(*

 * Hedgewars, a worms-like game

 * Copyright (c) 2006-2007 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; version 2 of the License

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 *)

        begin

        X:= X + dX;

        Y:= Y + dY;

        tx:= hwRound(X);

        ty:= hwRound(Y);

        if ((ty and $FFFFFC00) = 0) and

           ((tx and $FFFFF800) = 0) and

           (Land[ty, tx] = $FFFFFF) then SetLandPixel(ty, tx)

	end;