greatGathering.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 "greatGathering.h"
00025 
00026 greatGathering::greatGathering(double areaDimension, double speed, NeighborMap *Neighbors, GlobalCoordinator* coordinator, CollisionList* CollisionRect)
00027                :MovementGenerator(areaDimension, speed, Neighbors, coordinator, CollisionRect)
00028 {
00029     if(coordinator->getPeerCount() == 0) {
00030         target.x = uniform(areaDimension / 3, 2 * areaDimension / 3);
00031         target.y = uniform(areaDimension / 3, 2 * areaDimension / 3);
00032         coordinator->increasePositionSize();
00033         coordinator->setPosition(0, target);
00034         coordinator->increasePeerCount();
00035     }
00036     else {
00037         target = coordinator->getPosition(0);
00038     }
00039 }
00040 
00041 void greatGathering::move()
00042 {
00043     flock();
00044     position += direction * speed;
00045     if(testBounds()) {
00046         position += direction * speed * 2;
00047         testBounds();
00048     }
00049 }
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