t1 = high_resolution_clock::now();
        for (int i = 0; i < chunks.size(); i++) {
            if (glm::distance(chunks[i].trans.GetPos(), cam.GetPosition()) < 400)
                chunks[i].draw_chunk(cam);
        }
        t2 = high_resolution_clock::now();
        duration = duration_cast<microseconds>(t2 - t1).count();
        std::cout << "Time in chunk drawing: " << duration / 1000000 << "s \n";