public static void Initialize(int width, int height){
        if(GRASS == null)
            GRASS = new Tile(width, height, true, 0xff45ef45);
        if(WALL == null)
            WALL = new Tile(width, height, false, 0xff121212);
        if(HERO == null)
            HERO = new Tile(width - 4, height - 4, false, 0xffef4545);
    }