(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2006-2008 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 LAND_HEIGHT_MASK) = 0) and

    ((tx and LAND_WIDTH_MASK) = 0) and

    ((Land[ty, tx] = COLOR_LAND) or (Land[ty, tx] = COLOR_OBJECT)) then LandPixels[ty, tx]:= cExplosionBorderColor

end;