_Children[someBoxIndex]->m_Box.Center();
+            if (abs(pos.x - oneLinkedObject.posxyz.x) < 0.005f &&
+                abs(pos.y - oneLinkedObject.posxyz.y) < 0.005f &&
+                abs(pos.z - oneLinkedObject.posxyz.z) < 0.005f) {
+                model["Color"] = glm::vec4(0.0f, 1.0f, 0.0f, 1.0f);
+
+            }
+        }
+    }
+    m_RenderQueueFactory->Update(m_World);
+
+    //wireframe
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+#endif
+    //this tests AABB vs AABB collision and AABB vs OctTree with AABB in it
+#ifdef TEST2
+
+    //only add 1 for now...
+    //grey box
+
+    const glm::vec4 redCol = glm::vec4(1, 0.2f, 0, 1);
+    const glm::vec4 greenCol = glm::vec4(0.1f, 1.0f, 0.25f, 1);
+    const glm::vec3 boxSize = 0.1f*glm::vec3(1.0f, 1.0f, 1.0f);
+    AABB aabb;
+    aabb.CreateFromCenter(glm::vec3(0, 2.0f, 0.0f), glm::vec3(1.0f, 1.0f, 1.0f));
+
+    if (m_UpdatedOnce) {
+        //auto test = someOctTree.childIndicesContainingBox(aabb);
+        std::vector<AABB> test2;
+        someOctTree.BoxesInSameRegion(aabb, test2);
+    }
+    if (!m_UpdatedOnce) {
+        m_UpdatedOnce = true;
+        someOctTree.AddStaticObject(aabb);
+        //create the "small red box"
+        m_BoxID = m_World->CreateEntity();
+        ComponentWrapper transform = m_World->AttachComponent(m_BoxID, "Transform");
+        transform["Scale"] = boxSize;
+        ComponentWrapper model = m_World->AttachComponent(m_BoxID, "Model");
+        model["Resource"] = "Models/Core/UnitBox.obj";
+        m_World->createTestEntitiesTest2();
+    }
+
+    //red box
+    AABB redBox;
+    auto boxPos = m_Renderer->Camera()->Position() + 1.2f*m_Renderer->Camera()->Forward();
+    redBox.CreateFromCenter(boxPos, boxSize);
+    ComponentWrapper transform = m_World->GetComponent(m_BoxID, "Transform");
+    transform["Position"] = boxPos;
+    ComponentWrapper model = m_World->GetComponent(m_BoxID, "Model");
+    //this checks AABB vs an AABB in the octTree
+    if (someOctTree.BoxCollides(redBox, AABB())) {
+        //this checks AABB vs AABB
+        //if (Collision::AABBVsAABB(redBox, aabb)) {
+        m_Renderer->Camera()->SetPosition(m_PrevPos);
+        m_Renderer->Camera()->SetOrientation(m_PrevOri);
+        model["Color"] = greenCol;
+    }
+    else {
+        model["Color"] = redCol;
+    }
+
+    m_PrevPos = m_Renderer->Camera()->Position();
+    m_PrevOri = m_Renderer->Camera()->Orientation();
+
+    m_RenderQueueFactory->Update(m_World);
+#endif
+
+    m_Renderer->Draw(m_RenderQueueFactory->RenderQueues());
+
+    m_EventBroker->Swap();
+    m_EventBroker->Clear();
+
+    glfwPollEvents();
+}

