torcs - 1.2.2

src/modules/simu/simuv2/SOLID-2.0/src/Encounter.h

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00001 /*
00002   SOLID - Software Library for Interference Detection
00003   Copyright (C) 1997-1998  Gino van den Bergen
00004 
00005   This library is free software; you can redistribute it and/or
00006   modify it under the terms of the GNU Library General Public
00007   License as published by the Free Software Foundation; either
00008   version 2 of the License, or (at your option) any later version.
00009 
00010   This library is distributed in the hope that it will be useful,
00011   but WITHOUT ANY WARRANTY; without even the implied warranty of
00012   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013   Library General Public License for more details.
00014 
00015   You should have received a copy of the GNU Library General Public
00016   License along with this library; if not, write to the Free
00017   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 
00019   Please send remarks, questions and bug reports to gino@win.tue.nl,
00020   or write to:
00021                   Gino van den Bergen
00022                   Department of Mathematics and Computing Science
00023                   Eindhoven University of Technology
00024                   P.O. Box 513, 5600 MB Eindhoven, The Netherlands
00025 */
00026 
00027 #ifndef _ENCOUNTER_H_
00028 #define _ENCOUNTER_H_
00029 
00030 #include <3D/Vector.h>
00031 #include "Object.h"
00032 
00033 typedef const Object *ObjectPtr;
00034 
00035 class Encounter {
00036 public:
00037   ObjectPtr obj1;
00038   ObjectPtr obj2;
00039   Vector sep_axis;
00040   
00041   Encounter(ObjectPtr o1, ObjectPtr o2) {
00042     if (o2->shapePtr->getType() < o1->shapePtr->getType() || 
00043         (o2->shapePtr->getType() == o1->shapePtr->getType() && o2 < o1)) { 
00044       obj1 = o2; 
00045       obj2 = o1; 
00046     }
00047     else { 
00048       obj1 = o1; 
00049       obj2 = o2; 
00050     }
00051     sep_axis.setValue(0, 0, 0);
00052   }
00053 };
00054 
00055 inline bool operator<(const Encounter& x, const Encounter& y) { 
00056   return x.obj1 < y.obj1 || (!(y.obj1 < x.obj1) && x.obj2 < y.obj2); 
00057 }
00058 
00059 #endif

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