Hi!

I have a great problem. I have the principal class Engine.cpp with glutMainLoop(). Too I have the class PhysicsActor with the method GetPosition where occur a segmentation fault. Well, the principal problem is...That I don´t call the PhysicsActor->getPosition method in the program that at no time! When I debug from the line where I create the PhysicActor I discover that glutMainLoop() call to the method PhysicObject->getPosition() automatically, and immediately crash, without entering in PhysicObject->getPosition() method;

The code:

Engine.cpp

Engine::Engine(int argc, char* argv[])
{
    //ctor
    Initialize(argc, argv);
    glutMainLoop();  // it calls PhysicsActor->getPosition();
    exit(EXIT_SUCCESS);
}

//Destructor
Engine::~Engine()
{
    //dtor
}

void Engine::Initialize(int argc, char* argv[])
{
    using std::cout;
    using std::endl;
    GLenum GlewInitResult;

    InitWindow(argc, argv);

    glewExperimental = GL_TRUE;
    GlewInitResult = glewInit();

    if(GLEW_OK != GlewInitResult)
    {
        cout<<"ERROR: "<<glewGetErrorString(GlewInitResult);
        exit(EXIT_FAILURE);
    }

    std::cout<<"INFO: OpenGL Version: " << glGetString(GL_VERSION) <<std::endl;
/*
    if(GL_VERSION_1_1)  //7938 = OpenGL 1.1.0
    {
        ExitOnError("ERROR: Version de OpenGL incompatible. Actualiza tus drivers");
    }*/
    glGetError();
    glClearColor(.0f, .0f, .0f, .0f);

    glEnable(GL_DEPTH_TEST);
    glDepthFunc(GL_LESS);
    ExitOnGLError("ERROR: No se puede establecer las opciones de testeo de profundidad");

    glEnable(GL_CULL_FACE);
    glCullFace(GL_BACK);
    glFrontFace(GL_CCW);
    ExitOnGLError("ERROR: No se pueden establecer las opciones de culling");

    content.rootDirectory = "D:/Users/Hector Trabajo/Documents/Programacion/OpenGL/GekkoEngine_Newton/data/";

    CreateWorld();

}
void Engine::CreateWorld(void)
{
    GameScreen *gs1 = new GameScreen("hola");
    PushGameScreen(gs1);


    Physics *phy = new Physics();
    gs1->AddComponent(phy);


    Camera *cam = new Camera();
    gs1->AddComponent(cam);
    cam->setPosition(glm::vec3(0.0, 2.0, 4.0));


    Cube *cb = new Cube();
    gs1->AddComponent(cb);
    cb->setPosition(glm::vec3(1.2f));
    cb->setScale(glm::vec3(.2f));


    PhysicCube *pc = new PhysicCube();
    gs1->AddComponent(pc)


}

PhysicsActor.cpp

glm::vec3 PhysicsActor::getPosition(void)
{
    if (physicObject != NULL)
    {
        return physicObject->getPosition();  // Segmentation fault here, without entering in physicObject->getPosition() method 

    }else{
        return glm::vec3(0.0f);
    }
}

Can anybody help me?

Thanks for the answers. I found the problem. I call indirecty the method getPosition() from the method Actor::Draw() ( Actor was the father class)

Sorry for the inconveniences