From 616b3fedc56bcceb713463e77c5b983ef6446452 Mon Sep 17 00:00:00 2001
From: cnr-isti-vclab <paolo.cignoni@isti.cnr.it>
Date: Mon, 23 Jun 2008 17:28:30 +0000
Subject: [PATCH] Added the class oriented bounding box inherited from box3.h

---
 vcg/space/obox3.h | 73 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 vcg/space/obox3.h

diff --git a/vcg/space/obox3.h b/vcg/space/obox3.h
new file mode 100644
index 00000000..555b8e43
--- /dev/null
+++ b/vcg/space/obox3.h
@@ -0,0 +1,73 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004                                                \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* 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 (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+
+#ifndef __VCGLIB_OBOX3
+#define __VCGLIB_OBOX3
+
+#include <vcg/space/box3.h>
+
+namespace vcg {
+
+	template<class T>
+	class Obox3:public Box3<typename T>{
+
+	public:
+		
+		Matrix44f m;			// a matrix to go in OB space
+		Matrix44f mi;		  // inverse of m: from OB space to World
+
+		/// The bounding box constructor
+		inline  Obox3():Box3<T>(){}
+		/// Copy constructor
+		inline  Obox3(const Obox3 &b):min(b.min),max(b.max),m(b.m),mi(b.mi){}
+		/// Min Max Frame constructor
+		inline Obox3(const Point3<T> &min, const Point3<T> &max, const Point3<T> *frame):Box3<T>(min,max){
+			T v[16];
+			//BaseX:					 BaseY:		 					 BaseZ:								O:
+			v[0]=frame[0].X(); v[1] =frame[1].X(); v[2] =frame[2].X();  v[3] =frame[3].X();			
+			v[4]=frame[0].Y(); v[5] =frame[1].Y(); v[6] =frame[2].Y();  v[7] =frame[3].Y();	
+			v[8]=frame[0].Z(); v[9] =frame[1].Z(); v[10]=frame[2].Z();  v[11]=frame[3].Z();
+			v[12]=0.0;				 v[13]=0.0;					 v[14]=0.0;						v[15]=1;			
+
+			mi=Matrix44f(v);
+			m =Inverse(mi);
+		}
+		//Verifica se un punto appartiene ad un oriented bounding box.
+		bool IsIn( Point3<T> const &p) const{
+			vcg::Point3f mod= m*p;
+			return Box3::IsIn(mod);
+		}
+		/// The bounding box distructor
+		inline ~Obox3(){}
+
+
+	}; // end class definition
+	typedef Obox3<short>  Obox3s;
+	typedef Obox3<int>	  Obox3i;
+	typedef Obox3<float>  Obox3f;
+	typedef Obox3<double> Obox3d;
+
+} // end namespace
+
+
+#endif