randomRoaming.cc

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00001 //
00002 // Copyright (C) 2006 Institut fuer Telematik, Universitaet Karlsruhe (TH)
00003 //
00004 // This program is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU General Public License
00006 // as published by the Free Software Foundation; either version 2
00007 // of the License, or (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00017 //
00018 
00024 #include "randomRoaming.h"
00025 
00026 randomRoaming::randomRoaming(double areaDimension, double speed, NeighborMap *Neighbors, GlobalCoordinator* coordinator, CollisionList* CollisionRect)
00027               :MovementGenerator(areaDimension, speed, Neighbors, coordinator, CollisionRect)
00028 {
00029     target.x = uniform(0.0, areaDimension);
00030     target.y = uniform(0.0, areaDimension);
00031 }
00032 
00033 void randomRoaming::move()
00034 {
00035     flock();
00036     position += direction * speed;
00037     if(testBounds()) {
00038         position += direction * speed * 2;
00039         testBounds();
00040     }
00041 
00042     if(target.distanceSqr(position) < speed * speed) {
00043         target.x = uniform(0.0, areaDimension);
00044         target.y = uniform(0.0, areaDimension);
00045     }
00046 }
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