stock Test(Float:start_pos_x, Float:start_pos_y, Float:radius, Float:roundness = 1.0)
{
    new Float:x = 0.0,
        Float:y = radius,
        Float:delta = 1.0-2.0*radius,
        Float:error = 0.0,
        Float:x1, Float:y1;

    new Text:TD_line;
    while (y >= 0.0)
    {
        x1 = start_pos_x + x;
        y1 = start_pos_y + y;


        TD_line = TextDrawCreate(x1, y1, "LD_SPAC:white");
        TextDrawFont(TD_line, 4);
        TextDrawTextSize(TD_line, (start_pos_x-x1)*2.0, 1.0);//start_pos_y-y1);
        TextDrawColor(TD_line, -1);
        TextDrawShowForAll(TD_line);

        x1 = start_pos_x - x;
        y1 = start_pos_y - y;

        TD_line = TextDrawCreate(x1, y1, "LD_SPAC:white");
        TextDrawFont(TD_line, 4);
        TextDrawTextSize(TD_line, (start_pos_x-x1)*2.0, 1.0);//start_pos_y-y2);
        TextDrawColor(TD_line, -1);
        TextDrawShowForAll(TD_line);


        error = 2.0 * (delta + y) - 1.0;
        if((delta < 0.0) && (error <= 0.0))
        {
            x+=roundness;
            delta += 2.0 * x + 1.0;
        }
        else if((delta > 0.0) && (error > 0.0))
        {
            y-=roundness;
            delta -= 2.0 * y + 1.0;
        }
        else
        {
            x+=roundness;
            y-=roundness;
            delta += 2.0*(x-y);
        }
    }
    return;
}