class Ground
{
  int xrep,zrep,tiles,xsize,zsize;
  
  Ground(int tile, int xs, int zs)
  {
   
    tiles = tile;
    xsize = xs;
    zsize = zs;
    int ox = -100;
    int oz = -100;
  }
  
  void display()
  {
    pushMatrix();
    translate(0,.2,1);
   rotateX(PI/2);
    int ox = -tiles*xsize/2;
    int oz = -tiles*zsize/2;
    for(int j = 0; j < tiles; j++)
    {
      ox = -tiles*xsize/2;
      for(int i = 0; i < tiles; i++)
      {
      stroke(125);
      
        rect(ox,oz,xsize,zsize);
        ox+=xsize;
      }
      ox = -100;
      oz+=zsize;
    }
    popMatrix();
  }
}