float ty = -1;
    ty = ty * time;

    ty = sin(ty);
    glm::mat4 translation = glm::mat4(
        1,0,0,0,
        0,1,0,0,
        0,0,1,0,
        0,ty,0,1);

    // ZADANIE: Wyswietl poruszajacy sie czworokat
    //

    float vertexArray[16] = { -0.5, -.5, 0, 1,
        -0.5, 0.5, 0, 1,
        0.5, 0.5, 0, 1,
        0.5, -0.5, 0, 1 };

    int indexArray[6] = { 0, 1, 3, 1,
    2, 3 };

    Core::DrawVertexArrayIndexed(vertexArray, indexArray, 6, 4);