1 /*** 2 * Redistribution and use in source and binary forms, with or without 3 * modification, are permitted provided that the following conditions are 4 * met : 5 * 6 * . Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * 9 * . Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * . The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $Id: PeakHexagonDirectionGroup.java,v 1.1 2005/09/09 18:24:28 mat007 Exp $ 29 */ 30 31 package jtge.util.grid.directiongroup; 32 33 import jtge.util.grid.Coordinate; 34 import jtge.util.grid.GridUtil; 35 36 /*** 37 * An HexagonDirectionGroup to be used with peak hexagon grid. 38 * 39 * @author Jean-Laurent Fabre de Morlhon 40 * @version $Id: PeakHexagonDirectionGroup.java,v 1.1 2005/09/09 18:24:28 mat007 Exp $ 41 */ 42 public class PeakHexagonDirectionGroup extends AbstractPeakHexagonDirectionGroup 43 { 44 /*** 45 * {@inheritDoc} 46 */ 47 protected final boolean shift( final Coordinate coordinate ) 48 { 49 return GridUtil.odd( coordinate.getY() ); 50 } 51 }