#include "SDL.h"
#include "SDL_opengl.h"
#include <iostream>


using namespace std;





int main (int argc, char* args[])
{

    SDL_Init(SDL_INIT_EVERYTHING);

    //openGL memoria hasznalat
    SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 32);
    SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);

    SDL_WM_SetCaption("progid_neve", NULL);
    SDL_SetVideoMode(1080,720,32, SDL_OPENGL);

    glClearColor(1,1,1,1);
    glViewport(0,0,1080,720);
    glShadeModel(GL_SMOOTH);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glDisable(GL_DEPTH_TEST);

    SDL_Event event; //SDL esemény létrehozása


    bool isRunning = true;


    while (isRunning)  /amig fut
    {



        //EVENTS

        while (SDL_PollEvent (&event))
        {
            if (event.type == SDL_QUIT)
                isRunning = false;
            if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_ESCAPE)
                isRunning = false;
        }





        //LOGIC






        //RENDERING to screen


        glClear(GL_COLOR_BUFFER_BIT);
        glPushMatrix();
            glOrtho(0,1080,720,0,-1,1);

        glBegin(GL_QUADS);    // négyszög rajzolás
        glVertex2f(20,20);
        glVertex2f(500,20);   //koordináták megadása (2dimenzios rendszerben)
        glVertex2f(500,500);
        glVertex2f(20,500);
        glEnd();

        glPopMatrix();

        SDL_GL_SwapBuffers(); //buffer visszaállítás

    }  //isRunning
}