src/Tests/OctTreeTestGameClass.h

@@ -0,0 +1,52 @@
+#ifndef Game_h__
+#define Game_h__
+
+#include "Core/ResourceManager.h"
+#include "Core/ConfigFile.h"
+#include "Core/EventBroker.h"
+#include "Rendering/Renderer.h"
+#include "Core/InputManager.h"
+#include "GUI/Frame.h"
+#include "Core/World.h"
+#include "Rendering/RenderQueueFactory.h"
+
+#include "OctTreeTestHardCodedTestWorld.h"
+#include "Core\Collision.h"
+
+
+class Game
+{
+public:
+    Game(int argc, char* argv[]);
+    ~Game();
+
+    bool Running() const { return !glfwWindowShouldClose(m_Renderer->Window()); }
+    void Tick();
+
+private:
+    double m_LastTime;
+    ConfigFile* m_Config = nullptr;
+    EventBroker* m_EventBroker;
+    IRenderer* m_Renderer;
+    InputManager* m_InputManager;
+    GUI::Frame* m_FrameStack;
+    HardcodedTestWorld* m_World;
+    RenderQueueFactory* m_RenderQueueFactory;
+
+    //Test1
+    int frameCounter = 0;
+    glm::vec3 minPos = glm::vec3(0.1f, 0.1f, 0.1f);
+    glm::vec3 maxPos = glm::vec3(0.2f, 0.2f, 0.2f);
+
+    //Test2
+    bool m_UpdatedOnce = false;
+    unsigned int m_BoxID;
+    glm::vec3 m_PrevPos;
+    glm::quat m_PrevOri;
+
+    glm::vec3 worldSize = glm::vec3(50, 50, 50);
+    OctTree someOctTree;
+
+};
+
+#endif

src/Tests/OctTreeTestGameMain.cpp

@@ -0,0 +1,21 @@
+//#define BOOST_TEST_MODULE collTest
+#include <boost/test/unit_test.hpp>
+#include <boost/test/execution_monitor.hpp>
+using boost::unit_test_framework::test_suite;
+using boost::unit_test_framework::test_case;
+#include <Engine\Core\Collision.h>
+#include "Engine/Core/AABB.h"
+#include "Engine/Core/Ray.h"
+#include <stdlib.h>//srand
+#include "Engine/Core/OctTree.h"
+
+//vs memleaks
+//#define _CRTDBG_MAP_ALLOC
+//#include <stdlib.h>
+//#include <crtdbg.h>
+//#define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__)
+//#define new DEBUG_CLIENTBLOCK
+
+BOOST_AUTO_TEST_SUITE(cTest)
+BOOST_AUTO_TEST_SUITE_END()
+

