anchor.diff:  end;
   
   
  -{Render one terrian cell}
  +//Render single terrian cell
   procedure TRenderTerrain.RenderTile(Index: Byte; pX,pY,Rot: Integer);
   var
     K, I: Integer;
  
positive.code:   end
    else
    begin
      glBegin(GL_QUADS);
        with fTerrain do
        if RENDER_3D then
          for I := fRect.Top to fRect.Bottom do
  
negative.code:   end
    else
    begin
      glBegin(GL_TRIANGLE_FAN);
        with fTerrain do
        if RENDER_3D then
          for I := fRect.Top to fRect.Bottom do
  