Java tutorial
/* * Java Terrain and Stellar System Ports * * Copyright (C) 2006 Martin H. Smith based on work by original * authors. * * Released under the terms of the GNU General Public License * * 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; either version 2 * of the License, or (at your option) any later version. * * 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., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. * * Linking TerraJ statically or dynamically with other modules is making a * combined work based on TerraJ. Thus, the terms and conditions of the * GNU General Public License cover the whole combination. * * In addition, as a special exception, the copyright holders of TerraJ * give you permission to combine this program with free software programs * or libraries that are released under the GNU LGPL and with code included * in the standard release of JOGL, Java Getopt and FreeMarker under the BSD * license (or modified versions of such code, with unchanged license) and with * Apache Commons and Log4J libraries under the Apache license (or modified versions * of such code. You may copy and distribute such a system following the terms * of the GNU GPL for TerraJ and the licenses of the other code concerned, * provided that you include the source code of that other code when and as the * GNU GPL requires distribution of source code. * * Note that people who make modified versions of TerraJ are not obligated to grant * this special exception for their modified versions; it is their choice whether * to do so. The GNU General Public License gives permission to release a modified * version without this exception; this exception also makes it possible to release * a modified version which carries forward this exception. */ /* * TerrainExample.java * * Created on December 29, 2005, 7:05 PM * */ package com.alvermont.terraj.fracplanet; import com.alvermont.terraj.fracplanet.geom.TriangleMeshTerrainFlat; import com.alvermont.terraj.fracplanet.util.DummyProgress; import com.alvermont.terraj.fracplanet.util.Progress; import com.alvermont.terraj.stargen.util.MathUtils; import java.util.Random; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * Example that shows how to use the terrain generator to make a terrain mesh * without having the viewer / Swing / JOGL etc. * * @author martin * @version $Id: TerrainExample.java,v 1.4 2006/07/06 06:58:34 martin Exp $ */ public class TerrainExample { /** * Our logging object */ private static Log log = LogFactory.getLog(TerrainExample.class); /** * Default number of subdivisions */ public static final int DEFAULT_SUBDIVISIONS = 7; // RequireThis OFF: DEFAULT_SUBDIVISIONS // /** * Create Instance of TerrainExample */ protected TerrainExample() { // prevents calls from subclass throw new UnsupportedOperationException(); } /** * The entrypoint to the program * * @param args The command line arguments */ public static void main(final String[] args) { try { // Create the parameters object, a dummy progress object and a // utility object with the correct random seed final TerrainParameters tp = new TerrainParameters(); final Progress p = new DummyProgress(); final MathUtils utils = new MathUtils(new Random(tp.getTerrainSeed())); // set any options you like on the parameters object. These are just // examples tp.setSubdivisions(DEFAULT_SUBDIVISIONS); tp.setOceansAndRiversEmissive(0.0f); // uncomment one of the following lines to generate a flat or // spherical terrain //final TriangleMeshTerrainPlanet terrain = // new TriangleMeshTerrainPlanet(tp, p, utils); final TriangleMeshTerrainFlat terrain = new TriangleMeshTerrainFlat(tp, p, utils); // that's it! it really is that simple } catch (Exception e) { e.printStackTrace(); } } }