src/Tests/OctTreeTestHardCodedTestWorld.h

@@ -0,0 +1,134 @@
+#include <list>
+#include <tuple>
+#include <boost/any.hpp>
+#include "GLM.h"
+#include "Core/World.h"
+#include "Core/Util/Any.h"
+
+#include <vector>
+//last!
+//#include "OldOctTree.h"
+#define private public
+#include <Engine\Core\OctTree.h>
+
+class HardcodedTestWorld : public World
+{
+public:
+    struct LinkOctTreeAndModel {
+        EntityID entId;
+        OctTree::OctChild* child;
+        glm::vec3 posxyz;
+        LinkOctTreeAndModel(EntityID eId, OctTree::OctChild* ch, glm::vec3 pos)
+        {
+            entId = eId;
+            child = ch;
+            posxyz = pos;
+        }
+    };
+    EntityID anotherBoxTransformId;
+    std::vector<LinkOctTreeAndModel> linkOM;
+    OctTree someOctTree;
+
+    //constructor
+    HardcodedTestWorld()
+        : World()
+        , someOctTree(AABB(glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(1.0f, 1.0f, 1.0f)), 2)
+    {
+        registerTestComponents();
+        //createTestEntities();
+    }
+
+private:
+    void registerTestComponents()
+    {
+        ComponentWrapperFactory f;
+
+
+        f = ComponentWrapperFactory("Test");
+        f.AddProperty("TestInteger", 1337);
+        f.AddProperty("TestFloat", 13.37f);
+        f.AddProperty("TestString", std::string("Carlito"));
+        RegisterComponent(f);
+
+        f = ComponentWrapperFactory("Debug");
+        f.AddProperty("Name", std::string("Unnamed"));
+        RegisterComponent(f);
+
+        f = ComponentWrapperFactory("Transform");
+        f.AddProperty("Position", glm::vec3(0.f, 0.f, 0.f));
+        f.AddProperty("Orientation", glm::quat());
+        f.AddProperty("Scale", glm::vec3(1.f, 1.f, 1.f));
+        RegisterComponent(f);
+
+        f = ComponentWrapperFactory("Model");
+        f.AddProperty("Resource", std::string());
+        f.AddProperty("Color", glm::vec4(1.f, 1.f, 1.f, 1.f));
+        f.AddProperty("Visible", true);
+        RegisterComponent(f);
+    }
+
+    void createTestEntitiesTest1()
+    {
+        World& world = *this;
+        EntityID tempId;
+        //add octTree
+        {
+            //copy of mainbox
+            auto someAABB = AABB(glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(1.0f, 1.0f, 1.0f));
+
+            //draw main box first
+            AddBoxModel(someAABB.Center(), someAABB.HalfSize().x, someOctTree.m_Root, tempId);
+
+            //add anotherbox in octTree
+            auto anotherBox = AABB(glm::vec3(0.1f, 0.1f, 0.1f), glm::vec3(0.2f, 0.2f, 0.2f));
+            //note: have to delete the box in the tree first, since were trying to move the box
+            someOctTree.AddDynamicObject(anotherBox);
+
+            //draw anotherbox and save it in anotherBoxTransformId
+            AddBoxModel(anotherBox.Center(), anotherBox.HalfSize().x, someOctTree.m_Root, anotherBoxTransformId);
+
+            //draw the octTree
+            for (size_t j = 0; j < 8; j++)
+            {
+                AddBoxModel(someOctTree.m_Root->m_Children[j]->m_Box.Center(),
+                    someOctTree.m_Root->m_Children[j]->m_Box.HalfSize().x, someOctTree.m_Root->m_Children[j], tempId);
+
+                auto someChild = someOctTree.m_Root->m_Children[j];
+
+                for (size_t i = 0; i < 8; i++)
+                {
+                    AddBoxModel(someChild->m_Children[i]->m_Box.Center(),
+                        someChild->m_Children[i]->m_Box.HalfSize().x, someChild->m_Children[i], tempId);
+                }
+            }
+        }
+    }//end CreateEnt
+
+    void createTestEntitiesTest2()
+    {
+        World& world = *this;
+
+        EntityID entityCollisionBox = world.CreateEntity();
+        ComponentWrapper transform = world.AttachComponent(entityCollisionBox, "Transform");
+        transform["Position"] = glm::vec3(0.f, 2.f, 0.f);
+        ComponentWrapper model = world.AttachComponent(entityCollisionBox, "Model");
+        model["Resource"] = "Models/Core/UnitBox.obj";
+    }
+
+    void AddBoxModel(const glm::vec3 &center, const float &halfSize, OctTree::OctChild* child, EntityID &outEntityId) {
+        World& world = *this;
+
+        EntityID entityDummyScene = world.CreateEntity();
+        outEntityId = entityDummyScene;
+        ComponentWrapper transform = world.AttachComponent(entityDummyScene, "Transform");
+        transform["Position"] = center;
+        transform["Scale"] = glm::vec3(1.0f, 1.0f, 1.0f)*halfSize*2.0f*0.97f;
+        ComponentWrapper model = world.AttachComponent(entityDummyScene, "Model");
+        model["Resource"] = "Models/Core/UnitBox.obj";
+        model["Color"] = glm::vec4(0.0f, 0.0f, 0.0f, 1.0f);
+        if (child->m_DynamicObjIndices.size() != 0)
+            model["Color"] = glm::vec4(1.0f, 1.0f, 1.0f, 1.0f);
+
+        linkOM.emplace_back(entityDummyScene, child, center);
+    }
+};