/*
     * Метод генерации карты мира
     */

    public function _generate_world() {

        $arr_coords = array();

        $blocks_x = 49;
        $blocks_y = 49;
        $all_blocks = $blocks_x * $blocks_y;

        $def_x = -24;
        $def_y = 24;
        $s = 0;

        $coord_x = NULL;
        $coord_y = NULL;

        $i = 0;
        while($i < $all_blocks) {

            if($s < 49) {
                $coord_x = $def_x + $s;
                $coord_y = $def_y;
                $arr_coords[$coord_x.'&'.$coord_y] = 0;

            }

            else {
                $coord_x = $def_x;
                $coord_y = $def_y = $def_y - 1;
                $arr_coords[$coord_x.'&'.$coord_y] = 0;
                $s = 0;
            }

            $i++;
            $s++;

        }

        $rand_keys = array_rand($arr_coords, 250);

        foreach($rand_keys as $key) {
            $x = rand(0, 100);
            $zone = null;
            if($x > 0 && $x < 60) { $zone = 1; }
            elseif($x > 60 && $x < 85) { $zone = 2;}
            elseif($x > 85 && $x < 95) { $zone = 3;}
            else { $zone = 4; }
            $arr_coords[$key] = $zone;
        }

        $i = 0;
        while($i < 100) {
            foreach($arr_coords as $key => $value) {
                if($value != 0) {
                    $xy_coords = explode('&', $key);
                    $x_coord = $xy_coords[0];
                    $y_coord = $xy_coords[1];
                    $left_coords = ($x_coord - 1) . '&' . $y_coord;
                    $top_coords = $x_coord . '&' . ($y_coord + 1);
                    $right_coords = ($x_coord + 1) . '&' . $y_coord;
                    $bottom_coords = $x_coord . '&' . ($y_coord - 1);

                    if(isset($arr_coords[$left_coords]) && $arr_coords[$left_coords] == 0) { $arr_coords[$left_coords] = $value; }
                    if(isset($arr_coords[$top_coords]) && $arr_coords[$top_coords] == 0) { $arr_coords[$top_coords] = $value; }
                    if(isset($arr_coords[$right_coords]) && $arr_coords[$right_coords] == 0) { $arr_coords[$right_coords] = $value; }
                    if(isset($arr_coords[$bottom_coords]) && $arr_coords[$bottom_coords] == 0) { $arr_coords[$bottom_coords] = $value; }
                }
            }
            $i++;
        }

        foreach($arr_coords as $key => $value) {

            echo '<div style="width: 25px; height: 25px; float: left; border: 1px solid black;';
            if($value == 1) { echo 'background: #00FA9A;">';}
            elseif($value == 2) { echo 'background: green;">';}
            elseif($value == 3) { echo 'background: blue;">';}
            elseif($value == 4) { echo 'background: gray;">';}
            else { echo 'background: #ffffff;">';}

                echo $value;

            echo '</div>';


        }

    }