private void Awake()
{
PRESENTATION.INIT(palette.ToArray(), GL_MAT);
PREZ = new PRESENTATION(new SCREEN_1_WELCOME(), new SCREEN_2_DRAWING(), new SCREEN_3_GRIDS(), new SCREEN_4_GRAPHS(), new SCREEN_5_MORE_FUN(), new SCREEN_EXAMPLE1(), new SCREEN_EXAMPLE2());
}
